Mercurial > dive4elements > framework
annotate artifact-database/src/main/java/de/intevation/artifactdatabase/Backend.java @ 437:423c6e6b0cac
Added tag flys-2.9.3 for changeset 15179c77aa1d
author | Sascha L. Teichmann <teichmann@intevation.de> |
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date | Tue, 16 Oct 2012 15:51:33 +0200 |
parents | da33275fb765 |
children | e79ad624f94c |
rev | line source |
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1 /* |
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2 * Copyright (c) 2010, 2011 by Intevation GmbH |
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3 * |
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4 * This program is free software under the LGPL (>=v2.1) |
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5 * Read the file LGPL.txt coming with the software for details |
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6 * or visit http://www.gnu.org/licenses/ if it does not exist. |
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7 */ |
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8 package de.intevation.artifactdatabase; |
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9 |
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10 import de.intevation.artifacts.Artifact; |
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11 import de.intevation.artifacts.ArtifactCollection; |
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12 import de.intevation.artifacts.ArtifactCollectionFactory; |
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13 import de.intevation.artifacts.ArtifactDatabase.ArtifactLoadedCallback; |
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14 import de.intevation.artifacts.ArtifactFactory; |
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15 import de.intevation.artifacts.ArtifactSerializer; |
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16 import de.intevation.artifacts.CollectionItem; |
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17 import de.intevation.artifacts.User; |
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18 import de.intevation.artifacts.UserFactory; |
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19 |
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20 import de.intevation.artifacts.common.utils.StringUtils; |
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21 import de.intevation.artifacts.common.utils.XMLUtils; |
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22 import de.intevation.artifacts.common.utils.LRUCache; |
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23 |
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24 import de.intevation.artifactdatabase.db.SQLExecutor; |
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25 import de.intevation.artifactdatabase.db.SQL; |
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26 |
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27 import java.sql.SQLException; |
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28 import java.sql.Timestamp; |
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29 import java.sql.Types; |
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30 |
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31 import java.util.List; |
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32 import java.util.ArrayList; |
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33 import java.util.Date; |
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34 import java.util.HashMap; |
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35 |
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36 import java.util.concurrent.CopyOnWriteArrayList; |
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37 |
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38 import org.apache.log4j.Logger; |
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39 |
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40 import org.w3c.dom.Document; |
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41 |
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42 /** |
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43 * The backend implements the low level layer used to store artifacts |
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44 * in a SQL database. |
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45 * |
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46 * @author <a href="mailto:sascha.teichmann@intevation.de">Sascha L. Teichmann</a> |
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47 */ |
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48 public class Backend |
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49 implements DatabaseCleaner.ArtifactReviver |
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50 { |
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51 private static Logger logger = Logger.getLogger(Backend.class); |
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52 |
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53 /** |
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54 * The SQL statement to create new artifact id inside the database. |
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55 */ |
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56 public String SQL_NEXT_ID; |
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57 |
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58 /** |
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59 * The SQL statement to insert an artifact into the database. |
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60 */ |
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61 public String SQL_INSERT; |
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62 |
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63 /** |
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64 * The SQL statement to update some columns of an existing |
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65 * artifact in the database. |
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66 */ |
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67 public String SQL_UPDATE; |
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68 |
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69 /** |
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70 * The SQL statement to touch the access time of an |
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71 * artifact inside the database. |
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72 */ |
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73 public String SQL_TOUCH; |
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74 |
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75 /** |
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76 * The SQL statement to load an artifact by a given |
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77 * identifier from the database. |
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78 */ |
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79 public String SQL_LOAD_BY_GID; |
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80 |
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81 /** |
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82 * The SQL statement to get the database id of an artifact |
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83 * identified by the identifier. |
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84 */ |
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85 public String SQL_GET_ID; |
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86 |
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87 /** |
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88 * The SQL statement to replace the content of an |
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89 * existing artifact inside the database. |
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90 */ |
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91 public String SQL_REPLACE; |
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92 |
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93 // USER SQL |
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94 |
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95 public String SQL_USERS_NEXT_ID; |
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96 public String SQL_USERS_INSERT; |
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97 public String SQL_USERS_SELECT_ID_BY_GID; |
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98 public String SQL_USERS_SELECT_GID; |
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99 public String SQL_USERS_SELECT_ACCOUNT; |
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100 public String SQL_USERS_DELETE_ID; |
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101 public String SQL_USERS_DELETE_COLLECTIONS; |
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102 public String SQL_USERS_SELECT_ALL; |
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103 public String SQL_USERS_COLLECTIONS; |
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104 public String SQL_USERS_COLLECTION_IDS; |
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105 public String SQL_USERS_DELETE_ALL_COLLECTIONS; |
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106 public String SQL_ARTIFACTS_IN_ONLY_COLLECTION_ONLY; |
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107 public String SQL_OUTDATE_ARTIFACTS_COLLECTION; |
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108 public String SQL_UPDATE_COLLECTION_TTL; |
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109 public String SQL_UPDATE_COLLECTION_NAME; |
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110 public String SQL_OUTDATE_ARTIFACTS_USER; |
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111 public String SQL_DELETE_USER_COLLECTION_ITEMS; |
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112 public String SQL_COLLECTIONS_NEXT_ID; |
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113 public String SQL_COLLECTIONS_INSERT; |
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114 public String SQL_COLLECTIONS_SELECT_USER; |
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115 public String SQL_COLLECTIONS_SELECT_ALL; |
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116 public String SQL_COLLECTIONS_SELECT_GID; |
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117 public String SQL_COLLECTIONS_CREATION_TIME; |
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118 public String SQL_COLLECTIONS_ID_BY_GID; |
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119 public String SQL_COLLECTIONS_OLDEST_ARTIFACT; |
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120 public String SQL_DELETE_COLLECTION_ITEMS; |
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121 public String SQL_DELETE_COLLECTION; |
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122 public String SQL_COLLECTION_CHECK_ARTIFACT; |
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123 public String SQL_COLLECTION_ITEMS_ID_NEXTVAL; |
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124 public String SQL_COLLECTION_ITEMS_INSERT; |
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125 public String SQL_COLLECTION_GET_ATTRIBUTE; |
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126 public String SQL_COLLECTION_SET_ATTRIBUTE; |
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127 public String SQL_COLLECTION_ITEM_GET_ATTRIBUTE; |
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128 public String SQL_COLLECTION_ITEM_SET_ATTRIBUTE; |
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129 public String SQL_COLLECTIONS_TOUCH_BY_GID; |
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130 public String SQL_COLLECTION_ITEM_ID_CID_AID; |
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131 public String SQL_COLLECTION_ITEM_OUTDATE_ARTIFACT; |
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132 public String SQL_COLLECTION_ITEM_DELETE; |
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133 public String SQL_COLLECTIONS_TOUCH_BY_ID; |
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134 public String SQL_COLLECTION_ITEMS_LIST_GID; |
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135 public String SQL_ALL_ARTIFACTS; |
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136 |
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137 /** The singleton.*/ |
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138 protected static Backend instance; |
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139 |
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140 protected SQLExecutor sqlExecutor; |
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141 |
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142 protected List<BackendListener> listeners; |
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143 |
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144 protected DBConfig config; |
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145 |
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146 /** |
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147 * The database cleaner. Reference is stored here because |
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148 * the cleaner is woken up if the backend finds an outdated |
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149 * artifact. This artifact should be removed as soon as |
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150 * possible. |
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151 */ |
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152 protected DatabaseCleaner cleaner; |
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153 |
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154 /** |
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155 * To revive an artifact from the bytes coming from the database |
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156 * we need the artifact factory which references the artifact |
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157 * serializer which is able to do the reviving job. |
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158 */ |
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159 protected FactoryLookup factoryLookup; |
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160 |
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161 /** |
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162 * Little helper interface to decouple the ArtifactDatabase |
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163 * from the Backend. A ArtifactDatabase should depend on a |
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164 * Backend but a Backend not from an ArtifactDatabase. |
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165 */ |
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166 public interface FactoryLookup { |
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167 |
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168 /** |
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169 * Returns an ArtifactFactory which is bound to a given name. |
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170 * @param factoryName The name of the artifact factory. |
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171 * @return The ArtifactFactory bound to the factory name or |
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172 * null if not matching factory is found. |
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173 */ |
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174 ArtifactFactory getArtifactFactory(String factoryName); |
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175 |
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176 } // interface FactoryLookup |
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177 |
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178 /** |
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179 * Inner class that brigdes between the persisten form of the |
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180 * artifact and the living one inside the artifact database. |
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181 * After the describe(), feed(), advance() and out() operations |
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182 * of the artifact it must be possible to write to modified artifact |
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183 * back into the database. |
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184 */ |
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185 public final class PersistentArtifact |
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186 { |
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187 private int id; |
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188 private Artifact artifact; |
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189 private ArtifactSerializer serializer; |
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190 private Long ttl; |
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191 |
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192 /** |
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193 * Cronstructor to create a persistent artifact. |
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194 * @param artifact The living artifact. |
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195 * @param serializer The serializer to store the artifact |
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196 * after the operations. |
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197 * @param ttl The time to life of the artifact. |
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198 * @param id The database id of the artifact. |
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199 */ |
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200 public PersistentArtifact( |
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201 Artifact artifact, |
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202 ArtifactSerializer serializer, |
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203 Long ttl, |
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204 int id |
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205 ) { |
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206 this.id = id; |
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207 this.artifact = artifact; |
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208 this.serializer = serializer; |
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209 this.ttl = ttl; |
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210 } |
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211 |
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212 public int getId() { |
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213 return id; |
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214 } |
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215 |
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216 /** |
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217 * Returns the wrapped living artifact. |
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218 * @return the living artifact. |
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219 */ |
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220 public Artifact getArtifact() { |
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221 return artifact; |
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222 } |
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223 |
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224 /** |
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225 * Returns the serialized which is able to write a |
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226 * modified artifact back into the database. |
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227 * @return The serializer. |
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228 */ |
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229 public ArtifactSerializer getSerializer() { |
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230 return serializer; |
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231 } |
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232 |
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233 /** |
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234 * The time to life of the artifact. |
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235 * @return The time to live. |
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236 */ |
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237 public Long getTTL() { |
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238 return ttl; |
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239 } |
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240 |
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241 /** |
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242 * Stores the living artifact back into the database. |
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243 */ |
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244 public void store() { |
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245 if (logger.isDebugEnabled()) { |
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246 logger.debug("storing artifact id = " + getId()); |
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247 } |
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248 Backend.this.store(this); |
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249 } |
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250 |
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251 /** |
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252 * Only touches the access time of the artifact. |
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253 */ |
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254 public void touch() { |
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255 if (logger.isDebugEnabled()) { |
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256 logger.debug("touching artifact id = " + getId()); |
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257 } |
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258 Backend.this.touch(this); |
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259 } |
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260 } // class ArtifactWithId |
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261 |
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262 /** |
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263 * Default constructor |
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264 */ |
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265 public Backend() { |
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266 listeners = new CopyOnWriteArrayList<BackendListener>(); |
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267 } |
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268 |
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269 public Backend(DBConfig config) { |
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270 this(); |
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271 this.config = config; |
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272 sqlExecutor = new SQLExecutor(config.getDBConnection()); |
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273 setupSQL(config.getSQL()); |
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274 } |
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275 |
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276 /** |
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277 * Constructor to create a backend with a link to the database cleaner. |
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278 * @param cleaner The clean which periodically removes outdated |
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279 * artifacts from the database. |
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280 */ |
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281 public Backend(DBConfig config, DatabaseCleaner cleaner) { |
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282 this(config); |
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283 this.cleaner = cleaner; |
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284 } |
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285 |
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286 public DBConfig getConfig() { |
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287 return config; |
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288 } |
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289 |
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290 /** |
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291 * Returns the singleton of this Backend. |
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292 * |
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293 * @return the backend. |
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294 */ |
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295 public static synchronized Backend getInstance() { |
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296 if (instance == null) { |
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297 instance = new Backend(DBConfig.getInstance()); |
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298 } |
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299 |
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300 return instance; |
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301 } |
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302 |
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303 protected void setupSQL(SQL sql) { |
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304 SQL_NEXT_ID = sql.get("artifacts.id.nextval"); |
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305 SQL_INSERT = sql.get("artifacts.insert"); |
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306 SQL_UPDATE = sql.get("artifacts.update"); |
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307 SQL_TOUCH = sql.get("artifacts.touch"); |
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308 SQL_LOAD_BY_GID = sql.get("artifacts.select.gid"); |
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309 SQL_GET_ID = sql.get("artifacts.get.id"); |
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310 SQL_REPLACE = sql.get("artifacts.replace"); |
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311 SQL_USERS_NEXT_ID = sql.get("users.id.nextval"); |
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312 SQL_USERS_INSERT = sql.get("users.insert"); |
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313 SQL_USERS_SELECT_ID_BY_GID = sql.get("users.select.id.by.gid"); |
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314 SQL_USERS_SELECT_GID = sql.get("users.select.gid"); |
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315 SQL_USERS_SELECT_ACCOUNT = sql.get("users.select.account"); |
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316 SQL_USERS_DELETE_ID = sql.get("users.delete.id"); |
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317 SQL_USERS_DELETE_COLLECTIONS = sql.get("users.delete.collections"); |
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318 SQL_USERS_SELECT_ALL = sql.get("users.select.all"); |
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319 SQL_USERS_COLLECTIONS = sql.get("users.collections"); |
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320 SQL_USERS_COLLECTION_IDS = sql.get("users.collection.ids"); |
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321 SQL_USERS_DELETE_ALL_COLLECTIONS = |
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322 sql.get("users.delete.collections"); |
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323 SQL_ARTIFACTS_IN_ONLY_COLLECTION_ONLY = |
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324 sql.get("artifacts.in.one.collection.only"); |
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325 SQL_OUTDATE_ARTIFACTS_COLLECTION = |
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326 sql.get("outdate.artifacts.collection"); |
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327 SQL_UPDATE_COLLECTION_TTL = sql.get("collections.update.ttl"); |
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328 SQL_UPDATE_COLLECTION_NAME = sql.get("collections.update.name"); |
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329 SQL_OUTDATE_ARTIFACTS_USER = sql.get("outdate.artifacts.user"); |
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330 SQL_DELETE_USER_COLLECTION_ITEMS = |
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331 sql.get("delete.user.collection.items"); |
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332 SQL_COLLECTIONS_NEXT_ID = sql.get("collections.id.nextval"); |
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333 SQL_COLLECTIONS_INSERT = sql.get("collections.insert"); |
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334 SQL_COLLECTIONS_SELECT_USER = sql.get("collections.select.user"); |
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335 SQL_COLLECTIONS_SELECT_ALL = sql.get("collections.select.all"); |
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336 SQL_COLLECTIONS_SELECT_GID = sql.get("collections.select.by.gid"); |
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337 SQL_COLLECTIONS_CREATION_TIME = sql.get("collection.creation.time"); |
343
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338 SQL_COLLECTIONS_OLDEST_ARTIFACT = sql.get("collections.artifacts.oldest"); |
344
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339 SQL_COLLECTIONS_ID_BY_GID = sql.get("collections.id.by.gid"); |
305
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340 SQL_DELETE_COLLECTION_ITEMS = sql.get("delete.collection.items"); |
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341 SQL_DELETE_COLLECTION = sql.get("delete.collection"); |
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342 SQL_COLLECTION_CHECK_ARTIFACT = sql.get("collection.check.artifact"); |
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343 SQL_COLLECTION_ITEMS_ID_NEXTVAL = |
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344 sql.get("collection.items.id.nextval"); |
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345 SQL_COLLECTION_ITEMS_INSERT = sql.get("collection.items.insert"); |
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346 SQL_COLLECTION_GET_ATTRIBUTE = sql.get("collection.get.attribute"); |
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347 SQL_COLLECTION_SET_ATTRIBUTE = sql.get("collection.set.attribute"); |
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348 SQL_COLLECTION_ITEM_GET_ATTRIBUTE = |
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349 sql.get("collection.item.get.attribute"); |
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350 SQL_COLLECTION_ITEM_SET_ATTRIBUTE = |
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351 sql.get("collection.item.set.attribute"); |
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352 SQL_COLLECTIONS_TOUCH_BY_GID = sql.get("collections.touch.by.gid"); |
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353 SQL_COLLECTION_ITEM_ID_CID_AID = sql.get("collection.item.id.cid.aid"); |
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354 SQL_COLLECTION_ITEM_OUTDATE_ARTIFACT = |
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355 sql.get("collection.item.outdate.artifact"); |
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356 SQL_COLLECTION_ITEM_DELETE = sql.get("collection.item.delete"); |
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357 SQL_COLLECTIONS_TOUCH_BY_ID = sql.get("collections.touch.by.id"); |
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358 SQL_COLLECTION_ITEMS_LIST_GID = sql.get("collection.items.list.gid"); |
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359 SQL_ALL_ARTIFACTS = sql.get("all.artifacts"); |
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360 } |
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361 |
310
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362 public void addListener(BackendListener listener) { |
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363 listeners.add(listener); |
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364 logger.debug("# listeners: " + listeners.size()); |
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365 } |
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366 |
311
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367 public void addAllListeners(List<BackendListener> others) { |
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368 listeners.addAll(others); |
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369 logger.debug("# listeners: " + listeners.size()); |
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370 } |
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371 |
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372 /** |
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373 * Sets the factory lookup mechanism to decouple ArtifactDatabase |
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374 * and Backend. |
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375 * @param factoryLookup |
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376 */ |
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377 public void setFactoryLookup(FactoryLookup factoryLookup) { |
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378 this.factoryLookup = factoryLookup; |
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379 } |
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380 |
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381 /** |
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382 * Sets the database cleaner explicitly. |
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383 * @param cleaner The database cleaner |
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384 */ |
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385 public void setCleaner(DatabaseCleaner cleaner) { |
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386 this.cleaner = cleaner; |
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387 } |
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388 |
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389 /** |
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390 * Returns a new unique identifier to external identify |
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391 * the artifact across the system. This implementation |
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392 * uses random UUIDs v4 to achieve this target. |
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393 * @return the new identifier |
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394 */ |
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395 public String newIdentifier() { |
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396 // TODO: check database for collisions. |
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397 return StringUtils.newUUID(); |
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398 } |
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399 |
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400 public boolean isValidIdentifier(String identifier) { |
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401 return StringUtils.checkUUID(identifier); |
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402 } |
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403 |
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404 /** |
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405 * Stores a new artifact into the database. |
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406 * @param artifact The artifact to be stored |
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407 * @param factory The factory which build the artifact |
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408 * @param ttl The initial time to life of the artifact. |
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409 * @return A persistent wrapper around the living |
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410 * artifact to be able to write modification later. |
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411 * @throws Exception Thrown if something went wrong with the |
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412 * storage process. |
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413 */ |
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414 public PersistentArtifact storeInitially( |
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415 Artifact artifact, |
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416 ArtifactFactory factory, |
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417 Long ttl |
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418 ) |
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419 throws Exception |
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420 { |
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421 return new PersistentArtifact( |
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422 artifact, |
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423 factory.getSerializer(), |
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424 ttl, |
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425 insertDatabase(artifact, factory, ttl)); |
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426 } |
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427 |
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428 /** |
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429 * Stores an artifact into database if it does not exist there. |
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430 * If it exists there it is only updated. |
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431 * @param artifact The artifact to store/update. |
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432 * @param factory The factory which created the artifact. |
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433 * @param ttl The initial time to live of the artifact. |
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434 * @return A persistent version of the artifact to be able |
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435 * to store a modification later. |
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436 * @throws Exception Thrown if something went wrong during |
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437 * storing/updating. |
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438 */ |
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439 public PersistentArtifact storeOrReplace( |
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440 Artifact artifact, |
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441 ArtifactFactory factory, |
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442 Long ttl |
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443 ) |
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444 throws Exception |
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445 { |
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446 return new PersistentArtifact( |
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447 artifact, |
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448 factory.getSerializer(), |
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449 ttl, |
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450 storeOrReplaceDatabase(artifact, factory, ttl)); |
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451 } |
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452 |
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453 /** |
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454 * Implementors of this interface are able to process the raw |
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455 * artifact data from the database for loading. |
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456 */ |
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457 public interface ArtifactLoader { |
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458 |
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459 /** |
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460 * Creates a custom object from the raw artifact database data. |
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461 * @param factory The factory that created this artifact. |
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462 * @param ttl The current time to life of the artifact. |
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463 * @param bytes The raw artifact bytes from the database. |
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464 * @param id The database id of the artifact. |
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465 * @return The custom object created by the implementation. |
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466 */ |
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467 Object load(ArtifactFactory factory, Long ttl, byte [] bytes, int id); |
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468 |
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469 } // interface ArtifactLoader |
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470 |
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471 /** |
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472 * Fetches an artifact from the database identified by the |
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473 * given identifier. |
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474 * @param identifer The identifier of the artifact. |
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475 * @return A persistent wrapper around the found artifact |
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476 * to be able to write back a modifaction later or null |
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477 * if no artifact is found for this identifier. |
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478 */ |
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479 public PersistentArtifact getArtifact(String identifer) { |
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480 |
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481 return (PersistentArtifact)loadArtifact( |
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482 identifer, |
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483 new ArtifactLoader() { |
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484 |
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485 public Object load( |
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486 ArtifactFactory factory, |
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487 Long ttl, |
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488 byte [] bytes, |
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489 int id |
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490 ) { |
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491 ArtifactSerializer serializer = factory.getSerializer(); |
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492 |
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493 Artifact artifact = serializer.fromBytes(bytes); |
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494 |
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495 return artifact == null |
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496 ? null |
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497 : new PersistentArtifact(artifact, serializer, ttl, id); |
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498 } |
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499 }); |
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500 } |
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501 |
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502 /** |
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503 * More general loading mechanism for artifacts. The concrete |
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504 * load processing is delegated to the given loader. |
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505 * @param identifer The identifier of the artifact. |
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506 * @param loader The loader which processes the raw database data. |
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507 * @return The object created by the loader. |
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508 */ |
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509 public Object loadArtifact( |
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510 final String identifer, |
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511 final ArtifactLoader loader |
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512 ) { |
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513 if (!isValidIdentifier(identifer)) { |
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514 return null; |
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515 } |
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516 |
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517 if (factoryLookup == null) { |
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518 logger.error("factory lookup == null"); |
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519 return false; |
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520 } |
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521 |
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522 final Object [] loaded = new Object[1]; |
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523 |
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524 SQLExecutor.Instance exec = sqlExecutor.new Instance() { |
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525 public boolean doIt() throws SQLException { |
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526 prepareStatement(SQL_LOAD_BY_GID); |
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527 stmnt.setString(1, identifer); |
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528 |
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529 result = stmnt.executeQuery(); |
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530 |
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531 if (!result.next()) { |
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532 return false; |
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533 } |
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534 |
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535 int id = result.getInt(1); |
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536 long ttlX = result.getLong(2); |
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537 Long ttl = result.wasNull() ? null : ttlX; |
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538 |
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539 String factoryName = result.getString(3); |
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540 |
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541 ArtifactFactory factory = factoryLookup |
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542 .getArtifactFactory(factoryName); |
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543 |
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544 if (factory == null) { |
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545 logger.error("factory '" + factoryName + "' not found"); |
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546 return false; |
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547 } |
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548 |
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549 byte [] bytes = result.getBytes(4); |
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550 |
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551 loaded[0] = loader.load(factory, ttl, bytes, id); |
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552 return true; |
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553 } |
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554 }; |
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555 |
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556 return exec.runRead() ? loaded[0] : null; |
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557 } |
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558 |
90
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559 /** |
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560 * Called if the load mechanism found an outdated artifact. |
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561 * It wakes up the database cleaner. |
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562 * @param id The id of the outdated artifact. |
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563 */ |
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564 protected void artifactOutdated(int id) { |
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565 if (logger.isDebugEnabled()) { |
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566 logger.info("artifactOutdated: id = " + id); |
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567 } |
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568 if (cleaner != null) { |
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569 cleaner.wakeup(); |
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570 } |
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571 } |
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572 |
41
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573 public Artifact reviveArtifact(String factoryName, byte [] bytes) { |
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574 if (factoryLookup == null) { |
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575 logger.error("reviveArtifact: factory lookup == null"); |
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576 return null; |
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577 } |
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578 ArtifactFactory factory = factoryLookup |
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579 .getArtifactFactory(factoryName); |
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580 |
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581 if (factory == null) { |
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582 logger.error( |
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583 "reviveArtifact: no factory '" + factoryName + "' found"); |
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584 return null; |
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585 } |
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586 |
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587 ArtifactSerializer serializer = factory.getSerializer(); |
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588 |
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589 return serializer.fromBytes(bytes); |
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590 } |
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591 |
90
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592 /** |
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593 * Internal method to store/replace an artifact inside the database. |
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594 * If an artifact with the given identifier does not exists it is |
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595 * created else only the content data is updated. |
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596 * @param artifact The artifact to be store/update inside the database. |
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597 * @param factory The factory that created the artifact. |
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598 * @param ttl The initial time to life of the artifact. |
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599 * @return The database id of the stored/updated artifact. |
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600 */ |
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601 protected int storeOrReplaceDatabase( |
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602 final Artifact artifact, |
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603 final ArtifactFactory factory, |
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604 final Long ttl |
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605 ) { |
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606 final String uuid = artifact.identifier(); |
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607 |
177
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608 if (!isValidIdentifier(uuid)) { |
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609 throw new RuntimeException("No valid UUID"); |
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610 } |
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611 |
313
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612 final int [] id = new int[1]; |
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613 final boolean [] stored = new boolean[1]; |
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614 |
305
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Artifact database: Refactorized the usage of dialect independent SQL to be reusable.
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615 SQLExecutor.Instance exec = sqlExecutor.new Instance() { |
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616 public boolean doIt() throws SQLException { |
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617 |
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618 prepareStatement(SQL_GET_ID); |
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619 stmnt.setString(1, uuid); |
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620 result = stmnt.executeQuery(); |
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621 |
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622 Integer ID = result.next() |
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623 ? Integer.valueOf(result.getInt(1)) |
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624 : null; |
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625 |
174
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626 reset(); |
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627 |
313
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628 if (stored[0] = ID != null) { // already in database |
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629 prepareStatement(SQL_REPLACE); |
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630 |
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631 if (ttl == null) { |
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632 stmnt.setNull(1, Types.BIGINT); |
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633 } |
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634 else { |
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635 stmnt.setLong(1, ttl.longValue()); |
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636 } |
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637 |
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638 stmnt.setString(2, factory.getName()); |
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639 stmnt.setBytes( |
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640 3, |
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641 factory.getSerializer().toBytes(artifact)); |
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642 id[0] = ID.intValue(); |
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643 stmnt.setInt(4, id[0]); |
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644 } |
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645 else { // new artifact |
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646 prepareStatement(SQL_NEXT_ID); |
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647 result = stmnt.executeQuery(); |
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648 |
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649 if (!result.next()) { |
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650 logger.error("No id generated"); |
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651 return false; |
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652 } |
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653 |
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654 reset(); |
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655 |
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656 prepareStatement(SQL_INSERT); |
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657 |
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658 id[0] = result.getInt(1); |
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659 stmnt.setInt(1, id[0]); |
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660 stmnt.setString(2, uuid); |
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661 if (ttl == null) { |
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662 stmnt.setNull(3, Types.BIGINT); |
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663 } |
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664 else { |
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665 stmnt.setLong(3, ttl.longValue()); |
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666 } |
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667 |
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668 stmnt.setString(4, factory.getName()); |
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669 |
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670 stmnt.setBytes( |
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671 5, |
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672 factory.getSerializer().toBytes(artifact)); |
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673 } |
174
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674 stmnt.execute(); |
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675 conn.commit(); |
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676 return true; |
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677 } |
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678 }; |
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679 |
174
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680 if (!exec.runWrite()) { |
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681 throw new RuntimeException("failed insert artifact into database"); |
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682 } |
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683 |
313
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684 if (stored[0]) { |
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685 fireStoredArtifact(artifact); |
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686 } |
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687 else { |
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688 fireCreatedArtifact(artifact); |
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689 } |
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690 |
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691 return id[0]; |
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692 } |
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693 |
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694 /** |
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695 * Internal method to store an artifact inside the database. |
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696 * @param artifact The artifact to be stored. |
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697 * @param factory The factory which created the artifact. |
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698 * @param ttl The initial time to live of the artifact. |
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699 * @return The database id of the stored artifact. |
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700 */ |
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701 protected int insertDatabase( |
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702 final Artifact artifact, |
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703 final ArtifactFactory factory, |
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704 final Long ttl |
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705 ) { |
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706 final int [] id = new int[1]; |
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707 |
305
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708 SQLExecutor.Instance exec = sqlExecutor.new Instance() { |
174
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709 public boolean doIt() throws SQLException { |
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710 prepareStatement(SQL_NEXT_ID); |
80
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711 result = stmnt.executeQuery(); |
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712 |
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713 if (!result.next()) { |
174
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714 logger.error("No id generated"); |
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715 return false; |
80
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716 } |
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|
717 |
174
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718 id[0] = result.getInt(1); |
80
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719 |
174
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720 reset(); |
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721 prepareStatement(SQL_INSERT); |
80
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722 |
174
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723 String uuid = artifact.identifier(); |
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724 stmnt.setInt(1, id[0]); |
80
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725 stmnt.setString(2, uuid); |
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|
726 if (ttl == null) { |
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|
727 stmnt.setNull(3, Types.BIGINT); |
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728 } |
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|
729 else { |
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730 stmnt.setLong(3, ttl.longValue()); |
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731 } |
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|
732 |
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733 stmnt.setString(4, factory.getName()); |
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734 |
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735 stmnt.setBytes( |
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736 5, |
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|
737 factory.getSerializer().toBytes(artifact)); |
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738 |
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739 stmnt.execute(); |
14
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740 |
174
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741 conn.commit(); |
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742 return true; |
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743 } |
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744 }; |
14
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745 |
174
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746 if (!exec.runWrite()) { |
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747 throw new RuntimeException("failed insert artifact into database"); |
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748 } |
174
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749 |
311
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|
750 fireCreatedArtifact(artifact); |
310
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751 |
174
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752 return id[0]; |
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|
753 } |
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|
754 |
311
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755 protected void fireCreatedArtifact(Artifact artifact) { |
310
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756 for (BackendListener listener: listeners) { |
311
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757 listener.createdArtifact(artifact, this); |
310
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758 } |
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|
759 } |
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760 |
90
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|
761 /** |
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762 * Touches the access timestamp of a given artifact to prevent |
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763 * that it will be removed from the database by the database cleaner. |
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764 * @param artifact The persistent wrapper around the living artifact. |
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765 */ |
174
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766 public void touch(final PersistentArtifact artifact) { |
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767 sqlExecutor.new Instance() { |
174
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768 public boolean doIt() throws SQLException { |
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769 prepareStatement(SQL_TOUCH); |
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770 stmnt.setInt(1, artifact.getId()); |
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771 stmnt.execute(); |
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772 conn.commit(); |
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773 return true; |
14
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774 } |
174
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775 }.runWrite(); |
14
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parents:
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|
776 } |
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|
777 |
90
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|
778 /** |
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779 * Writes modification of an artifact back to the database. |
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780 * @param artifact The persistent wrapper around a living |
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781 * artifact. |
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782 */ |
174
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783 public void store(final PersistentArtifact artifact) { |
310
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784 boolean success = sqlExecutor.new Instance() { |
174
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785 public boolean doIt() throws SQLException { |
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786 prepareStatement(SQL_UPDATE); |
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787 stmnt.setInt(2, artifact.getId()); |
26
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Connected /create with artifact db.
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|
788 |
174
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789 byte [] bytes = artifact |
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790 .getSerializer() |
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791 .toBytes(artifact.getArtifact()); |
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792 |
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793 stmnt.setBytes(1, bytes); |
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794 stmnt.execute(); |
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795 conn.commit(); |
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796 return true; |
26
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|
797 } |
174
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798 }.runWrite(); |
310
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799 |
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|
800 if (success) { |
311
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801 fireStoredArtifact(artifact.getArtifact()); |
310
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802 } |
14
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parents:
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|
803 } |
133
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parents:
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|
804 |
311
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805 protected void fireStoredArtifact(Artifact artifact) { |
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806 for (BackendListener listener: listeners) { |
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807 listener.storedArtifact(artifact, this); |
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808 } |
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|
809 } |
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|
810 |
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|
811 |
133
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812 public User createUser( |
233
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813 final String name, |
410
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814 final String account, |
174
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815 final Document role, |
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816 final UserFactory factory, |
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817 final Object context |
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818 ) { |
174
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819 final User [] user = new User[1]; |
138
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820 |
235
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821 final byte [] roleData = XMLUtils.toByteArray(role, true); |
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822 |
305
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823 SQLExecutor.Instance exec = sqlExecutor.new Instance() { |
174
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824 public boolean doIt() throws SQLException { |
138
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825 |
174
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826 prepareStatement(SQL_USERS_NEXT_ID); |
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827 result = stmnt.executeQuery(); |
138
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828 |
146
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829 if (!result.next()) { |
174
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830 return false; |
138
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831 } |
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832 |
145
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|
833 int id = result.getInt(1); |
138
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834 |
174
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|
835 reset(); |
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836 |
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837 String identifier = newIdentifier(); |
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838 |
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839 prepareStatement(SQL_USERS_INSERT); |
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840 |
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841 stmnt.setInt(1, id); |
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842 stmnt.setString(2, identifier); |
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843 stmnt.setString(3, name); |
410
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|
844 stmnt.setString(4, account); |
138
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845 |
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846 if (roleData == null) { |
410
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|
847 stmnt.setNull(5, Types.BIGINT); |
138
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848 } |
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849 else { |
410
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|
850 stmnt.setBytes(5, roleData); |
138
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851 } |
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|
852 |
174
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853 stmnt.execute(); |
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854 conn.commit(); |
138
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855 |
174
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856 user[0] = factory.createUser( |
410
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|
857 identifier, name, account, role, context); |
174
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|
858 return true; |
138
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859 } |
174
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860 }; |
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861 |
311
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862 boolean success = exec.runWrite(); |
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863 |
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|
864 if (success) { |
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|
865 fireCreatedUser(user[0]); |
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|
866 return user[0]; |
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867 } |
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868 |
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|
869 return null; |
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|
870 } |
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871 |
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872 protected void fireCreatedUser(User user) { |
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873 for (BackendListener listener: listeners) { |
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|
874 listener.createdUser(user, this); |
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875 } |
133
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876 } |
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|
877 |
174
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878 public boolean deleteUser(final String identifier) { |
144
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879 |
177
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|
880 if (!isValidIdentifier(identifier)) { |
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881 return false; |
147
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|
882 } |
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|
883 |
305
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diff
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|
884 SQLExecutor.Instance exec = sqlExecutor.new Instance() { |
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|
885 public boolean doIt() throws SQLException { |
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|
886 prepareStatement(SQL_USERS_SELECT_ID_BY_GID); |
144
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|
887 |
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|
888 stmnt.setString(1, identifier); |
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|
889 result = stmnt.executeQuery(); |
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|
890 |
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|
891 if (!result.next()) { // No such user |
154
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|
892 return false; |
144
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|
893 } |
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|
894 |
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|
895 int id = result.getInt(1); |
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|
896 |
174
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|
897 reset(); |
144
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|
898 |
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|
899 // outdate the artifacts exclusively used by the user |
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900 |
174
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|
901 prepareStatement(SQL_OUTDATE_ARTIFACTS_USER); |
144
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|
902 stmnt.setInt(1, id); |
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|
903 stmnt.setInt(2, id); |
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|
904 stmnt.execute(); |
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|
905 |
174
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|
906 reset(); |
144
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|
907 |
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|
908 // delete the collection items of the user |
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|
909 |
174
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|
910 prepareStatement(SQL_DELETE_USER_COLLECTION_ITEMS); |
144
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|
911 stmnt.setInt(1, id); |
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|
912 stmnt.execute(); |
233
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|
913 |
174
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|
914 reset(); |
144
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diff
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|
915 |
5369582d4fbf
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|
916 // delete the collections of the user |
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|
917 |
174
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|
918 prepareStatement(SQL_USERS_DELETE_COLLECTIONS); |
144
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|
919 stmnt.setInt(1, id); |
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|
920 stmnt.execute(); |
174
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|
921 |
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diff
changeset
|
922 reset(); |
144
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diff
changeset
|
923 |
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|
924 // delete the user |
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diff
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|
925 |
174
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changeset
|
926 prepareStatement(SQL_USERS_DELETE_ID); |
144
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|
927 stmnt.setInt(1, id); |
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|
928 stmnt.execute(); |
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diff
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|
929 |
5369582d4fbf
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diff
changeset
|
930 conn.commit(); |
154
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diff
changeset
|
931 return true; |
144
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diff
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|
932 } |
174
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|
933 }; |
154
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diff
changeset
|
934 |
311
1d517e051e95
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diff
changeset
|
935 boolean success = exec.runWrite(); |
1d517e051e95
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310
diff
changeset
|
936 |
1d517e051e95
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diff
changeset
|
937 if (success) { |
1d517e051e95
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310
diff
changeset
|
938 fireDeletedUser(identifier); |
1d517e051e95
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310
diff
changeset
|
939 } |
1d517e051e95
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310
diff
changeset
|
940 |
1d517e051e95
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310
diff
changeset
|
941 return success; |
1d517e051e95
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310
diff
changeset
|
942 } |
1d517e051e95
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310
diff
changeset
|
943 |
1d517e051e95
Made backend listeners loadable at boot time.
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diff
changeset
|
944 protected void fireDeletedUser(String identifier) { |
1d517e051e95
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diff
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|
945 for (BackendListener listener: listeners) { |
1d517e051e95
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
310
diff
changeset
|
946 listener.deletedUser(identifier, this); |
1d517e051e95
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parents:
310
diff
changeset
|
947 } |
133
2950c6011afa
Fixed typo in keys.
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parents:
128
diff
changeset
|
948 } |
2950c6011afa
Fixed typo in keys.
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128
diff
changeset
|
949 |
157
6e6965873a48
Simplified creation of users.
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diff
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|
950 public User getUser( |
233
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diff
changeset
|
951 final String identifier, |
174
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diff
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|
952 final UserFactory factory, |
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|
953 final Object context |
157
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diff
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|
954 ) { |
177
77cd37a93fca
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diff
changeset
|
955 if (!isValidIdentifier(identifier)) { |
147
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diff
changeset
|
956 logger.debug("Invalid UUID: '" + identifier + "'"); |
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diff
changeset
|
957 return null; |
9a64e0c1c737
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diff
changeset
|
958 } |
9a64e0c1c737
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146
diff
changeset
|
959 |
174
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|
960 final User [] user = new User[1]; |
147
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diff
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|
961 |
305
f33401ea2a6c
Artifact database: Refactorized the usage of dialect independent SQL to be reusable.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
303
diff
changeset
|
962 SQLExecutor.Instance exec = sqlExecutor.new Instance() { |
174
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changeset
|
963 public boolean doIt() throws SQLException { |
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|
964 prepareStatement(SQL_USERS_SELECT_GID); |
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|
965 stmnt.setString(1, identifier); |
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|
966 result = stmnt.executeQuery(); |
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|
967 if (!result.next()) { // no such user |
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|
968 return false; |
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|
969 } |
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diff
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|
970 // omit id |
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|
971 String name = result.getString(2); |
410
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diff
changeset
|
972 String account = result.getString(3); |
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diff
changeset
|
973 byte [] roleData = result.getBytes(4); |
174
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|
974 |
432
da33275fb765
Check if roleData is null before reading it
Björn Ricks <bjoern.ricks@intevation.de>
parents:
413
diff
changeset
|
975 Document role = null; |
da33275fb765
Check if roleData is null before reading it
Björn Ricks <bjoern.ricks@intevation.de>
parents:
413
diff
changeset
|
976 if (roleData != null) { |
da33275fb765
Check if roleData is null before reading it
Björn Ricks <bjoern.ricks@intevation.de>
parents:
413
diff
changeset
|
977 role = XMLUtils.fromByteArray(roleData, true); |
da33275fb765
Check if roleData is null before reading it
Björn Ricks <bjoern.ricks@intevation.de>
parents:
413
diff
changeset
|
978 } |
174
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changeset
|
979 |
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diff
changeset
|
980 user[0] = factory.createUser( |
410
f456d9d55541
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parents:
393
diff
changeset
|
981 identifier, name, account, role, context); |
174
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changeset
|
982 return true; |
147
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146
diff
changeset
|
983 } |
174
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diff
changeset
|
984 }; |
147
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146
diff
changeset
|
985 |
174
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986 return exec.runRead() ? user[0] : null; |
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987 } |
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988 |
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989 /** |
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990 * Find/Get user by account |
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991 */ |
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992 public User findUser( |
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993 final String account, |
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994 final UserFactory factory, |
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995 final Object context |
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996 ) { |
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997 |
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998 final User [] user = new User[1]; |
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999 logger.debug("Tying to find user by account " + account); |
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1000 |
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1001 SQLExecutor.Instance exec = sqlExecutor.new Instance() { |
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1002 public boolean doIt() throws SQLException { |
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1003 prepareStatement(SQL_USERS_SELECT_ACCOUNT); |
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1004 stmnt.setString(1, account); |
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1005 result = stmnt.executeQuery(); |
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1006 if (!result.next()) { // no such user |
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1007 logger.debug("No user found."); |
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1008 return false; |
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1009 } |
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1010 String identifier = result.getString(1); |
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1011 String name = result.getString(2); |
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1012 String account = result.getString(3); |
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1013 byte [] roleData = result.getBytes(4); |
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1014 |
432
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1015 Document role = null; |
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1016 if (roleData != null) { |
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1017 role = XMLUtils.fromByteArray(roleData, true); |
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1018 } |
413
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1019 |
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1020 user[0] = factory.createUser( |
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1021 identifier, name, account, role, context); |
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1022 return true; |
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1023 } |
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1024 }; |
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1025 |
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1026 return exec.runRead() ? user[0] : null; |
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1027 } |
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1028 |
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1029 public User [] getUsers( |
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1030 final UserFactory factory, |
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1031 final Object context |
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1032 ) { |
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1033 final ArrayList<User> users = new ArrayList<User>(); |
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1034 |
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1035 SQLExecutor.Instance exec = sqlExecutor.new Instance() { |
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1036 public boolean doIt() throws SQLException { |
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1037 prepareStatement(SQL_USERS_SELECT_ALL); |
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1038 result = stmnt.executeQuery(); |
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1039 |
174
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1040 while (result.next()) { |
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1041 // omit id |
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1042 String identifier = result.getString(2); |
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1043 String name = result.getString(3); |
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1044 String account = result.getString(4); |
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1045 byte [] roleData = result.getBytes(5); |
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1046 |
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1047 Document role = XMLUtils.fromByteArray(roleData, true); |
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1048 User user = factory.createUser( |
410
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1049 identifier, name, account, role, context); |
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1050 users.add(user); |
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1051 } |
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1052 return true; |
148
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1053 } |
174
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1054 }; |
148
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|
1055 |
174
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1056 return exec.runRead() |
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1057 ? users.toArray(new User[users.size()]) |
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1058 : null; |
133
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|
1059 } |
156
a76de72ad6d1
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diff
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|
1060 |
159
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|
1061 public ArtifactCollection createCollection( |
233
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|
1062 final String ownerIdentifier, |
174
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1063 final String name, |
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|
1064 final ArtifactCollectionFactory factory, |
199
face2302387c
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diff
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|
1065 final Document attribute, |
174
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1066 final Object context |
159
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1067 ) { |
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1068 if (name == null) { |
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1069 logger.debug("Name is null"); |
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1070 return null; |
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|
1071 } |
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|
1072 |
177
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Backend: isIdentifierValid more symmetric to new newIndentifier
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1073 if (!isValidIdentifier(ownerIdentifier)) { |
159
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|
1074 logger.debug("Invalid owner id: '" + ownerIdentifier + "'"); |
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1075 return null; |
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|
1076 } |
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|
1077 |
235
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1078 final ArtifactCollection [] collection = new ArtifactCollection[1]; |
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1079 |
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1080 final byte [] data = XMLUtils.toByteArray(attribute, true); |
159
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1081 |
305
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1082 SQLExecutor.Instance exec = sqlExecutor.new Instance() { |
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1083 public boolean doIt() throws SQLException { |
159
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|
1084 // fetch owner id |
174
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|
1085 prepareStatement(SQL_USERS_SELECT_ID_BY_GID); |
159
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1086 stmnt.setString(1, ownerIdentifier); |
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1087 result = stmnt.executeQuery(); |
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1088 |
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1089 if (!result.next()) { // no such user |
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1090 return false; |
159
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|
1091 } |
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|
1092 |
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|
1093 int ownerId = result.getInt(1); |
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|
1094 reset(); |
159
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|
1095 |
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|
1096 // fetch new collection seq number. |
174
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1097 prepareStatement(SQL_COLLECTIONS_NEXT_ID); |
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1098 result = stmnt.executeQuery(); |
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1099 |
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1100 if (!result.next()) { // no identifier generated |
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1101 return false; |
159
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1102 } |
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1103 |
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1104 int id = result.getInt(1); |
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1105 reset(); |
159
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1106 |
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1107 String identifier = newIdentifier(); |
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1108 |
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1109 prepareStatement(SQL_COLLECTIONS_INSERT); |
159
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1110 |
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1111 stmnt.setInt(1, id); |
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1112 stmnt.setString(2, identifier); |
161
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1113 stmnt.setString(3, name); |
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1114 stmnt.setInt(4, ownerId); |
159
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1115 |
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1116 // XXX: A bit odd: we don't have a collection, yet. |
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1117 Long ttl = factory.timeToLiveUntouched(null, context); |
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1118 |
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1119 if (ttl == null) { |
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1120 stmnt.setNull(5, Types.BIGINT); |
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1121 } |
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1122 else { |
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1123 stmnt.setLong(5, ttl); |
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1124 } |
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1125 |
199
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1126 if (data == null) { |
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1127 stmnt.setNull(6, Types.BINARY); |
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1128 } |
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1129 else { |
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1130 stmnt.setBytes(6, data); |
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1131 } |
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1132 |
159
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1133 stmnt.execute(); |
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1134 conn.commit(); |
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1135 |
174
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1136 reset(); |
170
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1137 |
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1138 // fetch creation time from database |
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1139 // done this way to use the time system |
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1140 // of the database. |
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1141 |
174
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1142 prepareStatement(SQL_COLLECTIONS_CREATION_TIME); |
170
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1143 stmnt.setInt(1, id); |
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1144 |
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1145 result = stmnt.executeQuery(); |
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1146 |
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1147 Date creationTime = null; |
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1148 |
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1149 if (result.next()) { |
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1150 Timestamp timestamp = result.getTimestamp(1); |
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1151 creationTime = new Date(timestamp.getTime()); |
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1152 } |
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1153 |
174
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|
1154 collection[0] = factory.createCollection( |
281
942a54670a72
Made the TTL of a Collection retrievable via getter method.
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|
1155 identifier, name, creationTime, ttl, attribute, context); |
174
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|
1156 |
316
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|
1157 if (collection[0] != null) { |
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|
1158 // XXX: Little hack to make the listeners happy |
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|
1159 collection[0].setUser(new DefaultUser(ownerIdentifier)); |
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|
1160 } |
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|
1161 |
174
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|
1162 return true; |
159
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|
1163 } |
174
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|
1164 }; |
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|
1165 |
311
1d517e051e95
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|
1166 boolean success = exec.runWrite(); |
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|
1167 |
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|
1168 if (success) { |
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|
1169 fireCreatedCollection(collection[0]); |
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|
1170 return collection[0]; |
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|
1171 } |
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|
1172 return null; |
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|
1173 } |
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|
1174 |
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|
1175 protected void fireCreatedCollection(ArtifactCollection collection) { |
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|
1176 for (BackendListener listener: listeners) { |
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|
1177 listener.createdCollection(collection, this); |
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|
1178 } |
156
a76de72ad6d1
Added stubs for the collection handling in db backend.
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diff
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|
1179 } |
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|
1180 |
217
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|
1181 public ArtifactCollection getCollection( |
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|
1182 final String collectionId, |
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|
1183 final ArtifactCollectionFactory collectionFactory, |
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|
1184 final UserFactory userFactory, |
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|
1185 final Object context |
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|
1186 ) { |
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|
1187 if (!isValidIdentifier(collectionId)) { |
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|
1188 logger.debug("collection id is not valid: " + collectionId); |
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|
1189 return null; |
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1190 } |
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1191 |
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|
1192 final ArtifactCollection[] ac = new ArtifactCollection[1]; |
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|
1193 |
305
f33401ea2a6c
Artifact database: Refactorized the usage of dialect independent SQL to be reusable.
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|
1194 SQLExecutor.Instance exec = sqlExecutor.new Instance() { |
217
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|
1195 public boolean doIt() throws SQLException { |
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|
1196 |
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|
1197 prepareStatement(SQL_COLLECTIONS_SELECT_GID); |
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|
1198 stmnt.setString(1, collectionId); |
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1199 |
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|
1200 result = stmnt.executeQuery(); |
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|
1201 if (!result.next()) { |
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|
1202 logger.debug("No such collection"); |
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|
1203 return false; |
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1204 } |
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|
1205 |
235
3e29395ebac6
The XML documents stored aside users, collections and collection items are now compressed/decompressed transparently.
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|
1206 String collectionName = result.getString(2); |
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|
1207 String ownerId = result.getString(3); |
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1208 Date creationTime = |
217
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|
1209 new Date(result.getTimestamp(4).getTime()); |
235
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|
1210 Date lastAccess = |
217
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|
1211 new Date(result.getTimestamp(5).getTime()); |
235
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1212 Document attr = |
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1213 XMLUtils.fromByteArray(result.getBytes(6), true); |
281
942a54670a72
Made the TTL of a Collection retrievable via getter method.
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|
1214 long ttl = result.getLong(7); |
217
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1215 |
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|
1216 ArtifactCollection collection = |
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|
1217 collectionFactory.createCollection( |
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diff
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|
1218 collectionId, |
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|
1219 collectionName, |
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206
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|
1220 creationTime, |
281
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Made the TTL of a Collection retrievable via getter method.
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275
diff
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|
1221 ttl, |
217
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|
1222 attr, |
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|
1223 context); |
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|
1224 |
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diff
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|
1225 if (ownerId != null) { |
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|
1226 collection.setUser(new LazyBackendUser( |
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diff
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|
1227 ownerId, userFactory, Backend.this, context)); |
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|
1228 } |
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diff
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|
1229 |
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diff
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|
1230 ac[0] = collection; |
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diff
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|
1231 |
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diff
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|
1232 return true; |
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diff
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|
1233 } |
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diff
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|
1234 }; |
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|
1235 |
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206
diff
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|
1236 return exec.runRead() ? ac[0] : null; |
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diff
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|
1237 } |
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diff
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|
1238 |
164
268c2972d4a7
Implemented the interface method listCollections() in the artifact database.
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diff
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|
1239 public ArtifactCollection [] listCollections( |
174
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1240 final String ownerIdentifier, |
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1241 final Document data, |
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1242 final ArtifactCollectionFactory collectionFactory, |
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1243 final UserFactory userFactory, |
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1244 final Object context |
167
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diff
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|
1245 ) { |
233
16cd059945e5
Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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230
diff
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|
1246 if (ownerIdentifier != null |
177
77cd37a93fca
Backend: isIdentifierValid more symmetric to new newIndentifier
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176
diff
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|
1247 && !isValidIdentifier(ownerIdentifier)) { |
167
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|
1248 logger.debug("Invalid owner id: '" + ownerIdentifier + "'"); |
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Added code to list collections.
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|
1249 return null; |
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|
1250 } |
c9c27aca2f70
Added code to list collections.
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|
1251 |
174
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|
1252 final ArrayList<ArtifactCollection> collections = |
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|
1253 new ArrayList<ArtifactCollection>(); |
167
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diff
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|
1254 |
305
f33401ea2a6c
Artifact database: Refactorized the usage of dialect independent SQL to be reusable.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
303
diff
changeset
|
1255 SQLExecutor.Instance exec = sqlExecutor.new Instance() { |
167
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Added code to list collections.
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|
1256 |
174
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|
1257 public boolean doIt() throws SQLException { |
167
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Added code to list collections.
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diff
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|
1258 |
174
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diff
changeset
|
1259 if (ownerIdentifier != null) { |
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diff
changeset
|
1260 prepareStatement(SQL_COLLECTIONS_SELECT_USER); |
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diff
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|
1261 stmnt.setString(1, ownerIdentifier); |
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diff
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|
1262 } |
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diff
changeset
|
1263 else { |
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diff
changeset
|
1264 prepareStatement(SQL_COLLECTIONS_SELECT_ALL); |
167
c9c27aca2f70
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
164
diff
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|
1265 } |
c9c27aca2f70
Added code to list collections.
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parents:
164
diff
changeset
|
1266 |
174
25d472a67a9f
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diff
changeset
|
1267 result = stmnt.executeQuery(); |
167
c9c27aca2f70
Added code to list collections.
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diff
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|
1268 |
235
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diff
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|
1269 HashMap<String, LazyBackendUser> users = |
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diff
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|
1270 new HashMap<String, LazyBackendUser>(); |
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|
1271 |
174
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diff
changeset
|
1272 while (result.next()) { |
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diff
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|
1273 String collectionIdentifier = result.getString(1); |
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|
1274 String collectionName = result.getString(2); |
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changeset
|
1275 Date creationTime = |
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changeset
|
1276 new Date(result.getTimestamp(3).getTime()); |
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|
1277 String userIdentifier = result.getString(4); |
281
942a54670a72
Made the TTL of a Collection retrievable via getter method.
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diff
changeset
|
1278 long ttl = result.getLong(5); |
174
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changeset
|
1279 |
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|
1280 ArtifactCollection collection = |
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|
1281 collectionFactory.createCollection( |
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diff
changeset
|
1282 collectionIdentifier, |
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|
1283 collectionName, |
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diff
changeset
|
1284 creationTime, |
281
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Made the TTL of a Collection retrievable via getter method.
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diff
changeset
|
1285 ttl, |
174
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|
1286 data, |
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diff
changeset
|
1287 context); |
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diff
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|
1288 |
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diff
changeset
|
1289 if (userIdentifier != null) { |
235
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|
1290 LazyBackendUser user = users.get(userIdentifier); |
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|
1291 if (user == null) { |
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diff
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|
1292 user = new LazyBackendUser( |
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diff
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|
1293 userIdentifier, userFactory, |
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diff
changeset
|
1294 Backend.this, context); |
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diff
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|
1295 users.put(userIdentifier, user); |
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|
1296 } |
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|
1297 collection.setUser(user); |
174
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|
1298 } |
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|
1299 |
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|
1300 collections.add(collection); |
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|
1301 } |
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diff
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|
1302 return true; |
167
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diff
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|
1303 } |
174
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|
1304 }; |
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|
1305 |
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|
1306 return exec.runRead() |
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|
1307 ? collections.toArray(new ArtifactCollection[collections.size()]) |
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|
1308 : null; |
156
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Added stubs for the collection handling in db backend.
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diff
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|
1309 } |
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diff
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|
1310 |
174
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diff
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|
1311 |
343
542caebea773
Add functionality to get 'oldest' artifact of a collection.'
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
320
diff
changeset
|
1312 public String getMasterArtifact(final String collectionId) { |
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1313 if (!isValidIdentifier(collectionId)) { |
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1314 logger.debug("Invalid collection id: '" + collectionId + "'"); |
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1315 return null; |
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1316 } |
345
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1317 final String [] uuid = new String[1]; |
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1318 |
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1319 SQLExecutor.Instance exec = sqlExecutor.new Instance() { |
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1320 public boolean doIt() throws SQLException { |
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1321 // Fetch masters (oldest artifact) id. |
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1322 prepareStatement(SQL_COLLECTIONS_OLDEST_ARTIFACT); |
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1323 stmnt.setString(1, collectionId); |
345
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1324 stmnt.setMaxRows(1); // |
343
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1325 result = stmnt.executeQuery(); |
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1326 if (!result.next()) { |
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1327 logger.debug("No such collection: " + collectionId); |
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1328 return false; |
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1329 } |
345
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1330 uuid[0] = result.getString(1); |
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1331 if (logger.isDebugEnabled()) { |
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1332 logger.debug("getMasterArtifact result.getString " + |
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1333 uuid[0]); |
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1334 } |
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1335 return true; |
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1336 } |
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1337 }; |
345
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1338 return exec.runRead() ? uuid[0] : null; |
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1339 } |
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1340 |
175
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1341 public boolean deleteCollection(final String collectionId) { |
177
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1342 if (!isValidIdentifier(collectionId)) { |
175
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1343 logger.debug("Invalid collection id: '" + collectionId + "'"); |
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1344 return false; |
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1345 } |
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1346 SQLExecutor.Instance exec = sqlExecutor.new Instance() { |
175
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1347 public boolean doIt() throws SQLException { |
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1348 // fetch collection id |
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1349 prepareStatement(SQL_COLLECTIONS_ID_BY_GID); |
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1350 stmnt.setString(1, collectionId); |
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1351 result = stmnt.executeQuery(); |
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1352 if (!result.next()) { |
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1353 logger.debug("No such collection: " + collectionId); |
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1354 return false; |
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1355 } |
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1356 int id = result.getInt(1); |
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1357 reset(); |
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1358 |
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1359 // outdate artifacts that are only in this collection |
393
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1360 logger.info("Outdate Artifacts that belong to collection: " + id); |
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1361 |
175
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1362 prepareStatement(SQL_OUTDATE_ARTIFACTS_COLLECTION); |
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1363 stmnt.setInt(1, id); |
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1364 stmnt.setInt(2, id); |
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1365 stmnt.execute(); |
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1366 reset(); |
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1367 |
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1368 // delete the collection items |
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|
1369 prepareStatement(SQL_DELETE_COLLECTION_ITEMS); |
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1370 stmnt.setInt(1, id); |
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1371 stmnt.execute(); |
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1372 reset(); |
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1373 |
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1374 // delete the collection |
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|
1375 prepareStatement(SQL_DELETE_COLLECTION); |
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1376 stmnt.setInt(1, id); |
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1377 stmnt.execute(); |
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1378 conn.commit(); |
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1379 return true; |
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1380 } |
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1381 }; |
311
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1382 boolean success = exec.runWrite(); |
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1383 |
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1384 if (success) { |
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1385 fireDeletedCollection(collectionId); |
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1386 } |
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1387 |
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|
1388 return success; |
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1389 } |
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1390 |
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|
1391 protected void fireDeletedCollection(String identifier) { |
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1392 for (BackendListener listener: listeners) { |
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1393 listener.deletedCollection(identifier, this); |
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|
1394 } |
156
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1395 } |
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|
1396 |
253
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|
1397 public Document getCollectionAttribute(final String collectionId) { |
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1398 if (!isValidIdentifier(collectionId)) { |
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1399 logger.debug("collection id is not valid: " + collectionId); |
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1400 } |
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1401 |
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1402 final byte[][] data = new byte[1][1]; |
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1403 |
305
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|
1404 SQLExecutor.Instance exec = sqlExecutor.new Instance() { |
253
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1405 public boolean doIt() throws SQLException { |
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1406 prepareStatement(SQL_COLLECTION_GET_ATTRIBUTE); |
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1407 stmnt.setString(1, collectionId); |
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1408 result = stmnt.executeQuery(); |
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1409 if (!result.next()) { |
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|
1410 logger.debug("No such collection."); |
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1411 return false; |
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1412 } |
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1413 |
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1414 data[0] = result.getBytes(1); |
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1415 return true; |
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1416 } |
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1417 }; |
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1418 |
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1419 return exec.runRead() |
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1420 ? XMLUtils.fromByteArray(data[0], true) |
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1421 : null; |
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1422 } |
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diff
changeset
|
1423 |
a2df2b48d2aa
Enabled the artifact database to handle requests specific to collection attributes and collection item attributes.
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diff
changeset
|
1424 public boolean setCollectionAttribute( |
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Enabled the artifact database to handle requests specific to collection attributes and collection item attributes.
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diff
changeset
|
1425 final String collectionId, |
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Enabled the artifact database to handle requests specific to collection attributes and collection item attributes.
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diff
changeset
|
1426 Document attribute |
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Enabled the artifact database to handle requests specific to collection attributes and collection item attributes.
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diff
changeset
|
1427 ) { |
a2df2b48d2aa
Enabled the artifact database to handle requests specific to collection attributes and collection item attributes.
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252
diff
changeset
|
1428 if (!isValidIdentifier(collectionId)) { |
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Enabled the artifact database to handle requests specific to collection attributes and collection item attributes.
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diff
changeset
|
1429 logger.debug("collection id is not valid: " + collectionId); |
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Enabled the artifact database to handle requests specific to collection attributes and collection item attributes.
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diff
changeset
|
1430 return false; |
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Enabled the artifact database to handle requests specific to collection attributes and collection item attributes.
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diff
changeset
|
1431 } |
a2df2b48d2aa
Enabled the artifact database to handle requests specific to collection attributes and collection item attributes.
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252
diff
changeset
|
1432 |
a2df2b48d2aa
Enabled the artifact database to handle requests specific to collection attributes and collection item attributes.
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252
diff
changeset
|
1433 final byte [] data = XMLUtils.toByteArray(attribute, true); |
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Enabled the artifact database to handle requests specific to collection attributes and collection item attributes.
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diff
changeset
|
1434 |
311
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Made backend listeners loadable at boot time.
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310
diff
changeset
|
1435 boolean success = sqlExecutor.new Instance() { |
253
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Enabled the artifact database to handle requests specific to collection attributes and collection item attributes.
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diff
changeset
|
1436 public boolean doIt() throws SQLException { |
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Enabled the artifact database to handle requests specific to collection attributes and collection item attributes.
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diff
changeset
|
1437 |
a2df2b48d2aa
Enabled the artifact database to handle requests specific to collection attributes and collection item attributes.
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252
diff
changeset
|
1438 // set the column in collection items |
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Enabled the artifact database to handle requests specific to collection attributes and collection item attributes.
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252
diff
changeset
|
1439 prepareStatement(SQL_COLLECTION_SET_ATTRIBUTE); |
a2df2b48d2aa
Enabled the artifact database to handle requests specific to collection attributes and collection item attributes.
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252
diff
changeset
|
1440 if (data == null) { |
a2df2b48d2aa
Enabled the artifact database to handle requests specific to collection attributes and collection item attributes.
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252
diff
changeset
|
1441 stmnt.setNull(1, Types.BINARY); |
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diff
changeset
|
1442 } |
a2df2b48d2aa
Enabled the artifact database to handle requests specific to collection attributes and collection item attributes.
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diff
changeset
|
1443 else { |
a2df2b48d2aa
Enabled the artifact database to handle requests specific to collection attributes and collection item attributes.
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252
diff
changeset
|
1444 stmnt.setBytes(1, data); |
a2df2b48d2aa
Enabled the artifact database to handle requests specific to collection attributes and collection item attributes.
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diff
changeset
|
1445 } |
a2df2b48d2aa
Enabled the artifact database to handle requests specific to collection attributes and collection item attributes.
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diff
changeset
|
1446 stmnt.setString(2, collectionId); |
a2df2b48d2aa
Enabled the artifact database to handle requests specific to collection attributes and collection item attributes.
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diff
changeset
|
1447 stmnt.execute(); |
a2df2b48d2aa
Enabled the artifact database to handle requests specific to collection attributes and collection item attributes.
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diff
changeset
|
1448 reset(); |
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Enabled the artifact database to handle requests specific to collection attributes and collection item attributes.
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diff
changeset
|
1449 |
a2df2b48d2aa
Enabled the artifact database to handle requests specific to collection attributes and collection item attributes.
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diff
changeset
|
1450 // touch the collection |
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Enabled the artifact database to handle requests specific to collection attributes and collection item attributes.
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diff
changeset
|
1451 prepareStatement(SQL_COLLECTIONS_TOUCH_BY_GID); |
a2df2b48d2aa
Enabled the artifact database to handle requests specific to collection attributes and collection item attributes.
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252
diff
changeset
|
1452 stmnt.setString(1, collectionId); |
a2df2b48d2aa
Enabled the artifact database to handle requests specific to collection attributes and collection item attributes.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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252
diff
changeset
|
1453 stmnt.execute(); |
a2df2b48d2aa
Enabled the artifact database to handle requests specific to collection attributes and collection item attributes.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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252
diff
changeset
|
1454 |
a2df2b48d2aa
Enabled the artifact database to handle requests specific to collection attributes and collection item attributes.
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252
diff
changeset
|
1455 conn.commit(); |
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Enabled the artifact database to handle requests specific to collection attributes and collection item attributes.
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252
diff
changeset
|
1456 return true; |
a2df2b48d2aa
Enabled the artifact database to handle requests specific to collection attributes and collection item attributes.
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diff
changeset
|
1457 } |
a2df2b48d2aa
Enabled the artifact database to handle requests specific to collection attributes and collection item attributes.
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252
diff
changeset
|
1458 }.runWrite(); |
311
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1459 |
1d517e051e95
Made backend listeners loadable at boot time.
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parents:
310
diff
changeset
|
1460 if (success) { |
1d517e051e95
Made backend listeners loadable at boot time.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
310
diff
changeset
|
1461 fireChangedCollectionAttribute(collectionId, attribute); |
1d517e051e95
Made backend listeners loadable at boot time.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
310
diff
changeset
|
1462 } |
1d517e051e95
Made backend listeners loadable at boot time.
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parents:
310
diff
changeset
|
1463 |
1d517e051e95
Made backend listeners loadable at boot time.
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parents:
310
diff
changeset
|
1464 return success; |
1d517e051e95
Made backend listeners loadable at boot time.
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parents:
310
diff
changeset
|
1465 } |
1d517e051e95
Made backend listeners loadable at boot time.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
310
diff
changeset
|
1466 |
1d517e051e95
Made backend listeners loadable at boot time.
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parents:
310
diff
changeset
|
1467 protected void fireChangedCollectionAttribute( |
1d517e051e95
Made backend listeners loadable at boot time.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
310
diff
changeset
|
1468 String collectionId, |
1d517e051e95
Made backend listeners loadable at boot time.
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parents:
310
diff
changeset
|
1469 Document document |
1d517e051e95
Made backend listeners loadable at boot time.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
310
diff
changeset
|
1470 ) { |
1d517e051e95
Made backend listeners loadable at boot time.
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parents:
310
diff
changeset
|
1471 for (BackendListener listener: listeners) { |
1d517e051e95
Made backend listeners loadable at boot time.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
310
diff
changeset
|
1472 listener.changedCollectionAttribute(collectionId, document, this); |
1d517e051e95
Made backend listeners loadable at boot time.
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parents:
310
diff
changeset
|
1473 } |
253
a2df2b48d2aa
Enabled the artifact database to handle requests specific to collection attributes and collection item attributes.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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diff
changeset
|
1474 } |
a2df2b48d2aa
Enabled the artifact database to handle requests specific to collection attributes and collection item attributes.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
252
diff
changeset
|
1475 |
252
6de74b0b878e
Changed the method names to get and set the attributes of collection items.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
242
diff
changeset
|
1476 public Document getCollectionItemAttribute( |
178
535e4ea2ef9b
Added code to get the attribute of a collection item
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
177
diff
changeset
|
1477 final String collectionId, |
535e4ea2ef9b
Added code to get the attribute of a collection item
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parents:
177
diff
changeset
|
1478 final String artifactId |
156
a76de72ad6d1
Added stubs for the collection handling in db backend.
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parents:
154
diff
changeset
|
1479 ) { |
178
535e4ea2ef9b
Added code to get the attribute of a collection item
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177
diff
changeset
|
1480 if (!isValidIdentifier(collectionId)) { |
535e4ea2ef9b
Added code to get the attribute of a collection item
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177
diff
changeset
|
1481 logger.debug("collection id is not valid: " + collectionId); |
535e4ea2ef9b
Added code to get the attribute of a collection item
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177
diff
changeset
|
1482 return null; |
535e4ea2ef9b
Added code to get the attribute of a collection item
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177
diff
changeset
|
1483 } |
535e4ea2ef9b
Added code to get the attribute of a collection item
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
177
diff
changeset
|
1484 if (!isValidIdentifier(artifactId)) { |
535e4ea2ef9b
Added code to get the attribute of a collection item
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
177
diff
changeset
|
1485 logger.debug("artifact id is not valid: " + artifactId); |
179
644fd11ddd9f
Added code to set attribute of a collection item.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
178
diff
changeset
|
1486 return null; |
178
535e4ea2ef9b
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177
diff
changeset
|
1487 } |
535e4ea2ef9b
Added code to get the attribute of a collection item
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parents:
177
diff
changeset
|
1488 |
235
3e29395ebac6
The XML documents stored aside users, collections and collection items are now compressed/decompressed transparently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
233
diff
changeset
|
1489 final byte [][] data = new byte[1][1]; |
178
535e4ea2ef9b
Added code to get the attribute of a collection item
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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177
diff
changeset
|
1490 |
305
f33401ea2a6c
Artifact database: Refactorized the usage of dialect independent SQL to be reusable.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
303
diff
changeset
|
1491 SQLExecutor.Instance exec = sqlExecutor.new Instance() { |
178
535e4ea2ef9b
Added code to get the attribute of a collection item
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177
diff
changeset
|
1492 public boolean doIt() throws SQLException { |
535e4ea2ef9b
Added code to get the attribute of a collection item
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diff
changeset
|
1493 prepareStatement(SQL_COLLECTION_ITEM_GET_ATTRIBUTE); |
535e4ea2ef9b
Added code to get the attribute of a collection item
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parents:
177
diff
changeset
|
1494 stmnt.setString(1, collectionId); |
535e4ea2ef9b
Added code to get the attribute of a collection item
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parents:
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diff
changeset
|
1495 stmnt.setString(2, artifactId); |
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Added code to get the attribute of a collection item
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177
diff
changeset
|
1496 result = stmnt.executeQuery(); |
535e4ea2ef9b
Added code to get the attribute of a collection item
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parents:
177
diff
changeset
|
1497 if (!result.next()) { |
535e4ea2ef9b
Added code to get the attribute of a collection item
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parents:
177
diff
changeset
|
1498 logger.debug("No such collection item"); |
535e4ea2ef9b
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parents:
177
diff
changeset
|
1499 return false; |
535e4ea2ef9b
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177
diff
changeset
|
1500 } |
235
3e29395ebac6
The XML documents stored aside users, collections and collection items are now compressed/decompressed transparently.
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diff
changeset
|
1501 data[0] = result.getBytes(1); |
178
535e4ea2ef9b
Added code to get the attribute of a collection item
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diff
changeset
|
1502 return true; |
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diff
changeset
|
1503 } |
535e4ea2ef9b
Added code to get the attribute of a collection item
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diff
changeset
|
1504 }; |
535e4ea2ef9b
Added code to get the attribute of a collection item
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diff
changeset
|
1505 |
235
3e29395ebac6
The XML documents stored aside users, collections and collection items are now compressed/decompressed transparently.
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233
diff
changeset
|
1506 return exec.runRead() |
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parents:
233
diff
changeset
|
1507 ? XMLUtils.fromByteArray(data[0], true) |
3e29395ebac6
The XML documents stored aside users, collections and collection items are now compressed/decompressed transparently.
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233
diff
changeset
|
1508 : null; |
156
a76de72ad6d1
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154
diff
changeset
|
1509 } |
a76de72ad6d1
Added stubs for the collection handling in db backend.
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diff
changeset
|
1510 |
252
6de74b0b878e
Changed the method names to get and set the attributes of collection items.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
242
diff
changeset
|
1511 public boolean setCollectionItemAttribute( |
233
16cd059945e5
Removed trailing whitespace.
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parents:
230
diff
changeset
|
1512 final String collectionId, |
179
644fd11ddd9f
Added code to set attribute of a collection item.
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178
diff
changeset
|
1513 final String artifactId, |
644fd11ddd9f
Added code to set attribute of a collection item.
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178
diff
changeset
|
1514 Document attribute |
156
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diff
changeset
|
1515 ) { |
179
644fd11ddd9f
Added code to set attribute of a collection item.
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178
diff
changeset
|
1516 if (!isValidIdentifier(collectionId)) { |
644fd11ddd9f
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178
diff
changeset
|
1517 logger.debug("collection id is not valid: " + collectionId); |
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diff
changeset
|
1518 return false; |
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diff
changeset
|
1519 } |
644fd11ddd9f
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diff
changeset
|
1520 if (!isValidIdentifier(artifactId)) { |
644fd11ddd9f
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178
diff
changeset
|
1521 logger.debug("artifact id is not valid: " + artifactId); |
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diff
changeset
|
1522 return false; |
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diff
changeset
|
1523 } |
644fd11ddd9f
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diff
changeset
|
1524 |
235
3e29395ebac6
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diff
changeset
|
1525 final byte [] data = XMLUtils.toByteArray(attribute, true); |
179
644fd11ddd9f
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178
diff
changeset
|
1526 |
311
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1527 boolean success = sqlExecutor.new Instance() { |
179
644fd11ddd9f
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parents:
178
diff
changeset
|
1528 public boolean doIt() throws SQLException { |
644fd11ddd9f
Added code to set attribute of a collection item.
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178
diff
changeset
|
1529 |
644fd11ddd9f
Added code to set attribute of a collection item.
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diff
changeset
|
1530 // set the column in collection items |
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Added code to set attribute of a collection item.
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diff
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|
1531 prepareStatement(SQL_COLLECTION_ITEM_SET_ATTRIBUTE); |
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Added code to set attribute of a collection item.
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diff
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|
1532 if (data == null) { |
644fd11ddd9f
Added code to set attribute of a collection item.
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178
diff
changeset
|
1533 stmnt.setNull(1, Types.BINARY); |
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Added code to set attribute of a collection item.
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diff
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|
1534 } |
644fd11ddd9f
Added code to set attribute of a collection item.
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178
diff
changeset
|
1535 else { |
644fd11ddd9f
Added code to set attribute of a collection item.
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178
diff
changeset
|
1536 stmnt.setBytes(1, data); |
644fd11ddd9f
Added code to set attribute of a collection item.
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parents:
178
diff
changeset
|
1537 } |
644fd11ddd9f
Added code to set attribute of a collection item.
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178
diff
changeset
|
1538 stmnt.setString(2, collectionId); |
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Added code to set attribute of a collection item.
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178
diff
changeset
|
1539 stmnt.setString(3, artifactId); |
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Added code to set attribute of a collection item.
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178
diff
changeset
|
1540 stmnt.execute(); |
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diff
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|
1541 reset(); |
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178
diff
changeset
|
1542 |
644fd11ddd9f
Added code to set attribute of a collection item.
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178
diff
changeset
|
1543 // touch the collection |
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diff
changeset
|
1544 prepareStatement(SQL_COLLECTIONS_TOUCH_BY_GID); |
644fd11ddd9f
Added code to set attribute of a collection item.
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178
diff
changeset
|
1545 stmnt.setString(1, collectionId); |
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Added code to set attribute of a collection item.
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diff
changeset
|
1546 stmnt.execute(); |
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diff
changeset
|
1547 |
644fd11ddd9f
Added code to set attribute of a collection item.
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diff
changeset
|
1548 conn.commit(); |
644fd11ddd9f
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diff
changeset
|
1549 return true; |
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diff
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|
1550 } |
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diff
changeset
|
1551 }.runWrite(); |
311
1d517e051e95
Made backend listeners loadable at boot time.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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310
diff
changeset
|
1552 |
1d517e051e95
Made backend listeners loadable at boot time.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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310
diff
changeset
|
1553 if (success) { |
1d517e051e95
Made backend listeners loadable at boot time.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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310
diff
changeset
|
1554 fireChangedCollectionItemAttribute( |
1d517e051e95
Made backend listeners loadable at boot time.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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310
diff
changeset
|
1555 collectionId, artifactId, attribute); |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1556 } |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1557 |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1558 return success; |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1559 } |
1d517e051e95
Made backend listeners loadable at boot time.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
310
diff
changeset
|
1560 |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1561 protected void fireChangedCollectionItemAttribute( |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1562 String collectionId, |
1d517e051e95
Made backend listeners loadable at boot time.
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parents:
310
diff
changeset
|
1563 String artifactId, |
1d517e051e95
Made backend listeners loadable at boot time.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
310
diff
changeset
|
1564 Document document |
1d517e051e95
Made backend listeners loadable at boot time.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
310
diff
changeset
|
1565 ) { |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1566 for (BackendListener listener: listeners) { |
1d517e051e95
Made backend listeners loadable at boot time.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
310
diff
changeset
|
1567 listener.changedCollectionItemAttribute( |
1d517e051e95
Made backend listeners loadable at boot time.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
310
diff
changeset
|
1568 collectionId, artifactId, document, this); |
1d517e051e95
Made backend listeners loadable at boot time.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
310
diff
changeset
|
1569 } |
156
a76de72ad6d1
Added stubs for the collection handling in db backend.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
154
diff
changeset
|
1570 } |
a76de72ad6d1
Added stubs for the collection handling in db backend.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
154
diff
changeset
|
1571 |
a76de72ad6d1
Added stubs for the collection handling in db backend.
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154
diff
changeset
|
1572 public boolean addCollectionArtifact( |
176
a0eff2227588
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diff
changeset
|
1573 final String collectionId, |
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diff
changeset
|
1574 final String artifactId, |
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diff
changeset
|
1575 final Document attribute |
156
a76de72ad6d1
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154
diff
changeset
|
1576 ) { |
177
77cd37a93fca
Backend: isIdentifierValid more symmetric to new newIndentifier
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
176
diff
changeset
|
1577 if (!isValidIdentifier(collectionId)) { |
176
a0eff2227588
Added code to add artifacts to collections.
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175
diff
changeset
|
1578 logger.debug("Invalid collection id: '" + collectionId + "'"); |
a0eff2227588
Added code to add artifacts to collections.
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175
diff
changeset
|
1579 return false; |
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Added code to add artifacts to collections.
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175
diff
changeset
|
1580 } |
a0eff2227588
Added code to add artifacts to collections.
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175
diff
changeset
|
1581 |
177
77cd37a93fca
Backend: isIdentifierValid more symmetric to new newIndentifier
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
176
diff
changeset
|
1582 if (!isValidIdentifier(artifactId)) { |
176
a0eff2227588
Added code to add artifacts to collections.
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175
diff
changeset
|
1583 logger.debug("Invalid artifact id: '" + artifactId + "'"); |
a0eff2227588
Added code to add artifacts to collections.
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175
diff
changeset
|
1584 return false; |
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Added code to add artifacts to collections.
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parents:
175
diff
changeset
|
1585 } |
a0eff2227588
Added code to add artifacts to collections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
175
diff
changeset
|
1586 |
235
3e29395ebac6
The XML documents stored aside users, collections and collection items are now compressed/decompressed transparently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
233
diff
changeset
|
1587 final byte [] data = XMLUtils.toByteArray(attribute, true); |
3e29395ebac6
The XML documents stored aside users, collections and collection items are now compressed/decompressed transparently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
233
diff
changeset
|
1588 |
305
f33401ea2a6c
Artifact database: Refactorized the usage of dialect independent SQL to be reusable.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
303
diff
changeset
|
1589 SQLExecutor.Instance exec = sqlExecutor.new Instance() { |
176
a0eff2227588
Added code to add artifacts to collections.
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parents:
175
diff
changeset
|
1590 public boolean doIt() throws SQLException { |
a0eff2227588
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175
diff
changeset
|
1591 // fetch artifact id |
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175
diff
changeset
|
1592 prepareStatement(SQL_GET_ID); |
a0eff2227588
Added code to add artifacts to collections.
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parents:
175
diff
changeset
|
1593 stmnt.setString(1, artifactId); |
a0eff2227588
Added code to add artifacts to collections.
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175
diff
changeset
|
1594 result = stmnt.executeQuery(); |
a0eff2227588
Added code to add artifacts to collections.
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175
diff
changeset
|
1595 if (!result.next()) { |
a0eff2227588
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175
diff
changeset
|
1596 logger.debug("No such artifact: " + artifactId); |
a0eff2227588
Added code to add artifacts to collections.
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parents:
175
diff
changeset
|
1597 return false; |
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Added code to add artifacts to collections.
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175
diff
changeset
|
1598 } |
a0eff2227588
Added code to add artifacts to collections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
175
diff
changeset
|
1599 int aid = result.getInt(1); |
a0eff2227588
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175
diff
changeset
|
1600 reset(); |
a0eff2227588
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175
diff
changeset
|
1601 |
a0eff2227588
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175
diff
changeset
|
1602 // fetch collection id |
a0eff2227588
Added code to add artifacts to collections.
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175
diff
changeset
|
1603 prepareStatement(SQL_COLLECTIONS_ID_BY_GID); |
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Added code to add artifacts to collections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
175
diff
changeset
|
1604 stmnt.setString(1, collectionId); |
a0eff2227588
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175
diff
changeset
|
1605 result = stmnt.executeQuery(); |
a0eff2227588
Added code to add artifacts to collections.
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175
diff
changeset
|
1606 if (!result.next()) { |
a0eff2227588
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175
diff
changeset
|
1607 logger.debug("No such collection: " + collectionId); |
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175
diff
changeset
|
1608 } |
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175
diff
changeset
|
1609 int cid = result.getInt(1); |
a0eff2227588
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175
diff
changeset
|
1610 reset(); |
a0eff2227588
Added code to add artifacts to collections.
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175
diff
changeset
|
1611 |
a0eff2227588
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175
diff
changeset
|
1612 // check if artifact is already in collection |
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175
diff
changeset
|
1613 prepareStatement(SQL_COLLECTION_CHECK_ARTIFACT); |
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parents:
175
diff
changeset
|
1614 stmnt.setInt(1, aid); |
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175
diff
changeset
|
1615 stmnt.setInt(2, cid); |
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175
diff
changeset
|
1616 result = stmnt.executeQuery(); |
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175
diff
changeset
|
1617 if (result.next()) { |
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diff
changeset
|
1618 logger.debug("artifact already in collection"); |
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175
diff
changeset
|
1619 return false; |
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175
diff
changeset
|
1620 } |
a0eff2227588
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diff
changeset
|
1621 reset(); |
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diff
changeset
|
1622 |
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diff
changeset
|
1623 // fetch fresh id for new collection item |
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diff
changeset
|
1624 prepareStatement(SQL_COLLECTION_ITEMS_ID_NEXTVAL); |
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diff
changeset
|
1625 result = stmnt.executeQuery(); |
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175
diff
changeset
|
1626 if (!result.next()) { |
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diff
changeset
|
1627 logger.debug("no collection item id generated"); |
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diff
changeset
|
1628 return false; |
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diff
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|
1629 } |
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changeset
|
1630 int ci_id = result.getInt(1); |
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diff
changeset
|
1631 reset(); |
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diff
changeset
|
1632 |
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diff
changeset
|
1633 // insert new collection item |
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diff
changeset
|
1634 prepareStatement(SQL_COLLECTION_ITEMS_INSERT); |
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175
diff
changeset
|
1635 stmnt.setInt(1, ci_id); |
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175
diff
changeset
|
1636 stmnt.setInt(2, cid); |
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diff
changeset
|
1637 stmnt.setInt(3, aid); |
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diff
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|
1638 |
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diff
changeset
|
1639 if (data == null) { |
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diff
changeset
|
1640 stmnt.setNull(4, Types.BINARY); |
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|
1641 } |
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changeset
|
1642 else { |
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changeset
|
1643 stmnt.setBytes(4, data); |
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1644 } |
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1645 stmnt.execute(); |
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1646 conn.commit(); |
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1647 |
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|
1648 return true; |
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|
1649 } |
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|
1650 }; |
311
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|
1651 boolean success = exec.runWrite(); |
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Made backend listeners loadable at boot time.
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1652 |
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Made backend listeners loadable at boot time.
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|
1653 if (success) { |
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Made backend listeners loadable at boot time.
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|
1654 fireAddedArtifactToCollection(artifactId, collectionId); |
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Made backend listeners loadable at boot time.
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|
1655 } |
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Made backend listeners loadable at boot time.
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|
1656 |
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Made backend listeners loadable at boot time.
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changeset
|
1657 return success; |
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Made backend listeners loadable at boot time.
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|
1658 } |
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Made backend listeners loadable at boot time.
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|
1659 |
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Made backend listeners loadable at boot time.
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|
1660 protected void fireAddedArtifactToCollection( |
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|
1661 String artifactId, |
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|
1662 String collectionId |
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Made backend listeners loadable at boot time.
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|
1663 ) { |
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Made backend listeners loadable at boot time.
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|
1664 for (BackendListener listener: listeners) { |
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|
1665 listener.addedArtifactToCollection( |
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|
1666 artifactId, collectionId, this); |
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|
1667 } |
156
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1668 } |
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1669 |
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|
1670 public boolean removeCollectionArtifact( |
180
38fbbeffe8fe
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|
1671 final String collectionId, |
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|
1672 final String artifactId |
156
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|
1673 ) { |
180
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|
1674 if (!isValidIdentifier(collectionId)) { |
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1675 logger.debug("Invalid collection id: '" + collectionId + "'"); |
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1676 return false; |
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|
1677 } |
311
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1678 |
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|
1679 boolean success = sqlExecutor.new Instance() { |
180
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1680 public boolean doIt() throws SQLException { |
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1681 |
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|
1682 // fetch id, collection id and artitfact id |
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|
1683 prepareStatement(SQL_COLLECTION_ITEM_ID_CID_AID); |
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|
1684 stmnt.setString(1, collectionId); |
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|
1685 stmnt.setString(2, artifactId); |
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|
1686 result = stmnt.executeQuery(); |
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|
1687 if (!result.next()) { |
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|
1688 logger.debug("No such collection item"); |
38fbbeffe8fe
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|
1689 return false; |
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|
1690 } |
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diff
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|
1691 int id = result.getInt(1); |
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|
1692 int cid = result.getInt(2); |
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|
1693 int aid = result.getInt(3); |
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|
1694 reset(); |
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|
1695 |
38fbbeffe8fe
Added code to remove an artifact from a collection
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diff
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|
1696 // outdate artifact iff it is only in this collection |
38fbbeffe8fe
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changeset
|
1697 prepareStatement(SQL_COLLECTION_ITEM_OUTDATE_ARTIFACT); |
38fbbeffe8fe
Added code to remove an artifact from a collection
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|
1698 stmnt.setInt(1, aid); |
38fbbeffe8fe
Added code to remove an artifact from a collection
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parents:
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diff
changeset
|
1699 stmnt.setInt(2, cid); |
194
fde2f193e846
Small typo fix
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
193
diff
changeset
|
1700 stmnt.setInt(3, aid); |
180
38fbbeffe8fe
Added code to remove an artifact from a collection
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|
1701 stmnt.execute(); |
38fbbeffe8fe
Added code to remove an artifact from a collection
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|
1702 reset(); |
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|
1703 |
38fbbeffe8fe
Added code to remove an artifact from a collection
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|
1704 // delete collection item |
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diff
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|
1705 prepareStatement(SQL_COLLECTION_ITEM_DELETE); |
38fbbeffe8fe
Added code to remove an artifact from a collection
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diff
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|
1706 stmnt.setInt(1, id); |
38fbbeffe8fe
Added code to remove an artifact from a collection
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179
diff
changeset
|
1707 stmnt.execute(); |
38fbbeffe8fe
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diff
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|
1708 reset(); |
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Added code to remove an artifact from a collection
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|
1709 |
38fbbeffe8fe
Added code to remove an artifact from a collection
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diff
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|
1710 // touch collection |
38fbbeffe8fe
Added code to remove an artifact from a collection
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diff
changeset
|
1711 prepareStatement(SQL_COLLECTIONS_TOUCH_BY_ID); |
38fbbeffe8fe
Added code to remove an artifact from a collection
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diff
changeset
|
1712 stmnt.setInt(1, cid); |
38fbbeffe8fe
Added code to remove an artifact from a collection
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diff
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|
1713 stmnt.execute(); |
38fbbeffe8fe
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diff
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|
1714 |
38fbbeffe8fe
Added code to remove an artifact from a collection
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diff
changeset
|
1715 conn.commit(); |
38fbbeffe8fe
Added code to remove an artifact from a collection
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diff
changeset
|
1716 return true; |
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diff
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|
1717 } |
38fbbeffe8fe
Added code to remove an artifact from a collection
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diff
changeset
|
1718 }.runWrite(); |
311
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Made backend listeners loadable at boot time.
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diff
changeset
|
1719 |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1720 if (success) { |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1721 fireRemovedArtifactFromCollection(artifactId, collectionId); |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1722 } |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1723 |
1d517e051e95
Made backend listeners loadable at boot time.
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parents:
310
diff
changeset
|
1724 return success; |
1d517e051e95
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310
diff
changeset
|
1725 } |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1726 |
1d517e051e95
Made backend listeners loadable at boot time.
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parents:
310
diff
changeset
|
1727 protected void fireRemovedArtifactFromCollection( |
1d517e051e95
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diff
changeset
|
1728 String artifactId, |
1d517e051e95
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310
diff
changeset
|
1729 String collectionId |
1d517e051e95
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310
diff
changeset
|
1730 ) { |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1731 for (BackendListener listener: listeners) { |
1d517e051e95
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310
diff
changeset
|
1732 listener.removedArtifactFromCollection( |
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310
diff
changeset
|
1733 artifactId, collectionId, this); |
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diff
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|
1734 } |
156
a76de72ad6d1
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diff
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|
1735 } |
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diff
changeset
|
1736 |
184
a22b7e367b25
Added Backend code to list the collection items in a collection.
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diff
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|
1737 public CollectionItem [] listCollectionArtifacts( |
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|
1738 final String collectionId |
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|
1739 ) { |
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|
1740 if (!isValidIdentifier(collectionId)) { |
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|
1741 logger.debug("Invalid collection id: '" + collectionId + "'"); |
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|
1742 return null; |
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|
1743 } |
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|
1744 |
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|
1745 final ArrayList<CollectionItem> collectionItems = |
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|
1746 new ArrayList<CollectionItem>(); |
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|
1747 |
305
f33401ea2a6c
Artifact database: Refactorized the usage of dialect independent SQL to be reusable.
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303
diff
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|
1748 SQLExecutor.Instance exec = sqlExecutor.new Instance() { |
184
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|
1749 public boolean doIt() throws SQLException { |
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|
1750 prepareStatement(SQL_COLLECTION_ITEMS_LIST_GID); |
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|
1751 stmnt.setString(1, collectionId); |
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|
1752 result = stmnt.executeQuery(); |
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|
1753 while (result.next()) { |
186
15c7638511dc
Added an interface for CollectionItems and renamed the CollectionItem class from the artifact-database package to DefaultCollectionItem - because this is the default implementation of the interface.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
184
diff
changeset
|
1754 CollectionItem item = new DefaultCollectionItem( |
184
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|
1755 result.getString(1), |
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1756 result.getBytes(2)); |
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1757 collectionItems.add(item); |
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1758 } |
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1759 return true; |
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1760 } |
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1761 }; |
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1762 |
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1763 return exec.runRead() |
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1764 ? collectionItems.toArray( |
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1765 new CollectionItem[collectionItems.size()]) |
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1766 : null; |
156
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1767 } |
273
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1768 |
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1769 |
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1770 public boolean setCollectionTTL(final String uuid, final Long ttl) { |
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1771 if (!isValidIdentifier(uuid)) { |
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1772 logger.debug("Invalid collection id: '" + uuid + "'"); |
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1773 return false; |
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1774 } |
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1775 |
305
f33401ea2a6c
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1776 return sqlExecutor.new Instance() { |
273
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1777 public boolean doIt() throws SQLException { |
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1778 prepareStatement(SQL_UPDATE_COLLECTION_TTL); |
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1779 if (ttl == null) { |
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1780 stmnt.setNull(1, Types.BIGINT); |
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1781 } |
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1782 else { |
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1783 stmnt.setLong(1, ttl); |
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1784 } |
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1785 stmnt.setString(2, uuid); |
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1786 stmnt.execute(); |
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1787 conn.commit(); |
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1788 |
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1789 return true; |
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1790 } |
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1791 }.runWrite(); |
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1792 } |
275
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1793 |
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1794 |
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1795 public boolean setCollectionName(final String uuid, final String name) { |
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1796 if (!isValidIdentifier(uuid)) { |
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1797 logger.debug("Invalid collection id: '" + uuid + "'"); |
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1798 return false; |
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1799 } |
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1800 |
311
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1801 boolean success = sqlExecutor.new Instance() { |
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1802 public boolean doIt() throws SQLException { |
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1803 prepareStatement(SQL_UPDATE_COLLECTION_NAME); |
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1804 stmnt.setString(1, name); |
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1805 stmnt.setString(2, uuid); |
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1806 stmnt.execute(); |
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1807 conn.commit(); |
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1808 |
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|
1809 return true; |
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1810 } |
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1811 }.runWrite(); |
311
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1812 |
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1813 if (success) { |
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|
1814 fireSetCollectionName(uuid, name); |
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1815 } |
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1816 |
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|
1817 return success; |
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|
1818 } |
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|
1819 |
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|
1820 protected void fireSetCollectionName(String identifier, String name) { |
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|
1821 for (BackendListener listener: listeners) { |
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|
1822 listener.setCollectionName(identifier, name); |
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1823 } |
275
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|
1824 } |
303
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|
1825 |
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diff
changeset
|
1826 public boolean loadAllArtifacts(final ArtifactLoadedCallback alc) { |
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|
1827 |
308
a077bb098eb4
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diff
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|
1828 logger.debug("loadAllArtifacts"); |
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diff
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|
1829 |
303
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|
1830 if (factoryLookup == null) { |
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diff
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|
1831 logger.error("factory lookup == null"); |
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|
1832 return false; |
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|
1833 } |
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|
1834 |
308
a077bb098eb4
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changeset
|
1835 boolean success = sqlExecutor.new Instance() { |
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|
1836 @Override |
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|
1837 public boolean doIt() throws SQLException { |
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|
1838 // a little cache to avoid too much deserializations. |
308
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changeset
|
1839 LRUCache<String, Artifact> alreadyLoaded = |
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|
1840 new LRUCache<String, Artifact>(200); |
303
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|
1841 |
190aa68ae7a8
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changeset
|
1842 prepareStatement(SQL_ALL_ARTIFACTS); |
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|
1843 result = stmnt.executeQuery(); |
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|
1844 while (result.next()) { |
320
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|
1845 String userId = result.getString("u_gid"); |
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|
1846 String collectionId = result.getString("c_gid"); |
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|
1847 String collectionName = result.getString("c_name"); |
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|
1848 String artifactId = result.getString("a_gid"); |
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|
1849 String factoryName = result.getString("factory"); |
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|
1850 Date collectionCreated = |
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|
1851 new Date(result.getTimestamp("c_creation").getTime()); |
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|
1852 Date artifactCreated = |
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|
1853 new Date(result.getTimestamp("a_creation").getTime()); |
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|
1854 |
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|
1855 Artifact artifact = alreadyLoaded.get(artifactId); |
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|
1856 |
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|
1857 if (artifact != null) { |
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changeset
|
1858 alc.artifactLoaded( |
317
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|
1859 userId, |
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|
1860 collectionId, collectionName, |
320
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|
1861 collectionCreated, |
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|
1862 artifactId, artifactCreated, artifact); |
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1863 continue; |
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1864 } |
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1865 |
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1866 ArtifactFactory factory = factoryLookup |
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1867 .getArtifactFactory(factoryName); |
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1868 |
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1869 if (factory == null) { |
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1870 logger.error("factory '" + factoryName + "' not found"); |
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1871 continue; |
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1872 } |
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1873 |
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1874 byte [] bytes = result.getBytes("data"); |
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1875 |
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1876 artifact = factory.getSerializer().fromBytes(bytes); |
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1877 |
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1878 if (artifact != null) { |
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1879 alc.artifactLoaded( |
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1880 userId, |
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1881 collectionId, collectionName, collectionCreated, |
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1882 artifactId, artifactCreated, artifact); |
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1883 } |
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1884 |
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1885 alreadyLoaded.put(artifactId, artifact); |
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1886 } |
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1887 return true; |
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1888 } |
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1889 }.runRead(); |
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1890 |
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1891 if (logger.isDebugEnabled()) { |
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1892 logger.debug("loadAllArtifacts success: " + success); |
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1893 } |
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1894 |
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1895 return success; |
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1896 } |
314
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1897 |
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1898 @Override |
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1899 public void killedArtifacts(List<String> identifiers) { |
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1900 logger.debug("killedArtifacts"); |
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1901 for (BackendListener listener: listeners) { |
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1902 listener.killedArtifacts(identifiers, this); |
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1903 } |
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1904 } |
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1905 |
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1906 @Override |
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1907 public void killedCollections(List<String> identifiers) { |
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1908 logger.debug("killedCollections"); |
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1909 for (BackendListener listener: listeners) { |
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1910 listener.killedCollections(identifiers, this); |
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1911 } |
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1912 } |
13
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1913 } |
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1914 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |