Mercurial > dive4elements > framework
annotate artifact-database/src/main/java/de/intevation/artifactdatabase/Backend.java @ 311:1d517e051e95
Made backend listeners loadable at boot time.
artifacts/trunk@2436 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Mon, 01 Aug 2011 14:17:09 +0000 |
parents | 63122b9dee1d |
children | fa056f9c8a0c |
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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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Implemented the createCollection() method in the artifact database.
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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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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.
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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_DELETE_ID; |
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100 public String SQL_USERS_DELETE_COLLECTIONS; |
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101 public String SQL_USERS_SELECT_ALL; |
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102 public String SQL_USERS_COLLECTIONS; |
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103 public String SQL_USERS_COLLECTION_IDS; |
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104 public String SQL_USERS_DELETE_ALL_COLLECTIONS; |
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105 public String SQL_ARTIFACTS_IN_ONLY_COLLECTION_ONLY; |
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106 public String SQL_OUTDATE_ARTIFACTS_COLLECTION; |
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107 public String SQL_UPDATE_COLLECTION_TTL; |
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108 public String SQL_UPDATE_COLLECTION_NAME; |
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109 public String SQL_OUTDATE_ARTIFACTS_USER; |
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110 public String SQL_DELETE_USER_COLLECTION_ITEMS; |
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111 public String SQL_COLLECTIONS_NEXT_ID; |
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112 public String SQL_COLLECTIONS_INSERT; |
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113 public String SQL_COLLECTIONS_SELECT_USER; |
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114 public String SQL_COLLECTIONS_SELECT_ALL; |
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115 public String SQL_COLLECTIONS_SELECT_GID; |
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116 public String SQL_COLLECTIONS_CREATION_TIME; |
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117 public String SQL_COLLECTIONS_ID_BY_GID; |
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118 public String SQL_DELETE_COLLECTION_ITEMS; |
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119 public String SQL_DELETE_COLLECTION; |
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120 public String SQL_COLLECTION_CHECK_ARTIFACT; |
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121 public String SQL_COLLECTION_ITEMS_ID_NEXTVAL; |
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122 public String SQL_COLLECTION_ITEMS_INSERT; |
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123 public String SQL_COLLECTION_GET_ATTRIBUTE; |
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124 public String SQL_COLLECTION_SET_ATTRIBUTE; |
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125 public String SQL_COLLECTION_ITEM_GET_ATTRIBUTE; |
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126 public String SQL_COLLECTION_ITEM_SET_ATTRIBUTE; |
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127 public String SQL_COLLECTIONS_TOUCH_BY_GID; |
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128 public String SQL_COLLECTION_ITEM_ID_CID_AID; |
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129 public String SQL_COLLECTION_ITEM_OUTDATE_ARTIFACT; |
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130 public String SQL_COLLECTION_ITEM_DELETE; |
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131 public String SQL_COLLECTIONS_TOUCH_BY_ID; |
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132 public String SQL_COLLECTION_ITEMS_LIST_GID; |
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133 public String SQL_ALL_ARTIFACTS; |
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134 |
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135 /** The singleton.*/ |
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136 protected static Backend instance; |
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137 |
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138 protected SQLExecutor sqlExecutor; |
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139 |
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140 protected List<BackendListener> listeners; |
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141 |
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142 protected DBConfig config; |
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143 |
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144 /** |
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145 * The database cleaner. Reference is stored here because |
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146 * the cleaner is woken up if the backend finds an outdated |
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147 * artifact. This artifact should be removed as soon as |
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148 * possible. |
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149 */ |
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150 protected DatabaseCleaner cleaner; |
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151 |
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152 /** |
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153 * To revive an artifact from the bytes coming from the database |
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154 * we need the artifact factory which references the artifact |
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155 * serializer which is able to do the reviving job. |
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156 */ |
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157 protected FactoryLookup factoryLookup; |
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158 |
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159 /** |
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160 * Little helper interface to decouple the ArtifactDatabase |
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161 * from the Backend. A ArtifactDatabase should depend on a |
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162 * Backend but a Backend not from an ArtifactDatabase. |
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163 */ |
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164 public interface FactoryLookup { |
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165 |
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166 /** |
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167 * Returns an ArtifactFactory which is bound to a given name. |
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168 * @param factoryName The name of the artifact factory. |
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169 * @return The ArtifactFactory bound to the factory name or |
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170 * null if not matching factory is found. |
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171 */ |
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172 ArtifactFactory getArtifactFactory(String factoryName); |
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173 |
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174 } // interface FactoryLookup |
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175 |
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176 /** |
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177 * Inner class that brigdes between the persisten form of the |
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178 * artifact and the living one inside the artifact database. |
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179 * After the describe(), feed(), advance() and out() operations |
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180 * of the artifact it must be possible to write to modified artifact |
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181 * back into the database. |
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182 */ |
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183 public final class PersistentArtifact |
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184 { |
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185 private int id; |
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186 private Artifact artifact; |
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187 private ArtifactSerializer serializer; |
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188 private Long ttl; |
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189 |
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190 /** |
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191 * Cronstructor to create a persistent artifact. |
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192 * @param artifact The living artifact. |
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193 * @param serializer The serializer to store the artifact |
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194 * after the operations. |
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195 * @param ttl The time to life of the artifact. |
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196 * @param id The database id of the artifact. |
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197 */ |
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198 public PersistentArtifact( |
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199 Artifact artifact, |
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200 ArtifactSerializer serializer, |
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201 Long ttl, |
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202 int id |
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203 ) { |
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204 this.id = id; |
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205 this.artifact = artifact; |
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206 this.serializer = serializer; |
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207 this.ttl = ttl; |
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208 } |
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209 |
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210 public int getId() { |
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211 return id; |
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212 } |
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213 |
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214 /** |
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215 * Returns the wrapped living artifact. |
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216 * @return the living artifact. |
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217 */ |
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218 public Artifact getArtifact() { |
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219 return artifact; |
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220 } |
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221 |
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222 /** |
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223 * Returns the serialized which is able to write a |
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224 * modified artifact back into the database. |
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225 * @return The serializer. |
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226 */ |
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227 public ArtifactSerializer getSerializer() { |
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228 return serializer; |
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229 } |
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230 |
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231 /** |
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232 * The time to life of the artifact. |
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233 * @return The time to live. |
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234 */ |
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235 public Long getTTL() { |
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236 return ttl; |
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237 } |
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238 |
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239 /** |
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240 * Stores the living artifact back into the database. |
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241 */ |
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242 public void store() { |
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243 if (logger.isDebugEnabled()) { |
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244 logger.debug("storing artifact id = " + getId()); |
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245 } |
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246 Backend.this.store(this); |
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247 } |
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248 |
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249 /** |
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250 * Only touches the access time of the artifact. |
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251 */ |
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252 public void touch() { |
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253 if (logger.isDebugEnabled()) { |
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254 logger.debug("touching artifact id = " + getId()); |
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255 } |
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256 Backend.this.touch(this); |
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257 } |
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258 } // class ArtifactWithId |
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259 |
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260 /** |
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261 * Default constructor |
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262 */ |
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263 public Backend() { |
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264 listeners = new CopyOnWriteArrayList<BackendListener>(); |
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265 } |
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266 |
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267 public Backend(DBConfig config) { |
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268 this.config = config; |
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269 sqlExecutor = new SQLExecutor(config.getDBConnection()); |
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270 setupSQL(config.getSQL()); |
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271 } |
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272 |
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273 /** |
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274 * Constructor to create a backend with a link to the database cleaner. |
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275 * @param cleaner The clean which periodically removes outdated |
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276 * artifacts from the database. |
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277 */ |
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278 public Backend(DBConfig config, DatabaseCleaner cleaner) { |
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279 this(config); |
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280 this.cleaner = cleaner; |
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281 } |
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282 |
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283 public DBConfig getConfig() { |
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284 return config; |
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285 } |
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286 |
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287 /** |
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288 * Returns the singleton of this Backend. |
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289 * |
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290 * @return the backend. |
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291 */ |
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292 public static synchronized Backend getInstance() { |
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293 if (instance == null) { |
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294 instance = new Backend(DBConfig.getInstance()); |
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295 } |
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296 |
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297 return instance; |
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298 } |
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299 |
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300 protected void setupSQL(SQL sql) { |
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301 SQL_NEXT_ID = sql.get("artifacts.id.nextval"); |
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302 SQL_INSERT = sql.get("artifacts.insert"); |
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303 SQL_UPDATE = sql.get("artifacts.update"); |
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304 SQL_TOUCH = sql.get("artifacts.touch"); |
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305 SQL_LOAD_BY_GID = sql.get("artifacts.select.gid"); |
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306 SQL_GET_ID = sql.get("artifacts.get.id"); |
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307 SQL_REPLACE = sql.get("artifacts.replace"); |
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308 SQL_USERS_NEXT_ID = sql.get("users.id.nextval"); |
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309 SQL_USERS_INSERT = sql.get("users.insert"); |
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310 SQL_USERS_SELECT_ID_BY_GID = sql.get("users.select.id.by.gid"); |
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311 SQL_USERS_SELECT_GID = sql.get("users.select.gid"); |
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312 SQL_USERS_DELETE_ID = sql.get("users.delete.id"); |
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313 SQL_USERS_DELETE_COLLECTIONS = sql.get("users.delete.collections"); |
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314 SQL_USERS_SELECT_ALL = sql.get("users.select.all"); |
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315 SQL_USERS_COLLECTIONS = sql.get("users.collections"); |
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316 SQL_USERS_COLLECTION_IDS = sql.get("users.collection.ids"); |
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317 SQL_USERS_DELETE_ALL_COLLECTIONS = |
307
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318 sql.get("users.delete.collections"); |
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319 SQL_ARTIFACTS_IN_ONLY_COLLECTION_ONLY = |
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320 sql.get("artifacts.in.one.collection.only"); |
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321 SQL_OUTDATE_ARTIFACTS_COLLECTION = |
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322 sql.get("outdate.artifacts.collection"); |
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323 SQL_UPDATE_COLLECTION_TTL = sql.get("collections.update.ttl"); |
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324 SQL_UPDATE_COLLECTION_NAME = sql.get("collections.update.name"); |
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325 SQL_OUTDATE_ARTIFACTS_USER = sql.get("outdate.artifacts.user"); |
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326 SQL_DELETE_USER_COLLECTION_ITEMS = |
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327 sql.get("delete.user.collection.items"); |
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328 SQL_COLLECTIONS_NEXT_ID = sql.get("collections.id.nextval"); |
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329 SQL_COLLECTIONS_INSERT = sql.get("collections.insert"); |
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330 SQL_COLLECTIONS_SELECT_USER = sql.get("collections.select.user"); |
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331 SQL_COLLECTIONS_SELECT_ALL = sql.get("collections.select.all"); |
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332 SQL_COLLECTIONS_SELECT_GID = sql.get("collections.select.by.gid"); |
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333 SQL_COLLECTIONS_CREATION_TIME = sql.get("collection.creation.time"); |
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334 SQL_COLLECTIONS_ID_BY_GID = sql.get("collections.id.by.gid"); |
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335 SQL_DELETE_COLLECTION_ITEMS = sql.get("delete.collection.items"); |
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336 SQL_DELETE_COLLECTION = sql.get("delete.collection"); |
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337 SQL_COLLECTION_CHECK_ARTIFACT = sql.get("collection.check.artifact"); |
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338 SQL_COLLECTION_ITEMS_ID_NEXTVAL = |
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339 sql.get("collection.items.id.nextval"); |
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340 SQL_COLLECTION_ITEMS_INSERT = sql.get("collection.items.insert"); |
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341 SQL_COLLECTION_GET_ATTRIBUTE = sql.get("collection.get.attribute"); |
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342 SQL_COLLECTION_SET_ATTRIBUTE = sql.get("collection.set.attribute"); |
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343 SQL_COLLECTION_ITEM_GET_ATTRIBUTE = |
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344 sql.get("collection.item.get.attribute"); |
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345 SQL_COLLECTION_ITEM_SET_ATTRIBUTE = |
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346 sql.get("collection.item.set.attribute"); |
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347 SQL_COLLECTIONS_TOUCH_BY_GID = sql.get("collections.touch.by.gid"); |
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348 SQL_COLLECTION_ITEM_ID_CID_AID = sql.get("collection.item.id.cid.aid"); |
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349 SQL_COLLECTION_ITEM_OUTDATE_ARTIFACT = |
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350 sql.get("collection.item.outdate.artifact"); |
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351 SQL_COLLECTION_ITEM_DELETE = sql.get("collection.item.delete"); |
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352 SQL_COLLECTIONS_TOUCH_BY_ID = sql.get("collections.touch.by.id"); |
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353 SQL_COLLECTION_ITEMS_LIST_GID = sql.get("collection.items.list.gid"); |
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354 SQL_ALL_ARTIFACTS = sql.get("all.artifacts"); |
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355 } |
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356 |
310
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357 public void addListener(BackendListener listener) { |
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358 listeners.add(listener); |
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359 } |
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360 |
311
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361 public void addAllListeners(List<BackendListener> others) { |
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362 listeners.addAll(others); |
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363 } |
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364 |
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365 /** |
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366 * Sets the factory lookup mechanism to decouple ArtifactDatabase |
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367 * and Backend. |
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368 * @param factoryLookup |
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369 */ |
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370 public void setFactoryLookup(FactoryLookup factoryLookup) { |
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371 this.factoryLookup = factoryLookup; |
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372 } |
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373 |
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374 /** |
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375 * Sets the database cleaner explicitly. |
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376 * @param cleaner The database cleaner |
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377 */ |
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378 public void setCleaner(DatabaseCleaner cleaner) { |
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379 this.cleaner = cleaner; |
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380 } |
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381 |
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382 /** |
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383 * Returns a new unique identifier to external identify |
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384 * the artifact across the system. This implementation |
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385 * uses random UUIDs v4 to achieve this target. |
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386 * @return the new identifier |
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387 */ |
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388 public String newIdentifier() { |
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389 // TODO: check database for collisions. |
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390 return StringUtils.newUUID(); |
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391 } |
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392 |
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393 public boolean isValidIdentifier(String identifier) { |
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394 return StringUtils.checkUUID(identifier); |
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395 } |
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396 |
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397 /** |
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398 * Stores a new artifact into the database. |
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399 * @param artifact The artifact to be stored |
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400 * @param factory The factory which build the artifact |
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401 * @param ttl The initial time to life of the artifact. |
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402 * @return A persistent wrapper around the living |
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403 * artifact to be able to write modification later. |
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404 * @throws Exception Thrown if something went wrong with the |
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405 * storage process. |
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406 */ |
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407 public PersistentArtifact storeInitially( |
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408 Artifact artifact, |
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409 ArtifactFactory factory, |
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410 Long ttl |
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411 ) |
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412 throws Exception |
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413 { |
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414 return new PersistentArtifact( |
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415 artifact, |
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416 factory.getSerializer(), |
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417 ttl, |
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418 insertDatabase(artifact, factory, ttl)); |
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419 } |
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420 |
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421 /** |
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422 * Stores an artifact into database if it does not exist there. |
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423 * If it exists there it is only updated. |
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424 * @param artifact The artifact to store/update. |
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425 * @param factory The factory which created the artifact. |
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426 * @param ttl The initial time to live of the artifact. |
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427 * @return A persistent version of the artifact to be able |
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428 * to store a modification later. |
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429 * @throws Exception Thrown if something went wrong during |
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430 * storing/updating. |
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431 */ |
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432 public PersistentArtifact storeOrReplace( |
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433 Artifact artifact, |
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434 ArtifactFactory factory, |
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435 Long ttl |
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436 ) |
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437 throws Exception |
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438 { |
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439 return new PersistentArtifact( |
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440 artifact, |
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441 factory.getSerializer(), |
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442 ttl, |
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443 storeOrReplaceDatabase(artifact, factory, ttl)); |
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444 } |
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445 |
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446 /** |
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447 * Implementors of this interface are able to process the raw |
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448 * artifact data from the database for loading. |
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449 */ |
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450 public interface ArtifactLoader { |
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451 |
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452 /** |
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453 * Creates a custom object from the raw artifact database data. |
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454 * @param factory The factory that created this artifact. |
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455 * @param ttl The current time to life of the artifact. |
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456 * @param bytes The raw artifact bytes from the database. |
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457 * @param id The database id of the artifact. |
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458 * @return The custom object created by the implementation. |
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459 */ |
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460 Object load(ArtifactFactory factory, Long ttl, byte [] bytes, int id); |
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461 |
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462 } // interface ArtifactLoader |
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463 |
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464 /** |
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465 * Fetches an artifact from the database identified by the |
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466 * given identifier. |
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467 * @param identifer The identifier of the artifact. |
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468 * @return A persistent wrapper around the found artifact |
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469 * to be able to write back a modifaction later or null |
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470 * if no artifact is found for this identifier. |
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471 */ |
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472 public PersistentArtifact getArtifact(String identifer) { |
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473 |
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474 return (PersistentArtifact)loadArtifact( |
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475 identifer, |
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476 new ArtifactLoader() { |
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477 |
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478 public Object load( |
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479 ArtifactFactory factory, |
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480 Long ttl, |
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481 byte [] bytes, |
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482 int id |
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483 ) { |
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484 ArtifactSerializer serializer = factory.getSerializer(); |
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485 |
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486 Artifact artifact = serializer.fromBytes(bytes); |
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487 |
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488 return artifact == null |
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489 ? null |
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490 : new PersistentArtifact(artifact, serializer, ttl, id); |
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491 } |
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492 }); |
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493 } |
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494 |
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495 /** |
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496 * More general loading mechanism for artifacts. The concrete |
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497 * load processing is delegated to the given loader. |
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498 * @param identifer The identifier of the artifact. |
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499 * @param loader The loader which processes the raw database data. |
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500 * @return The object created by the loader. |
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501 */ |
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502 public Object loadArtifact( |
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503 final String identifer, |
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504 final ArtifactLoader loader |
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505 ) { |
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506 if (!isValidIdentifier(identifer)) { |
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507 return null; |
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508 } |
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509 |
303
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510 if (factoryLookup == null) { |
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511 logger.error("factory lookup == null"); |
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512 return false; |
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513 } |
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514 |
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515 final Object [] loaded = new Object[1]; |
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516 |
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517 SQLExecutor.Instance exec = sqlExecutor.new Instance() { |
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518 public boolean doIt() throws SQLException { |
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519 prepareStatement(SQL_LOAD_BY_GID); |
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520 stmnt.setString(1, identifer); |
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521 |
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522 result = stmnt.executeQuery(); |
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523 |
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524 if (!result.next()) { |
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525 return false; |
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526 } |
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527 |
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528 int id = result.getInt(1); |
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529 long ttlX = result.getLong(2); |
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530 Long ttl = result.wasNull() ? null : ttlX; |
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531 |
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532 String factoryName = result.getString(3); |
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533 |
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534 ArtifactFactory factory = factoryLookup |
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535 .getArtifactFactory(factoryName); |
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536 |
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537 if (factory == null) { |
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538 logger.error("factory '" + factoryName + "' not found"); |
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539 return false; |
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540 } |
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541 |
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542 byte [] bytes = result.getBytes(4); |
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543 |
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544 loaded[0] = loader.load(factory, ttl, bytes, id); |
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545 return true; |
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546 } |
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547 }; |
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548 |
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549 return exec.runRead() ? loaded[0] : null; |
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550 } |
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551 |
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552 /** |
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553 * Called if the load mechanism found an outdated artifact. |
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554 * It wakes up the database cleaner. |
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555 * @param id The id of the outdated artifact. |
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556 */ |
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557 protected void artifactOutdated(int id) { |
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558 if (logger.isDebugEnabled()) { |
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559 logger.info("artifactOutdated: id = " + id); |
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560 } |
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561 if (cleaner != null) { |
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562 cleaner.wakeup(); |
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563 } |
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564 } |
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565 |
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566 public Artifact reviveArtifact(String factoryName, byte [] bytes) { |
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567 if (factoryLookup == null) { |
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568 logger.error("reviveArtifact: factory lookup == null"); |
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569 return null; |
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570 } |
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571 ArtifactFactory factory = factoryLookup |
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572 .getArtifactFactory(factoryName); |
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573 |
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574 if (factory == null) { |
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575 logger.error( |
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576 "reviveArtifact: no factory '" + factoryName + "' found"); |
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577 return null; |
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578 } |
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579 |
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580 ArtifactSerializer serializer = factory.getSerializer(); |
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581 |
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582 return serializer.fromBytes(bytes); |
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583 } |
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584 |
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585 /** |
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586 * Internal method to store/replace an artifact inside the database. |
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587 * If an artifact with the given identifier does not exists it is |
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588 * created else only the content data is updated. |
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589 * @param artifact The artifact to be store/update inside the database. |
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590 * @param factory The factory that created the artifact. |
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591 * @param ttl The initial time to life of the artifact. |
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592 * @return The database id of the stored/updated artifact. |
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593 */ |
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594 protected int storeOrReplaceDatabase( |
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595 final Artifact artifact, |
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596 final ArtifactFactory factory, |
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597 final Long ttl |
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598 ) { |
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599 final String uuid = artifact.identifier(); |
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600 |
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601 if (!isValidIdentifier(uuid)) { |
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602 throw new RuntimeException("No valid UUID"); |
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603 } |
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604 |
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605 final int [] id = new int[1]; |
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606 |
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607 SQLExecutor.Instance exec = sqlExecutor.new Instance() { |
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608 public boolean doIt() throws SQLException { |
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609 |
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610 prepareStatement(SQL_GET_ID); |
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611 stmnt.setString(1, uuid); |
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612 result = stmnt.executeQuery(); |
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613 |
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614 Integer ID = result.next() |
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615 ? Integer.valueOf(result.getInt(1)) |
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616 : null; |
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617 |
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618 reset(); |
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619 |
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620 if (ID != null) { // already in database |
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621 prepareStatement(SQL_REPLACE); |
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622 |
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623 if (ttl == null) { |
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624 stmnt.setNull(1, Types.BIGINT); |
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625 } |
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626 else { |
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627 stmnt.setLong(1, ttl.longValue()); |
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628 } |
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629 |
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630 stmnt.setString(2, factory.getName()); |
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631 stmnt.setBytes( |
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632 3, |
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633 factory.getSerializer().toBytes(artifact)); |
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634 id[0] = ID.intValue(); |
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635 stmnt.setInt(4, id[0]); |
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636 } |
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637 else { // new artifact |
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638 prepareStatement(SQL_NEXT_ID); |
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639 result = stmnt.executeQuery(); |
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640 |
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641 if (!result.next()) { |
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642 logger.error("No id generated"); |
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643 return false; |
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644 } |
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645 |
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646 reset(); |
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647 |
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648 prepareStatement(SQL_INSERT); |
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649 |
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650 id[0] = result.getInt(1); |
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651 stmnt.setInt(1, id[0]); |
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652 stmnt.setString(2, uuid); |
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653 if (ttl == null) { |
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654 stmnt.setNull(3, Types.BIGINT); |
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655 } |
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656 else { |
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657 stmnt.setLong(3, ttl.longValue()); |
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658 } |
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659 |
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660 stmnt.setString(4, factory.getName()); |
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661 |
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662 stmnt.setBytes( |
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663 5, |
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664 factory.getSerializer().toBytes(artifact)); |
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665 } |
174
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666 stmnt.execute(); |
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667 conn.commit(); |
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668 return true; |
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669 } |
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670 }; |
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671 |
174
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672 if (!exec.runWrite()) { |
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673 throw new RuntimeException("failed insert artifact into database"); |
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674 } |
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675 |
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676 return id[0]; |
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677 } |
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678 |
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679 /** |
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680 * Internal method to store an artifact inside the database. |
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681 * @param artifact The artifact to be stored. |
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682 * @param factory The factory which created the artifact. |
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683 * @param ttl The initial time to live of the artifact. |
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684 * @return The database id of the stored artifact. |
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685 */ |
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686 protected int insertDatabase( |
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687 final Artifact artifact, |
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688 final ArtifactFactory factory, |
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689 final Long ttl |
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690 ) { |
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691 final int [] id = new int[1]; |
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692 |
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693 SQLExecutor.Instance exec = sqlExecutor.new Instance() { |
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694 public boolean doIt() throws SQLException { |
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695 prepareStatement(SQL_NEXT_ID); |
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696 result = stmnt.executeQuery(); |
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697 |
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698 if (!result.next()) { |
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699 logger.error("No id generated"); |
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700 return false; |
80
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701 } |
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702 |
174
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703 id[0] = result.getInt(1); |
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704 |
174
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705 reset(); |
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706 prepareStatement(SQL_INSERT); |
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707 |
174
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708 String uuid = artifact.identifier(); |
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709 stmnt.setInt(1, id[0]); |
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710 stmnt.setString(2, uuid); |
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711 if (ttl == null) { |
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712 stmnt.setNull(3, Types.BIGINT); |
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713 } |
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714 else { |
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715 stmnt.setLong(3, ttl.longValue()); |
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716 } |
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717 |
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718 stmnt.setString(4, factory.getName()); |
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719 |
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720 stmnt.setBytes( |
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721 5, |
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722 factory.getSerializer().toBytes(artifact)); |
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723 |
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724 stmnt.execute(); |
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725 |
174
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726 conn.commit(); |
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727 return true; |
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728 } |
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729 }; |
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730 |
174
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731 if (!exec.runWrite()) { |
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732 throw new RuntimeException("failed insert artifact into database"); |
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733 } |
174
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734 |
311
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735 fireCreatedArtifact(artifact); |
310
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736 |
174
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737 return id[0]; |
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738 } |
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739 |
311
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740 protected void fireCreatedArtifact(Artifact artifact) { |
310
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741 for (BackendListener listener: listeners) { |
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742 listener.createdArtifact(artifact, this); |
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743 } |
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744 } |
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745 |
90
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746 /** |
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747 * Touches the access timestamp of a given artifact to prevent |
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748 * that it will be removed from the database by the database cleaner. |
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749 * @param artifact The persistent wrapper around the living artifact. |
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750 */ |
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751 public void touch(final PersistentArtifact artifact) { |
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752 sqlExecutor.new Instance() { |
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753 public boolean doIt() throws SQLException { |
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754 prepareStatement(SQL_TOUCH); |
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755 stmnt.setInt(1, artifact.getId()); |
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756 stmnt.execute(); |
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757 conn.commit(); |
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758 return true; |
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759 } |
174
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760 }.runWrite(); |
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761 } |
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|
762 |
90
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More javadoc.
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|
763 /** |
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764 * Writes modification of an artifact back to the database. |
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765 * @param artifact The persistent wrapper around a living |
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766 * artifact. |
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767 */ |
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768 public void store(final PersistentArtifact artifact) { |
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769 boolean success = sqlExecutor.new Instance() { |
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770 public boolean doIt() throws SQLException { |
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771 prepareStatement(SQL_UPDATE); |
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772 stmnt.setInt(2, artifact.getId()); |
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773 |
174
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774 byte [] bytes = artifact |
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775 .getSerializer() |
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776 .toBytes(artifact.getArtifact()); |
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777 |
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778 stmnt.setBytes(1, bytes); |
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779 stmnt.execute(); |
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780 conn.commit(); |
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781 return true; |
26
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782 } |
174
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783 }.runWrite(); |
310
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784 |
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|
785 if (success) { |
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786 fireStoredArtifact(artifact.getArtifact()); |
310
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787 } |
14
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788 } |
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789 |
311
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790 protected void fireStoredArtifact(Artifact artifact) { |
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791 for (BackendListener listener: listeners) { |
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|
792 listener.storedArtifact(artifact, this); |
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793 } |
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794 } |
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|
795 |
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796 |
133
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797 public User createUser( |
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798 final String name, |
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799 final Document role, |
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800 final UserFactory factory, |
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801 final Object context |
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802 ) { |
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803 final User [] user = new User[1]; |
138
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804 |
235
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805 final byte [] roleData = XMLUtils.toByteArray(role, true); |
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806 |
305
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807 SQLExecutor.Instance exec = sqlExecutor.new Instance() { |
174
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808 public boolean doIt() throws SQLException { |
138
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809 |
174
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810 prepareStatement(SQL_USERS_NEXT_ID); |
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811 result = stmnt.executeQuery(); |
138
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812 |
146
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813 if (!result.next()) { |
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814 return false; |
138
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815 } |
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816 |
145
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817 int id = result.getInt(1); |
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818 |
174
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819 reset(); |
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820 |
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821 String identifier = newIdentifier(); |
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822 |
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823 prepareStatement(SQL_USERS_INSERT); |
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824 |
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825 stmnt.setInt(1, id); |
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826 stmnt.setString(2, identifier); |
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827 stmnt.setString(3, name); |
138
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828 |
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829 if (roleData == null) { |
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830 stmnt.setNull(4, Types.BIGINT); |
138
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831 } |
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832 else { |
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833 stmnt.setBytes(4, roleData); |
138
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|
834 } |
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|
835 |
174
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836 stmnt.execute(); |
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837 conn.commit(); |
138
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|
838 |
174
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839 user[0] = factory.createUser( |
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840 identifier, name, role, context); |
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841 return true; |
138
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|
842 } |
174
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843 }; |
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|
844 |
311
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|
845 boolean success = exec.runWrite(); |
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|
846 |
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|
847 if (success) { |
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|
848 fireCreatedUser(user[0]); |
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|
849 return user[0]; |
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|
850 } |
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|
851 |
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|
852 return null; |
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|
853 } |
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|
854 |
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|
855 protected void fireCreatedUser(User user) { |
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|
856 for (BackendListener listener: listeners) { |
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|
857 listener.createdUser(user, this); |
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|
858 } |
133
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|
859 } |
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|
860 |
174
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|
861 public boolean deleteUser(final String identifier) { |
144
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|
862 |
177
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Backend: isIdentifierValid more symmetric to new newIndentifier
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|
863 if (!isValidIdentifier(identifier)) { |
154
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|
864 return false; |
147
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|
865 } |
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|
866 |
305
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|
867 SQLExecutor.Instance exec = sqlExecutor.new Instance() { |
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|
868 public boolean doIt() throws SQLException { |
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|
869 prepareStatement(SQL_USERS_SELECT_ID_BY_GID); |
144
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|
870 |
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871 stmnt.setString(1, identifier); |
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872 result = stmnt.executeQuery(); |
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873 |
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874 if (!result.next()) { // No such user |
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875 return false; |
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876 } |
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877 |
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878 int id = result.getInt(1); |
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879 |
174
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880 reset(); |
144
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881 |
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882 // outdate the artifacts exclusively used by the user |
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883 |
174
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884 prepareStatement(SQL_OUTDATE_ARTIFACTS_USER); |
144
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885 stmnt.setInt(1, id); |
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886 stmnt.setInt(2, id); |
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887 stmnt.execute(); |
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888 |
174
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889 reset(); |
144
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890 |
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891 // delete the collection items of the user |
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892 |
174
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893 prepareStatement(SQL_DELETE_USER_COLLECTION_ITEMS); |
144
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894 stmnt.setInt(1, id); |
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|
895 stmnt.execute(); |
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896 |
174
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897 reset(); |
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898 |
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899 // delete the collections of the user |
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900 |
174
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901 prepareStatement(SQL_USERS_DELETE_COLLECTIONS); |
144
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902 stmnt.setInt(1, id); |
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903 stmnt.execute(); |
174
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904 |
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|
905 reset(); |
144
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|
906 |
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|
907 // delete the user |
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908 |
174
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909 prepareStatement(SQL_USERS_DELETE_ID); |
144
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|
910 stmnt.setInt(1, id); |
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|
911 stmnt.execute(); |
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|
912 |
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|
913 conn.commit(); |
154
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|
914 return true; |
144
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915 } |
174
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|
916 }; |
154
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|
917 |
311
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|
918 boolean success = exec.runWrite(); |
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Made backend listeners loadable at boot time.
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diff
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|
919 |
1d517e051e95
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diff
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|
920 if (success) { |
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diff
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|
921 fireDeletedUser(identifier); |
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|
922 } |
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|
923 |
1d517e051e95
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diff
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|
924 return success; |
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|
925 } |
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|
926 |
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|
927 protected void fireDeletedUser(String identifier) { |
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|
928 for (BackendListener listener: listeners) { |
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diff
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|
929 listener.deletedUser(identifier, this); |
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|
930 } |
133
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diff
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|
931 } |
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|
932 |
157
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diff
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|
933 public User getUser( |
233
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diff
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|
934 final String identifier, |
174
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|
935 final UserFactory factory, |
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|
936 final Object context |
157
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|
937 ) { |
177
77cd37a93fca
Backend: isIdentifierValid more symmetric to new newIndentifier
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176
diff
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|
938 if (!isValidIdentifier(identifier)) { |
147
9a64e0c1c737
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diff
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|
939 logger.debug("Invalid UUID: '" + identifier + "'"); |
9a64e0c1c737
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diff
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|
940 return null; |
9a64e0c1c737
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diff
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|
941 } |
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diff
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|
942 |
174
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|
943 final User [] user = new User[1]; |
147
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diff
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|
944 |
305
f33401ea2a6c
Artifact database: Refactorized the usage of dialect independent SQL to be reusable.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
303
diff
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|
945 SQLExecutor.Instance exec = sqlExecutor.new Instance() { |
174
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|
946 public boolean doIt() throws SQLException { |
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|
947 prepareStatement(SQL_USERS_SELECT_GID); |
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|
948 stmnt.setString(1, identifier); |
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diff
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|
949 result = stmnt.executeQuery(); |
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|
950 if (!result.next()) { // no such user |
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|
951 return false; |
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Reduce the code repetition and the complexity of the backend.
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diff
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|
952 } |
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diff
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|
953 // omit id |
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Reduce the code repetition and the complexity of the backend.
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diff
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|
954 String name = result.getString(2); |
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Reduce the code repetition and the complexity of the backend.
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diff
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|
955 byte [] roleData = result.getBytes(3); |
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Reduce the code repetition and the complexity of the backend.
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diff
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|
956 |
235
3e29395ebac6
The XML documents stored aside users, collections and collection items are now compressed/decompressed transparently.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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233
diff
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|
957 Document role = XMLUtils.fromByteArray(roleData, true); |
174
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|
958 |
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diff
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|
959 user[0] = factory.createUser( |
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diff
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|
960 identifier, name, role, context); |
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|
961 return true; |
147
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diff
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|
962 } |
174
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|
963 }; |
147
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diff
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|
964 |
174
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|
965 return exec.runRead() ? user[0] : null; |
133
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diff
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|
966 } |
2950c6011afa
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diff
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|
967 |
174
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|
968 public User [] getUsers( |
233
16cd059945e5
Removed trailing whitespace.
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230
diff
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|
969 final UserFactory factory, |
174
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|
970 final Object context |
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|
971 ) { |
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|
972 final ArrayList<User> users = new ArrayList<User>(); |
148
101a52d3ad08
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diff
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|
973 |
305
f33401ea2a6c
Artifact database: Refactorized the usage of dialect independent SQL to be reusable.
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diff
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|
974 SQLExecutor.Instance exec = sqlExecutor.new Instance() { |
174
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|
975 public boolean doIt() throws SQLException { |
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|
976 prepareStatement(SQL_USERS_SELECT_ALL); |
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|
977 result = stmnt.executeQuery(); |
148
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|
978 |
174
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changeset
|
979 while (result.next()) { |
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|
980 // omit id |
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|
981 String identifier = result.getString(2); |
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|
982 String name = result.getString(3); |
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|
983 byte [] roleData = result.getBytes(4); |
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984 |
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985 Document role = XMLUtils.fromByteArray(roleData, true); |
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986 User user = factory.createUser( |
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987 identifier, name, role, context); |
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988 users.add(user); |
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989 } |
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990 return true; |
148
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991 } |
174
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992 }; |
148
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|
993 |
174
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994 return exec.runRead() |
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995 ? users.toArray(new User[users.size()]) |
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996 : null; |
133
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diff
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|
997 } |
156
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diff
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|
998 |
159
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999 public ArtifactCollection createCollection( |
233
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1000 final String ownerIdentifier, |
174
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1001 final String name, |
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1002 final ArtifactCollectionFactory factory, |
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1003 final Document attribute, |
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1004 final Object context |
159
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1005 ) { |
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1006 if (name == null) { |
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1007 logger.debug("Name is null"); |
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1008 return null; |
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1009 } |
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1010 |
177
77cd37a93fca
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1011 if (!isValidIdentifier(ownerIdentifier)) { |
159
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1012 logger.debug("Invalid owner id: '" + ownerIdentifier + "'"); |
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1013 return null; |
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1014 } |
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|
1015 |
235
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|
1016 final ArtifactCollection [] collection = new ArtifactCollection[1]; |
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1017 |
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|
1018 final byte [] data = XMLUtils.toByteArray(attribute, true); |
159
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|
1019 |
305
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303
diff
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|
1020 SQLExecutor.Instance exec = sqlExecutor.new Instance() { |
174
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1021 public boolean doIt() throws SQLException { |
159
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|
1022 // fetch owner id |
174
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|
1023 prepareStatement(SQL_USERS_SELECT_ID_BY_GID); |
159
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1024 stmnt.setString(1, ownerIdentifier); |
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1025 result = stmnt.executeQuery(); |
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1026 |
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1027 if (!result.next()) { // no such user |
174
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1028 return false; |
159
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|
1029 } |
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|
1030 |
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|
1031 int ownerId = result.getInt(1); |
174
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|
1032 reset(); |
159
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|
1033 |
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|
1034 // fetch new collection seq number. |
174
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|
1035 prepareStatement(SQL_COLLECTIONS_NEXT_ID); |
159
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|
1036 result = stmnt.executeQuery(); |
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|
1037 |
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|
1038 if (!result.next()) { // no identifier generated |
174
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|
1039 return false; |
159
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diff
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|
1040 } |
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158
diff
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|
1041 |
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|
1042 int id = result.getInt(1); |
174
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|
1043 reset(); |
159
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diff
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|
1044 |
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diff
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|
1045 String identifier = newIdentifier(); |
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diff
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|
1046 |
174
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diff
changeset
|
1047 prepareStatement(SQL_COLLECTIONS_INSERT); |
159
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diff
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|
1048 |
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diff
changeset
|
1049 stmnt.setInt(1, id); |
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diff
changeset
|
1050 stmnt.setString(2, identifier); |
161
e4a1562dfc21
Bugfixed the collection creation in the Backend.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
159
diff
changeset
|
1051 stmnt.setString(3, name); |
e4a1562dfc21
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parents:
159
diff
changeset
|
1052 stmnt.setInt(4, ownerId); |
159
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diff
changeset
|
1053 |
db0d20440b92
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158
diff
changeset
|
1054 // XXX: A bit odd: we don't have a collection, yet. |
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diff
changeset
|
1055 Long ttl = factory.timeToLiveUntouched(null, context); |
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diff
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|
1056 |
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158
diff
changeset
|
1057 if (ttl == null) { |
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diff
changeset
|
1058 stmnt.setNull(5, Types.BIGINT); |
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158
diff
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|
1059 } |
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diff
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|
1060 else { |
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|
1061 stmnt.setLong(5, ttl); |
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diff
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|
1062 } |
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diff
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|
1063 |
199
face2302387c
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diff
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|
1064 if (data == null) { |
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diff
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|
1065 stmnt.setNull(6, Types.BINARY); |
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|
1066 } |
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|
1067 else { |
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diff
changeset
|
1068 stmnt.setBytes(6, data); |
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194
diff
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|
1069 } |
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diff
changeset
|
1070 |
159
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diff
changeset
|
1071 stmnt.execute(); |
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changeset
|
1072 conn.commit(); |
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|
1073 |
174
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|
1074 reset(); |
170
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diff
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|
1075 |
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diff
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|
1076 // fetch creation time from database |
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diff
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|
1077 // done this way to use the time system |
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|
1078 // of the database. |
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|
1079 |
174
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|
1080 prepareStatement(SQL_COLLECTIONS_CREATION_TIME); |
170
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|
1081 stmnt.setInt(1, id); |
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|
1082 |
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|
1083 result = stmnt.executeQuery(); |
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|
1084 |
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changeset
|
1085 Date creationTime = null; |
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|
1086 |
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|
1087 if (result.next()) { |
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|
1088 Timestamp timestamp = result.getTimestamp(1); |
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|
1089 creationTime = new Date(timestamp.getTime()); |
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|
1090 } |
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|
1091 |
174
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changeset
|
1092 collection[0] = factory.createCollection( |
281
942a54670a72
Made the TTL of a Collection retrievable via getter method.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
275
diff
changeset
|
1093 identifier, name, creationTime, ttl, attribute, context); |
174
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|
1094 |
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|
1095 return true; |
159
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1096 } |
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1097 }; |
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1098 |
311
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1099 boolean success = exec.runWrite(); |
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1100 |
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1101 if (success) { |
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1102 fireCreatedCollection(collection[0]); |
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1103 return collection[0]; |
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1104 } |
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1105 return null; |
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1106 } |
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1107 |
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1108 protected void fireCreatedCollection(ArtifactCollection collection) { |
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1109 for (BackendListener listener: listeners) { |
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1110 listener.createdCollection(collection, this); |
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1111 } |
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1112 } |
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1113 |
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1114 public ArtifactCollection getCollection( |
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1115 final String collectionId, |
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1116 final ArtifactCollectionFactory collectionFactory, |
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1117 final UserFactory userFactory, |
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1118 final Object context |
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1119 ) { |
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1120 if (!isValidIdentifier(collectionId)) { |
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1121 logger.debug("collection id is not valid: " + collectionId); |
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1122 return null; |
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1123 } |
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1124 |
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1125 final ArtifactCollection[] ac = new ArtifactCollection[1]; |
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1126 |
305
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1127 SQLExecutor.Instance exec = sqlExecutor.new Instance() { |
217
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1128 public boolean doIt() throws SQLException { |
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1129 |
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1130 prepareStatement(SQL_COLLECTIONS_SELECT_GID); |
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1131 stmnt.setString(1, collectionId); |
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1132 |
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1133 result = stmnt.executeQuery(); |
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1134 if (!result.next()) { |
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1135 logger.debug("No such collection"); |
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1136 return false; |
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1137 } |
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1138 |
235
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1139 String collectionName = result.getString(2); |
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1140 String ownerId = result.getString(3); |
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1141 Date creationTime = |
217
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1142 new Date(result.getTimestamp(4).getTime()); |
235
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1143 Date lastAccess = |
217
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1144 new Date(result.getTimestamp(5).getTime()); |
235
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1145 Document attr = |
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1146 XMLUtils.fromByteArray(result.getBytes(6), true); |
281
942a54670a72
Made the TTL of a Collection retrievable via getter method.
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diff
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|
1147 long ttl = result.getLong(7); |
217
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1148 |
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|
1149 ArtifactCollection collection = |
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|
1150 collectionFactory.createCollection( |
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diff
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|
1151 collectionId, |
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diff
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|
1152 collectionName, |
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206
diff
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|
1153 creationTime, |
281
942a54670a72
Made the TTL of a Collection retrievable via getter method.
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275
diff
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|
1154 ttl, |
217
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diff
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|
1155 attr, |
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|
1156 context); |
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|
1157 |
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206
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|
1158 if (ownerId != null) { |
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|
1159 collection.setUser(new LazyBackendUser( |
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|
1160 ownerId, userFactory, Backend.this, context)); |
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|
1161 } |
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|
1162 |
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|
1163 ac[0] = collection; |
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|
1164 |
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|
1165 return true; |
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|
1166 } |
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|
1167 }; |
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1168 |
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|
1169 return exec.runRead() ? ac[0] : null; |
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|
1170 } |
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|
1171 |
164
268c2972d4a7
Implemented the interface method listCollections() in the artifact database.
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|
1172 public ArtifactCollection [] listCollections( |
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1173 final String ownerIdentifier, |
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1174 final Document data, |
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1175 final ArtifactCollectionFactory collectionFactory, |
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1176 final UserFactory userFactory, |
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1177 final Object context |
167
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|
1178 ) { |
233
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|
1179 if (ownerIdentifier != null |
177
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|
1180 && !isValidIdentifier(ownerIdentifier)) { |
167
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|
1181 logger.debug("Invalid owner id: '" + ownerIdentifier + "'"); |
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1182 return null; |
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1183 } |
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1184 |
174
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|
1185 final ArrayList<ArtifactCollection> collections = |
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|
1186 new ArrayList<ArtifactCollection>(); |
167
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1187 |
305
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|
1188 SQLExecutor.Instance exec = sqlExecutor.new Instance() { |
167
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1189 |
174
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|
1190 public boolean doIt() throws SQLException { |
167
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1191 |
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1192 if (ownerIdentifier != null) { |
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|
1193 prepareStatement(SQL_COLLECTIONS_SELECT_USER); |
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1194 stmnt.setString(1, ownerIdentifier); |
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1195 } |
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1196 else { |
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|
1197 prepareStatement(SQL_COLLECTIONS_SELECT_ALL); |
167
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1198 } |
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1199 |
174
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|
1200 result = stmnt.executeQuery(); |
167
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1201 |
235
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1202 HashMap<String, LazyBackendUser> users = |
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1203 new HashMap<String, LazyBackendUser>(); |
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1204 |
174
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1205 while (result.next()) { |
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1206 String collectionIdentifier = result.getString(1); |
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1207 String collectionName = result.getString(2); |
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1208 Date creationTime = |
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1209 new Date(result.getTimestamp(3).getTime()); |
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1210 String userIdentifier = result.getString(4); |
281
942a54670a72
Made the TTL of a Collection retrievable via getter method.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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275
diff
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|
1211 long ttl = result.getLong(5); |
174
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1212 |
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|
1213 ArtifactCollection collection = |
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|
1214 collectionFactory.createCollection( |
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1215 collectionIdentifier, |
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1216 collectionName, |
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diff
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|
1217 creationTime, |
281
942a54670a72
Made the TTL of a Collection retrievable via getter method.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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275
diff
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|
1218 ttl, |
174
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|
1219 data, |
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|
1220 context); |
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|
1221 |
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Reduce the code repetition and the complexity of the backend.
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|
1222 if (userIdentifier != null) { |
235
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1223 LazyBackendUser user = users.get(userIdentifier); |
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1224 if (user == null) { |
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|
1225 user = new LazyBackendUser( |
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|
1226 userIdentifier, userFactory, |
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|
1227 Backend.this, context); |
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1228 users.put(userIdentifier, user); |
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1229 } |
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|
1230 collection.setUser(user); |
174
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|
1231 } |
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|
1232 |
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|
1233 collections.add(collection); |
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1234 } |
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|
1235 return true; |
167
c9c27aca2f70
Added code to list collections.
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diff
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|
1236 } |
174
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|
1237 }; |
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1238 |
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|
1239 return exec.runRead() |
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|
1240 ? collections.toArray(new ArtifactCollection[collections.size()]) |
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1241 : null; |
156
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|
1242 } |
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|
1243 |
174
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diff
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|
1244 |
175
16e6e661e6bf
Added code to delete collections.
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parents:
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diff
changeset
|
1245 public boolean deleteCollection(final String collectionId) { |
177
77cd37a93fca
Backend: isIdentifierValid more symmetric to new newIndentifier
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
176
diff
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|
1246 if (!isValidIdentifier(collectionId)) { |
175
16e6e661e6bf
Added code to delete collections.
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diff
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|
1247 logger.debug("Invalid collection id: '" + collectionId + "'"); |
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diff
changeset
|
1248 return false; |
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Added code to delete collections.
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174
diff
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|
1249 } |
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
|
1250 SQLExecutor.Instance exec = sqlExecutor.new Instance() { |
175
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Added code to delete collections.
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diff
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|
1251 public boolean doIt() throws SQLException { |
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diff
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|
1252 // fetch collection id |
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Added code to delete collections.
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diff
changeset
|
1253 prepareStatement(SQL_COLLECTIONS_ID_BY_GID); |
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Added code to delete collections.
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174
diff
changeset
|
1254 stmnt.setString(1, collectionId); |
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Added code to delete collections.
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174
diff
changeset
|
1255 result = stmnt.executeQuery(); |
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Added code to delete collections.
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174
diff
changeset
|
1256 if (!result.next()) { |
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Added code to delete collections.
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174
diff
changeset
|
1257 logger.debug("No such collection: " + collectionId); |
16e6e661e6bf
Added code to delete collections.
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parents:
174
diff
changeset
|
1258 return false; |
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Added code to delete collections.
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parents:
174
diff
changeset
|
1259 } |
16e6e661e6bf
Added code to delete collections.
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parents:
174
diff
changeset
|
1260 int id = result.getInt(1); |
16e6e661e6bf
Added code to delete collections.
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174
diff
changeset
|
1261 reset(); |
16e6e661e6bf
Added code to delete collections.
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parents:
174
diff
changeset
|
1262 |
16e6e661e6bf
Added code to delete collections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
174
diff
changeset
|
1263 // outdate artifacts that are only in this collection |
16e6e661e6bf
Added code to delete collections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
174
diff
changeset
|
1264 prepareStatement(SQL_OUTDATE_ARTIFACTS_COLLECTION); |
16e6e661e6bf
Added code to delete collections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
174
diff
changeset
|
1265 stmnt.setInt(1, id); |
16e6e661e6bf
Added code to delete collections.
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parents:
174
diff
changeset
|
1266 stmnt.setInt(2, id); |
16e6e661e6bf
Added code to delete collections.
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parents:
174
diff
changeset
|
1267 stmnt.execute(); |
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Added code to delete collections.
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parents:
174
diff
changeset
|
1268 reset(); |
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Added code to delete collections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
174
diff
changeset
|
1269 |
16e6e661e6bf
Added code to delete collections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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174
diff
changeset
|
1270 // delete the collection items |
16e6e661e6bf
Added code to delete collections.
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174
diff
changeset
|
1271 prepareStatement(SQL_DELETE_COLLECTION_ITEMS); |
16e6e661e6bf
Added code to delete collections.
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parents:
174
diff
changeset
|
1272 stmnt.setInt(1, id); |
16e6e661e6bf
Added code to delete collections.
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174
diff
changeset
|
1273 stmnt.execute(); |
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Added code to delete collections.
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174
diff
changeset
|
1274 reset(); |
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Added code to delete collections.
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174
diff
changeset
|
1275 |
16e6e661e6bf
Added code to delete collections.
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174
diff
changeset
|
1276 // delete the collection |
16e6e661e6bf
Added code to delete collections.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
174
diff
changeset
|
1277 prepareStatement(SQL_DELETE_COLLECTION); |
16e6e661e6bf
Added code to delete collections.
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parents:
174
diff
changeset
|
1278 stmnt.setInt(1, id); |
16e6e661e6bf
Added code to delete collections.
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174
diff
changeset
|
1279 stmnt.execute(); |
16e6e661e6bf
Added code to delete collections.
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174
diff
changeset
|
1280 conn.commit(); |
16e6e661e6bf
Added code to delete collections.
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174
diff
changeset
|
1281 return true; |
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Added code to delete collections.
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parents:
174
diff
changeset
|
1282 } |
16e6e661e6bf
Added code to delete collections.
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174
diff
changeset
|
1283 }; |
311
1d517e051e95
Made backend listeners loadable at boot time.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
310
diff
changeset
|
1284 boolean success = exec.runWrite(); |
1d517e051e95
Made backend listeners loadable at boot time.
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parents:
310
diff
changeset
|
1285 |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1286 if (success) { |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1287 fireDeletedCollection(collectionId); |
1d517e051e95
Made backend listeners loadable at boot time.
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parents:
310
diff
changeset
|
1288 } |
1d517e051e95
Made backend listeners loadable at boot time.
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parents:
310
diff
changeset
|
1289 |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1290 return success; |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1291 } |
1d517e051e95
Made backend listeners loadable at boot time.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
310
diff
changeset
|
1292 |
1d517e051e95
Made backend listeners loadable at boot time.
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parents:
310
diff
changeset
|
1293 protected void fireDeletedCollection(String identifier) { |
1d517e051e95
Made backend listeners loadable at boot time.
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parents:
310
diff
changeset
|
1294 for (BackendListener listener: listeners) { |
1d517e051e95
Made backend listeners loadable at boot time.
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parents:
310
diff
changeset
|
1295 listener.deletedCollection(identifier, this); |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1296 } |
156
a76de72ad6d1
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diff
changeset
|
1297 } |
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diff
changeset
|
1298 |
253
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
|
1299 public Document getCollectionAttribute(final String collectionId) { |
a2df2b48d2aa
Enabled the artifact database to handle requests specific to collection attributes and collection item attributes.
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diff
changeset
|
1300 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
|
1301 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
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|
1302 } |
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diff
changeset
|
1303 |
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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
|
1304 final byte[][] data = new byte[1][1]; |
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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
|
1305 |
305
f33401ea2a6c
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
303
diff
changeset
|
1306 SQLExecutor.Instance exec = sqlExecutor.new Instance() { |
253
a2df2b48d2aa
Enabled the artifact database to handle requests specific to collection attributes and collection item attributes.
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parents:
252
diff
changeset
|
1307 public boolean doIt() throws SQLException { |
a2df2b48d2aa
Enabled the artifact database to handle requests specific to collection attributes and collection item attributes.
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diff
changeset
|
1308 prepareStatement(SQL_COLLECTION_GET_ATTRIBUTE); |
a2df2b48d2aa
Enabled the artifact database to handle requests specific to collection attributes and collection item attributes.
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252
diff
changeset
|
1309 stmnt.setString(1, 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
|
1310 result = stmnt.executeQuery(); |
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1311 if (!result.next()) { |
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|
1312 logger.debug("No such collection."); |
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|
1313 return false; |
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|
1314 } |
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1315 |
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|
1316 data[0] = result.getBytes(1); |
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|
1317 return true; |
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|
1318 } |
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|
1319 }; |
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|
1320 |
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diff
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|
1321 return exec.runRead() |
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|
1322 ? XMLUtils.fromByteArray(data[0], true) |
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|
1323 : null; |
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|
1324 } |
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|
1325 |
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diff
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|
1326 public boolean setCollectionAttribute( |
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|
1327 final String collectionId, |
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|
1328 Document attribute |
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|
1329 ) { |
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Enabled the artifact database to handle requests specific to collection attributes and collection item attributes.
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|
1330 if (!isValidIdentifier(collectionId)) { |
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|
1331 logger.debug("collection id is not valid: " + collectionId); |
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|
1332 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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|
1333 } |
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diff
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|
1334 |
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diff
changeset
|
1335 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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|
1336 |
311
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Made backend listeners loadable at boot time.
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|
1337 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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|
1338 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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|
1339 |
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diff
changeset
|
1340 // 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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changeset
|
1341 prepareStatement(SQL_COLLECTION_SET_ATTRIBUTE); |
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|
1342 if (data == null) { |
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changeset
|
1343 stmnt.setNull(1, Types.BINARY); |
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|
1344 } |
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diff
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|
1345 else { |
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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
|
1346 stmnt.setBytes(1, data); |
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|
1347 } |
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diff
changeset
|
1348 stmnt.setString(2, collectionId); |
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diff
changeset
|
1349 stmnt.execute(); |
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diff
changeset
|
1350 reset(); |
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diff
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|
1351 |
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diff
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|
1352 // touch the collection |
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diff
changeset
|
1353 prepareStatement(SQL_COLLECTIONS_TOUCH_BY_GID); |
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diff
changeset
|
1354 stmnt.setString(1, collectionId); |
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diff
changeset
|
1355 stmnt.execute(); |
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diff
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|
1356 |
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diff
changeset
|
1357 conn.commit(); |
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diff
changeset
|
1358 return true; |
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diff
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|
1359 } |
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diff
changeset
|
1360 }.runWrite(); |
311
1d517e051e95
Made backend listeners loadable at boot time.
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diff
changeset
|
1361 |
1d517e051e95
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diff
changeset
|
1362 if (success) { |
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Made backend listeners loadable at boot time.
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diff
changeset
|
1363 fireChangedCollectionAttribute(collectionId, attribute); |
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Made backend listeners loadable at boot time.
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diff
changeset
|
1364 } |
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Made backend listeners loadable at boot time.
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diff
changeset
|
1365 |
1d517e051e95
Made backend listeners loadable at boot time.
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diff
changeset
|
1366 return success; |
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Made backend listeners loadable at boot time.
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diff
changeset
|
1367 } |
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Made backend listeners loadable at boot time.
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diff
changeset
|
1368 |
1d517e051e95
Made backend listeners loadable at boot time.
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diff
changeset
|
1369 protected void fireChangedCollectionAttribute( |
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diff
changeset
|
1370 String collectionId, |
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diff
changeset
|
1371 Document document |
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diff
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|
1372 ) { |
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diff
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|
1373 for (BackendListener listener: listeners) { |
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diff
changeset
|
1374 listener.changedCollectionAttribute(collectionId, document, this); |
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diff
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|
1375 } |
253
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diff
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|
1376 } |
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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
|
1377 |
252
6de74b0b878e
Changed the method names to get and set the attributes of collection items.
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242
diff
changeset
|
1378 public Document getCollectionItemAttribute( |
178
535e4ea2ef9b
Added code to get the attribute of a collection item
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diff
changeset
|
1379 final String collectionId, |
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diff
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|
1380 final String artifactId |
156
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diff
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|
1381 ) { |
178
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|
1382 if (!isValidIdentifier(collectionId)) { |
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diff
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|
1383 logger.debug("collection id is not valid: " + collectionId); |
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|
1384 return null; |
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|
1385 } |
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diff
changeset
|
1386 if (!isValidIdentifier(artifactId)) { |
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diff
changeset
|
1387 logger.debug("artifact id is not valid: " + artifactId); |
179
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diff
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|
1388 return null; |
178
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|
1389 } |
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diff
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|
1390 |
235
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|
1391 final byte [][] data = new byte[1][1]; |
178
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|
1392 |
305
f33401ea2a6c
Artifact database: Refactorized the usage of dialect independent SQL to be reusable.
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diff
changeset
|
1393 SQLExecutor.Instance exec = sqlExecutor.new Instance() { |
178
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|
1394 public boolean doIt() throws SQLException { |
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diff
changeset
|
1395 prepareStatement(SQL_COLLECTION_ITEM_GET_ATTRIBUTE); |
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diff
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|
1396 stmnt.setString(1, collectionId); |
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changeset
|
1397 stmnt.setString(2, artifactId); |
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|
1398 result = stmnt.executeQuery(); |
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|
1399 if (!result.next()) { |
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diff
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|
1400 logger.debug("No such collection item"); |
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|
1401 return false; |
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|
1402 } |
235
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|
1403 data[0] = result.getBytes(1); |
178
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|
1404 return true; |
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1405 } |
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|
1406 }; |
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|
1407 |
235
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1408 return exec.runRead() |
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|
1409 ? XMLUtils.fromByteArray(data[0], true) |
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1410 : null; |
156
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|
1411 } |
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|
1412 |
252
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diff
changeset
|
1413 public boolean setCollectionItemAttribute( |
233
16cd059945e5
Removed trailing whitespace.
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diff
changeset
|
1414 final String collectionId, |
179
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diff
changeset
|
1415 final String artifactId, |
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diff
changeset
|
1416 Document attribute |
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|
1417 ) { |
179
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|
1418 if (!isValidIdentifier(collectionId)) { |
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|
1419 logger.debug("collection id is not valid: " + collectionId); |
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|
1420 return false; |
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1421 } |
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|
1422 if (!isValidIdentifier(artifactId)) { |
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|
1423 logger.debug("artifact id is not valid: " + artifactId); |
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|
1424 return false; |
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|
1425 } |
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1426 |
235
3e29395ebac6
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1427 final byte [] data = XMLUtils.toByteArray(attribute, true); |
179
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1428 |
311
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Made backend listeners loadable at boot time.
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diff
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|
1429 boolean success = sqlExecutor.new Instance() { |
179
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1430 public boolean doIt() throws SQLException { |
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1431 |
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diff
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|
1432 // set the column in collection items |
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|
1433 prepareStatement(SQL_COLLECTION_ITEM_SET_ATTRIBUTE); |
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|
1434 if (data == null) { |
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diff
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|
1435 stmnt.setNull(1, Types.BINARY); |
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1436 } |
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|
1437 else { |
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|
1438 stmnt.setBytes(1, data); |
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|
1439 } |
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diff
changeset
|
1440 stmnt.setString(2, collectionId); |
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changeset
|
1441 stmnt.setString(3, artifactId); |
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diff
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|
1442 stmnt.execute(); |
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diff
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|
1443 reset(); |
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|
1444 |
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diff
changeset
|
1445 // touch the collection |
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changeset
|
1446 prepareStatement(SQL_COLLECTIONS_TOUCH_BY_GID); |
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diff
changeset
|
1447 stmnt.setString(1, collectionId); |
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diff
changeset
|
1448 stmnt.execute(); |
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diff
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|
1449 |
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Added code to set attribute of a collection item.
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diff
changeset
|
1450 conn.commit(); |
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diff
changeset
|
1451 return true; |
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diff
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|
1452 } |
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diff
changeset
|
1453 }.runWrite(); |
311
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Made backend listeners loadable at boot time.
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310
diff
changeset
|
1454 |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1455 if (success) { |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1456 fireChangedCollectionItemAttribute( |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1457 collectionId, artifactId, attribute); |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1458 } |
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 return success; |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1461 } |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1462 |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1463 protected void fireChangedCollectionItemAttribute( |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1464 String collectionId, |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1465 String artifactId, |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1466 Document document |
1d517e051e95
Made backend listeners loadable at boot time.
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parents:
310
diff
changeset
|
1467 ) { |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1468 for (BackendListener listener: listeners) { |
1d517e051e95
Made backend listeners loadable at boot time.
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parents:
310
diff
changeset
|
1469 listener.changedCollectionItemAttribute( |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1470 collectionId, artifactId, document, this); |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1471 } |
156
a76de72ad6d1
Added stubs for the collection handling in db backend.
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154
diff
changeset
|
1472 } |
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154
diff
changeset
|
1473 |
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154
diff
changeset
|
1474 public boolean addCollectionArtifact( |
176
a0eff2227588
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175
diff
changeset
|
1475 final String collectionId, |
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diff
changeset
|
1476 final String artifactId, |
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diff
changeset
|
1477 final Document attribute |
156
a76de72ad6d1
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154
diff
changeset
|
1478 ) { |
177
77cd37a93fca
Backend: isIdentifierValid more symmetric to new newIndentifier
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parents:
176
diff
changeset
|
1479 if (!isValidIdentifier(collectionId)) { |
176
a0eff2227588
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175
diff
changeset
|
1480 logger.debug("Invalid collection id: '" + collectionId + "'"); |
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175
diff
changeset
|
1481 return false; |
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175
diff
changeset
|
1482 } |
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175
diff
changeset
|
1483 |
177
77cd37a93fca
Backend: isIdentifierValid more symmetric to new newIndentifier
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176
diff
changeset
|
1484 if (!isValidIdentifier(artifactId)) { |
176
a0eff2227588
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175
diff
changeset
|
1485 logger.debug("Invalid artifact id: '" + artifactId + "'"); |
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175
diff
changeset
|
1486 return false; |
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175
diff
changeset
|
1487 } |
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diff
changeset
|
1488 |
235
3e29395ebac6
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diff
changeset
|
1489 final byte [] data = XMLUtils.toByteArray(attribute, true); |
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233
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() { |
176
a0eff2227588
Added code to add artifacts to collections.
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175
diff
changeset
|
1492 public boolean doIt() throws SQLException { |
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175
diff
changeset
|
1493 // fetch artifact id |
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diff
changeset
|
1494 prepareStatement(SQL_GET_ID); |
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175
diff
changeset
|
1495 stmnt.setString(1, artifactId); |
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175
diff
changeset
|
1496 result = stmnt.executeQuery(); |
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diff
changeset
|
1497 if (!result.next()) { |
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175
diff
changeset
|
1498 logger.debug("No such artifact: " + artifactId); |
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diff
changeset
|
1499 return false; |
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diff
changeset
|
1500 } |
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diff
changeset
|
1501 int aid = result.getInt(1); |
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diff
changeset
|
1502 reset(); |
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diff
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|
1503 |
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diff
changeset
|
1504 // fetch collection id |
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diff
changeset
|
1505 prepareStatement(SQL_COLLECTIONS_ID_BY_GID); |
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diff
changeset
|
1506 stmnt.setString(1, collectionId); |
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|
1507 result = stmnt.executeQuery(); |
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changeset
|
1508 if (!result.next()) { |
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diff
changeset
|
1509 logger.debug("No such collection: " + collectionId); |
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|
1510 } |
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changeset
|
1511 int cid = result.getInt(1); |
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|
1512 reset(); |
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|
1513 |
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changeset
|
1514 // check if artifact is already in collection |
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diff
changeset
|
1515 prepareStatement(SQL_COLLECTION_CHECK_ARTIFACT); |
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changeset
|
1516 stmnt.setInt(1, aid); |
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|
1517 stmnt.setInt(2, cid); |
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|
1518 result = stmnt.executeQuery(); |
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changeset
|
1519 if (result.next()) { |
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changeset
|
1520 logger.debug("artifact already in collection"); |
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changeset
|
1521 return false; |
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|
1522 } |
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|
1523 reset(); |
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changeset
|
1524 |
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changeset
|
1525 // fetch fresh id for new collection item |
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changeset
|
1526 prepareStatement(SQL_COLLECTION_ITEMS_ID_NEXTVAL); |
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changeset
|
1527 result = stmnt.executeQuery(); |
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changeset
|
1528 if (!result.next()) { |
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diff
changeset
|
1529 logger.debug("no collection item id generated"); |
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|
1530 return false; |
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|
1531 } |
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Added code to add artifacts to collections.
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diff
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|
1532 int ci_id = result.getInt(1); |
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diff
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|
1533 reset(); |
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diff
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|
1534 |
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|
1535 // insert new collection item |
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diff
changeset
|
1536 prepareStatement(SQL_COLLECTION_ITEMS_INSERT); |
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changeset
|
1537 stmnt.setInt(1, ci_id); |
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diff
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|
1538 stmnt.setInt(2, cid); |
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diff
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|
1539 stmnt.setInt(3, aid); |
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175
diff
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|
1540 |
a0eff2227588
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diff
changeset
|
1541 if (data == null) { |
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Added code to add artifacts to collections.
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diff
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|
1542 stmnt.setNull(4, Types.BINARY); |
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|
1543 } |
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Added code to add artifacts to collections.
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diff
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|
1544 else { |
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Added code to add artifacts to collections.
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diff
changeset
|
1545 stmnt.setBytes(4, data); |
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Added code to add artifacts to collections.
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175
diff
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|
1546 } |
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Added code to add artifacts to collections.
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diff
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|
1547 stmnt.execute(); |
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diff
changeset
|
1548 conn.commit(); |
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|
1549 |
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diff
changeset
|
1550 return true; |
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|
1551 } |
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|
1552 }; |
311
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1553 boolean success = exec.runWrite(); |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1554 |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1555 if (success) { |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1556 fireAddedArtifactToCollection(artifactId, collectionId); |
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 |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1559 return success; |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1560 } |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1561 |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1562 protected void fireAddedArtifactToCollection( |
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Made backend listeners loadable at boot time.
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310
diff
changeset
|
1563 String artifactId, |
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Made backend listeners loadable at boot time.
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310
diff
changeset
|
1564 String collectionId |
1d517e051e95
Made backend listeners loadable at boot time.
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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.
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310
diff
changeset
|
1567 listener.addedArtifactToCollection( |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1568 artifactId, collectionId, this); |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1569 } |
156
a76de72ad6d1
Added stubs for the collection handling in db backend.
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|
1570 } |
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diff
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|
1571 |
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diff
changeset
|
1572 public boolean removeCollectionArtifact( |
180
38fbbeffe8fe
Added code to remove an artifact from a collection
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diff
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|
1573 final String collectionId, |
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|
1574 final String artifactId |
156
a76de72ad6d1
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diff
changeset
|
1575 ) { |
180
38fbbeffe8fe
Added code to remove an artifact from a collection
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diff
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|
1576 if (!isValidIdentifier(collectionId)) { |
38fbbeffe8fe
Added code to remove an artifact from a collection
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diff
changeset
|
1577 logger.debug("Invalid collection id: '" + collectionId + "'"); |
38fbbeffe8fe
Added code to remove an artifact from a collection
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diff
changeset
|
1578 return false; |
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Added code to remove an artifact from a collection
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diff
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|
1579 } |
311
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1580 |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1581 boolean success = sqlExecutor.new Instance() { |
180
38fbbeffe8fe
Added code to remove an artifact from a collection
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diff
changeset
|
1582 public boolean doIt() throws SQLException { |
38fbbeffe8fe
Added code to remove an artifact from a collection
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diff
changeset
|
1583 |
38fbbeffe8fe
Added code to remove an artifact from a collection
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179
diff
changeset
|
1584 // fetch id, collection id and artitfact id |
38fbbeffe8fe
Added code to remove an artifact from a collection
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179
diff
changeset
|
1585 prepareStatement(SQL_COLLECTION_ITEM_ID_CID_AID); |
38fbbeffe8fe
Added code to remove an artifact from a collection
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179
diff
changeset
|
1586 stmnt.setString(1, collectionId); |
38fbbeffe8fe
Added code to remove an artifact from a collection
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179
diff
changeset
|
1587 stmnt.setString(2, artifactId); |
38fbbeffe8fe
Added code to remove an artifact from a collection
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179
diff
changeset
|
1588 result = stmnt.executeQuery(); |
38fbbeffe8fe
Added code to remove an artifact from a collection
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179
diff
changeset
|
1589 if (!result.next()) { |
38fbbeffe8fe
Added code to remove an artifact from a collection
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179
diff
changeset
|
1590 logger.debug("No such collection item"); |
38fbbeffe8fe
Added code to remove an artifact from a collection
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179
diff
changeset
|
1591 return false; |
38fbbeffe8fe
Added code to remove an artifact from a collection
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179
diff
changeset
|
1592 } |
38fbbeffe8fe
Added code to remove an artifact from a collection
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parents:
179
diff
changeset
|
1593 int id = result.getInt(1); |
38fbbeffe8fe
Added code to remove an artifact from a collection
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179
diff
changeset
|
1594 int cid = result.getInt(2); |
38fbbeffe8fe
Added code to remove an artifact from a collection
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179
diff
changeset
|
1595 int aid = result.getInt(3); |
38fbbeffe8fe
Added code to remove an artifact from a collection
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179
diff
changeset
|
1596 reset(); |
38fbbeffe8fe
Added code to remove an artifact from a collection
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179
diff
changeset
|
1597 |
38fbbeffe8fe
Added code to remove an artifact from a collection
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179
diff
changeset
|
1598 // outdate artifact iff it is only in this collection |
38fbbeffe8fe
Added code to remove an artifact from a collection
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179
diff
changeset
|
1599 prepareStatement(SQL_COLLECTION_ITEM_OUTDATE_ARTIFACT); |
38fbbeffe8fe
Added code to remove an artifact from a collection
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179
diff
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|
1600 stmnt.setInt(1, aid); |
38fbbeffe8fe
Added code to remove an artifact from a collection
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179
diff
changeset
|
1601 stmnt.setInt(2, cid); |
194
fde2f193e846
Small typo fix
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
193
diff
changeset
|
1602 stmnt.setInt(3, aid); |
180
38fbbeffe8fe
Added code to remove an artifact from a collection
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179
diff
changeset
|
1603 stmnt.execute(); |
38fbbeffe8fe
Added code to remove an artifact from a collection
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179
diff
changeset
|
1604 reset(); |
38fbbeffe8fe
Added code to remove an artifact from a collection
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diff
changeset
|
1605 |
38fbbeffe8fe
Added code to remove an artifact from a collection
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diff
changeset
|
1606 // delete collection item |
38fbbeffe8fe
Added code to remove an artifact from a collection
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diff
changeset
|
1607 prepareStatement(SQL_COLLECTION_ITEM_DELETE); |
38fbbeffe8fe
Added code to remove an artifact from a collection
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179
diff
changeset
|
1608 stmnt.setInt(1, id); |
38fbbeffe8fe
Added code to remove an artifact from a collection
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179
diff
changeset
|
1609 stmnt.execute(); |
38fbbeffe8fe
Added code to remove an artifact from a collection
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diff
changeset
|
1610 reset(); |
38fbbeffe8fe
Added code to remove an artifact from a collection
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179
diff
changeset
|
1611 |
38fbbeffe8fe
Added code to remove an artifact from a collection
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179
diff
changeset
|
1612 // touch collection |
38fbbeffe8fe
Added code to remove an artifact from a collection
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diff
changeset
|
1613 prepareStatement(SQL_COLLECTIONS_TOUCH_BY_ID); |
38fbbeffe8fe
Added code to remove an artifact from a collection
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parents:
179
diff
changeset
|
1614 stmnt.setInt(1, cid); |
38fbbeffe8fe
Added code to remove an artifact from a collection
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179
diff
changeset
|
1615 stmnt.execute(); |
38fbbeffe8fe
Added code to remove an artifact from a collection
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diff
changeset
|
1616 |
38fbbeffe8fe
Added code to remove an artifact from a collection
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diff
changeset
|
1617 conn.commit(); |
38fbbeffe8fe
Added code to remove an artifact from a collection
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179
diff
changeset
|
1618 return true; |
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diff
changeset
|
1619 } |
38fbbeffe8fe
Added code to remove an artifact from a collection
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179
diff
changeset
|
1620 }.runWrite(); |
311
1d517e051e95
Made backend listeners loadable at boot time.
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diff
changeset
|
1621 |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1622 if (success) { |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1623 fireRemovedArtifactFromCollection(artifactId, collectionId); |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1624 } |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1625 |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1626 return success; |
1d517e051e95
Made backend listeners loadable at boot time.
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diff
changeset
|
1627 } |
1d517e051e95
Made backend listeners loadable at boot time.
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diff
changeset
|
1628 |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1629 protected void fireRemovedArtifactFromCollection( |
1d517e051e95
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310
diff
changeset
|
1630 String artifactId, |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1631 String collectionId |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1632 ) { |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1633 for (BackendListener listener: listeners) { |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1634 listener.removedArtifactFromCollection( |
1d517e051e95
Made backend listeners loadable at boot time.
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310
diff
changeset
|
1635 artifactId, collectionId, this); |
1d517e051e95
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diff
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|
1636 } |
156
a76de72ad6d1
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|
1637 } |
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diff
changeset
|
1638 |
184
a22b7e367b25
Added Backend code to list the collection items in a collection.
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diff
changeset
|
1639 public CollectionItem [] listCollectionArtifacts( |
a22b7e367b25
Added Backend code to list the collection items in a collection.
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changeset
|
1640 final String collectionId |
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|
1641 ) { |
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|
1642 if (!isValidIdentifier(collectionId)) { |
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changeset
|
1643 logger.debug("Invalid collection id: '" + collectionId + "'"); |
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1644 return null; |
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1645 } |
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1646 |
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1647 final ArrayList<CollectionItem> collectionItems = |
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1648 new ArrayList<CollectionItem>(); |
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1649 |
305
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1650 SQLExecutor.Instance exec = sqlExecutor.new Instance() { |
184
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1651 public boolean doIt() throws SQLException { |
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1652 prepareStatement(SQL_COLLECTION_ITEMS_LIST_GID); |
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1653 stmnt.setString(1, collectionId); |
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1654 result = stmnt.executeQuery(); |
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1655 while (result.next()) { |
186
15c7638511dc
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1656 CollectionItem item = new DefaultCollectionItem( |
184
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1657 result.getString(1), |
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1658 result.getBytes(2)); |
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1659 collectionItems.add(item); |
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1660 } |
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1661 return true; |
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1662 } |
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1663 }; |
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1664 |
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1665 return exec.runRead() |
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1666 ? collectionItems.toArray( |
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1667 new CollectionItem[collectionItems.size()]) |
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1668 : null; |
156
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1669 } |
273
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1670 |
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1671 |
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1672 public boolean setCollectionTTL(final String uuid, final Long ttl) { |
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1673 if (!isValidIdentifier(uuid)) { |
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1674 logger.debug("Invalid collection id: '" + uuid + "'"); |
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1675 return false; |
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1676 } |
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1677 |
305
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|
1678 return sqlExecutor.new Instance() { |
273
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1679 public boolean doIt() throws SQLException { |
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1680 prepareStatement(SQL_UPDATE_COLLECTION_TTL); |
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|
1681 if (ttl == null) { |
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|
1682 stmnt.setNull(1, Types.BIGINT); |
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1683 } |
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1684 else { |
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|
1685 stmnt.setLong(1, ttl); |
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|
1686 } |
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|
1687 stmnt.setString(2, uuid); |
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1688 stmnt.execute(); |
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|
1689 conn.commit(); |
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1690 |
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|
1691 return true; |
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|
1692 } |
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|
1693 }.runWrite(); |
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|
1694 } |
275
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|
1695 |
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|
1696 |
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|
1697 public boolean setCollectionName(final String uuid, final String name) { |
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|
1698 if (!isValidIdentifier(uuid)) { |
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|
1699 logger.debug("Invalid collection id: '" + uuid + "'"); |
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|
1700 return false; |
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|
1701 } |
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|
1702 |
311
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|
1703 boolean success = sqlExecutor.new Instance() { |
275
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|
1704 public boolean doIt() throws SQLException { |
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|
1705 prepareStatement(SQL_UPDATE_COLLECTION_NAME); |
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|
1706 stmnt.setString(1, name); |
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|
1707 stmnt.setString(2, uuid); |
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|
1708 stmnt.execute(); |
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diff
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|
1709 conn.commit(); |
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diff
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|
1710 |
e92d5944fe4b
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diff
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|
1711 return true; |
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diff
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|
1712 } |
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diff
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|
1713 }.runWrite(); |
311
1d517e051e95
Made backend listeners loadable at boot time.
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diff
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|
1714 |
1d517e051e95
Made backend listeners loadable at boot time.
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diff
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|
1715 if (success) { |
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Made backend listeners loadable at boot time.
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diff
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|
1716 fireSetCollectionName(uuid, name); |
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|
1717 } |
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diff
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|
1718 |
1d517e051e95
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diff
changeset
|
1719 return success; |
1d517e051e95
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diff
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|
1720 } |
1d517e051e95
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diff
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|
1721 |
1d517e051e95
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diff
changeset
|
1722 protected void fireSetCollectionName(String identifier, String name) { |
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diff
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|
1723 for (BackendListener listener: listeners) { |
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diff
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|
1724 listener.setCollectionName(identifier, name); |
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diff
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|
1725 } |
275
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diff
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|
1726 } |
303
190aa68ae7a8
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diff
changeset
|
1727 |
190aa68ae7a8
Added method to artifact database to load all artifacts.
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diff
changeset
|
1728 public boolean loadAllArtifacts(final ArtifactLoadedCallback alc) { |
190aa68ae7a8
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diff
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|
1729 |
308
a077bb098eb4
Fixed broken SQL statement. Added debug output.
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diff
changeset
|
1730 logger.debug("loadAllArtifacts"); |
a077bb098eb4
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diff
changeset
|
1731 |
303
190aa68ae7a8
Added method to artifact database to load all artifacts.
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301
diff
changeset
|
1732 if (factoryLookup == null) { |
190aa68ae7a8
Added method to artifact database to load all artifacts.
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diff
changeset
|
1733 logger.error("factory lookup == null"); |
190aa68ae7a8
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diff
changeset
|
1734 return false; |
190aa68ae7a8
Added method to artifact database to load all artifacts.
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diff
changeset
|
1735 } |
190aa68ae7a8
Added method to artifact database to load all artifacts.
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diff
changeset
|
1736 |
308
a077bb098eb4
Fixed broken SQL statement. Added debug output.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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diff
changeset
|
1737 boolean success = sqlExecutor.new Instance() { |
a077bb098eb4
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diff
changeset
|
1738 @Override |
303
190aa68ae7a8
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diff
changeset
|
1739 public boolean doIt() throws SQLException { |
308
a077bb098eb4
Fixed broken SQL statement. Added debug output.
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diff
changeset
|
1740 logger.debug("doIt"); |
303
190aa68ae7a8
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diff
changeset
|
1741 |
190aa68ae7a8
Added method to artifact database to load all artifacts.
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diff
changeset
|
1742 // a little cache to avoid too much deserializations. |
308
a077bb098eb4
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diff
changeset
|
1743 LRUCache<String, Artifact> alreadyLoaded = |
a077bb098eb4
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diff
changeset
|
1744 new LRUCache<String, Artifact>(200); |
303
190aa68ae7a8
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diff
changeset
|
1745 |
190aa68ae7a8
Added method to artifact database to load all artifacts.
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diff
changeset
|
1746 prepareStatement(SQL_ALL_ARTIFACTS); |
190aa68ae7a8
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parents:
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diff
changeset
|
1747 result = stmnt.executeQuery(); |
190aa68ae7a8
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changeset
|
1748 while (result.next()) { |
190aa68ae7a8
Added method to artifact database to load all artifacts.
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diff
changeset
|
1749 String userId = result.getString(1); |
190aa68ae7a8
Added method to artifact database to load all artifacts.
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parents:
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diff
changeset
|
1750 String collectionId = result.getString(2); |
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1751 String artifactId = result.getString(3); |
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1752 String factoryName = result.getString(4); |
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1753 |
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1754 Artifact artifact = alreadyLoaded.get(artifactId); |
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1755 |
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1756 if (artifact != null) { |
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1757 alc.artifactLoaded( |
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1758 userId, collectionId, artifactId, artifact); |
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1759 continue; |
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1760 } |
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1761 |
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1762 ArtifactFactory factory = factoryLookup |
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1763 .getArtifactFactory(factoryName); |
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1764 |
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1765 if (factory == null) { |
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1766 logger.error("factory '" + factoryName + "' not found"); |
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1767 continue; |
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1768 } |
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1769 |
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1770 byte [] bytes = result.getBytes(5); |
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1771 |
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1772 artifact = factory.getSerializer().fromBytes(bytes); |
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1773 |
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1774 if (artifact != null) { |
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1775 alc.artifactLoaded( |
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1776 userId, collectionId, artifactId, artifact); |
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1777 } |
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1778 |
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1779 alreadyLoaded.put(artifactId, artifact); |
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1780 } |
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1781 return true; |
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1782 } |
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1783 }.runRead(); |
308
a077bb098eb4
Fixed broken SQL statement. Added debug output.
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1784 |
a077bb098eb4
Fixed broken SQL statement. Added debug output.
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1785 if (logger.isDebugEnabled()) { |
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1786 logger.debug("loadAllArtifacts success: " + success); |
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1787 } |
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1788 |
a077bb098eb4
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1789 return success; |
303
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1790 } |
13
0d6badf6af42
Added not yet working backend to artifact database.
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1791 } |
79
f69e5b87f05f
Implementation to export artifacts as xml (applied patch from issue208 by SLT).
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1792 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |