Mercurial > dive4elements > framework

annotate artifact-database/src/main/java/de/intevation/artifactdatabase/Backend.java @ 128:bfa65a812c7a

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Made the backend singleton. artifacts/trunk@1352 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Tue, 01 Mar 2011 18:52:48 +0000
parents 933bbc9fc11f
children 2950c6011afa
rev   line source
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1 /*
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2 * Copyright (c) 2010 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
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9 package de.intevation.artifactdatabase;
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10
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11 import de.intevation.artifacts.Artifact;
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12 import de.intevation.artifacts.ArtifactFactory;
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13 import de.intevation.artifacts.ArtifactSerializer;
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14
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15 import java.sql.Connection;
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16 import java.sql.PreparedStatement;
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17 import java.sql.ResultSet;
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18 import java.sql.SQLException;
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19 import java.sql.Types;
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20
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21 import javax.sql.DataSource;
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22
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23 import org.apache.log4j.Logger;
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24
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25 /**
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26 * The backend implements the low level layer used to store artifacts
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27 * in a SQL database.
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28 *
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29 * @author <a href="mailto:sascha.teichmann@intevation.de">Sascha L. Teichmann</a>
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30 */
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31 public class Backend
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32 implements DatabaseCleaner.ArtifactReviver
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33 {
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34 private static Logger logger = Logger.getLogger(Backend.class);
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35
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36 /**
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37 * The SQL statement to create new artifact id inside the database.
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38 */
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39 public static final String SQL_NEXT_ID =
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40 SQL.get("artifacts.id.nextval");
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41
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42 /**
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43 * The SQL statement to insert an artifact into the database.
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44 */
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45 public static final String SQL_INSERT =
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46 SQL.get("artifacts.insert");
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47
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48 /**
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49 * The SQL statement to update some columns of an existing
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50 * artifact in the database.
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51 */
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52 public static final String SQL_UPDATE =
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53 SQL.get("artifacts.update");
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54
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55 /**
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56 * The SQL statement to touch the access time of an
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57 * artifact inside the database.
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58 */
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59 public static final String SQL_TOUCH =
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60 SQL.get("artifacts.touch");
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62 /**
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63 * The SQL statement to load an artifact by a given
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64 * identifier from the database.
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65 */
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66 public static final String SQL_LOAD_BY_GID =
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67 SQL.get("artifacts.select.gid");
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69 /**
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70 * The SQL statement to get the database id of an artifact
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71 * identified by the identifier.
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72 */
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73 public static final String SQL_GET_ID =
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74 SQL.get("artifacts.get.id");
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76 /**
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77 * The SQL statement to replace the content of an
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78 * existing artifact inside the database.
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79 */
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80 public static final String SQL_REPLACE =
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81 SQL.get("artifacts.replace");
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82
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83 /** The singleton.*/
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84 protected static Backend instance;
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86 /**
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87 * The database cleaner. Reference is stored here because
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88 * the cleaner is woken up if the backend finds an outdated
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89 * artifact. This artifact should be removed as soon as
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90 * possible.
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91 */
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92 protected DatabaseCleaner cleaner;
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94 /**
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95 * To revive an artifact from the bytes coming from the database
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96 * we need the artifact factory which references the artifact
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97 * serializer which is able to do the reviving job.
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98 */
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99 protected FactoryLookup factoryLookup;
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101 /**
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102 * Little helper interface to decouple the ArtifactDatabase
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103 * from the Backend. A ArtifactDatabase should depend on a
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104 * Backend but a Backend not from an ArtifactDatabase.
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105 */
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106 public interface FactoryLookup {
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107
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108 /**
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109 * Returns an ArtifactFactory which is bound to a given name.
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110 * @param factoryName The name of the artifact factory.
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111 * @return The ArtifactFactory bound to the factory name or
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112 * null if not matching factory is found.
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113 */
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114 ArtifactFactory getArtifactFactory(String factoryName);
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115
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116 } // interface FactoryLookup
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117
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118 /**
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119 * Inner class that brigdes between the persisten form of the
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120 * artifact and the living one inside the artifact database.
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121 * After the describe(), feed(), advance() and out() operations
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122 * of the artifact it must be possible to write to modified artifact
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123 * back into the database.
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124 */
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125 public final class PersistentArtifact
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126 extends Id
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127 {
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128 private Artifact artifact;
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129 private ArtifactSerializer serializer;
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130 private Long ttl;
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131
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132 /**
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133 * Cronstructor to create a persistent artifact.
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134 * @param artifact The living artifact.
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135 * @param serializer The serializer to store the artifact
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136 * after the operations.
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137 * @param ttl The time to life of the artifact.
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138 * @param id The database id of the artifact.
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139 */
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140 public PersistentArtifact(
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141 Artifact artifact,
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142 ArtifactSerializer serializer,
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143 Long ttl,
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144 int id
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145 ) {
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146 super(id);
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147 this.artifact = artifact;
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148 this.serializer = serializer;
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149 this.ttl = ttl;
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150 }
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151
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152 /**
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153 * Returns the wrapped living artifact.
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154 * @return the living artifact.
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155 */
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156 public Artifact getArtifact() {
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157 return artifact;
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158 }
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159
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160 /**
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161 * Returns the serialized which is able to write a
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162 * modified artifact back into the database.
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163 * @return The serializer.
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164 */
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165 public ArtifactSerializer getSerializer() {
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166 return serializer;
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167 }
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168
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169 /**
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170 * The time to life of the artifact.
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171 * @return The time to live.
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172 */
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173 public Long getTTL() {
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174 return ttl;
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175 }
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176
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177 /**
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178 * Stores the living artifact back into the database.
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179 */
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180 public void store() {
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181 if (logger.isDebugEnabled()) {
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182 logger.debug("storing artifact id = " + getId());
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183 }
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184 Backend.this.store(this);
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185 }
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186
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187 /**
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188 * Only touches the access time of the artifact.
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189 */
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190 public void touch() {
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191 if (logger.isDebugEnabled()) {
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192 logger.debug("touching artifact id = " + getId());
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193 }
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194 Backend.this.touch(this);
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195 }
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196 } // class ArtifactWithId
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197
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198 /**
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199 * Default constructor
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200 */
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201 public Backend() {
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202 }
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203
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204 /**
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205 * Constructor to create a backend with a link to the database cleaner.
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206 * @param cleaner The clean which periodically removes outdated
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207 * artifacts from the database.
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208 */
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209 public Backend(DatabaseCleaner cleaner) {
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210 this.cleaner = cleaner;
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211 }
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212
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213
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214 /**
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215 * Returns the singleton of this Backend.
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216 *
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217 * @return the backend.
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218 */
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219 public static synchronized Backend getInstance() {
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220 if (instance == null) {
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221 instance = new Backend();
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222 }
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223
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224 return instance;
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225 }
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226
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227 /**
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228 * Sets the factory lookup mechanism to decouple ArtifactDatabase
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229 * and Backend.
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230 * @param factoryLookup
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231 */
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232 public void setFactoryLookup(FactoryLookup factoryLookup) {
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233 this.factoryLookup = factoryLookup;
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234 }
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235
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236 /**
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237 * Sets the database cleaner explicitly.
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238 * @param cleaner The database cleaner
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239 */
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240 public void setCleaner(DatabaseCleaner cleaner) {
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241 this.cleaner = cleaner;
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242 }
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243
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244 /**
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245 * Returns a new unique identifier to external identify
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246 * the artifact across the system. This implementation
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247 * uses random UUIDs v4 to achieve this target.
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248 * @return the new identifier
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249 */
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250 public String newIdentifier() {
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251 // TODO: check database for collisions.
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252 return StringUtils.newUUID();
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253 }
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254
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255 /**
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256 * Stores a new artifact into the database.
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257 * @param artifact The artifact to be stored
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258 * @param factory The factory which build the artifact
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259 * @param ttl The initial time to life of the artifact.
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260 * @return A persistent wrapper around the living
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261 * artifact to be able to write modification later.
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262 * @throws Exception Thrown if something went wrong with the
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263 * storage process.
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264 */
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265 public PersistentArtifact storeInitially(
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266 Artifact artifact,
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267 ArtifactFactory factory,
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268 Long ttl
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269 )
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270 throws Exception
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271 {
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272 return new PersistentArtifact(
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273 artifact,
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274 factory.getSerializer(),
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275 ttl,
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276 insertDatabase(artifact, factory, ttl));
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277 }
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278
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279 /**
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280 * Stores an artifact into database if it does not exist there.
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281 * If it exists there it is only updated.
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282 * @param artifact The artifact to store/update.
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283 * @param factory The factory which created the artifact.
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284 * @param ttl The initial time to live of the artifact.
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285 * @return A persistent version of the artifact to be able
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286 * to store a modification later.
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287 * @throws Exception Thrown if something went wrong during
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288 * storing/updating.
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289 */
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290 public PersistentArtifact storeOrReplace(
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291 Artifact artifact,
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292 ArtifactFactory factory,
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293 Long ttl
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294 )
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295 throws Exception
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296 {
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297 return new PersistentArtifact(
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298 artifact,
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299 factory.getSerializer(),
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300 ttl,
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301 storeOrReplaceDatabase(artifact, factory, ttl));
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302 }
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303
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304 /**
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305 * Implementors of this interface are able to process the raw
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306 * artifact data from the database for loading.
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307 */
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308 public interface ArtifactLoader {
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309
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310 /**
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311 * Creates a custom object from the raw artifact database data.
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312 * @param factory The factory that created this artifact.
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313 * @param ttl The current time to life of the artifact.
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314 * @param bytes The raw artifact bytes from the database.
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315 * @param id The database id of the artifact.
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316 * @return The custom object created by the implementation.
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317 */
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318 Object load(ArtifactFactory factory, Long ttl, byte [] bytes, int id);
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319
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320 } // interface ArtifactLoader
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321
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322 /**
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323 * Fetches an artifact from the database identified by the
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324 * given identifier.
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325 * @param identifer The identifier of the artifact.
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326 * @return A persistent wrapper around the found artifact
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327 * to be able to write back a modifaction later or null
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328 * if no artifact is found for this identifier.
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329 */
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330 public PersistentArtifact getArtifact(String identifer) {
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331
79
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332 return (PersistentArtifact)loadArtifact(
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333 identifer,
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334 new ArtifactLoader() {
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335
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336 public Object load(
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337 ArtifactFactory factory,
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338 Long ttl,
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339 byte [] bytes,
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340 int id
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341 ) {
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342 ArtifactSerializer serializer = factory.getSerializer();
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343
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344 Artifact artifact = serializer.fromBytes(bytes);
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345
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346 return artifact == null
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347 ? null
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348 : new PersistentArtifact(artifact, serializer, ttl, id);
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349 }
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350 });
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351 }
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352
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353 /**
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354 * More general loading mechanism for artifacts. The concrete
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355 * load processing is delegated to the given loader.
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356 * @param identifer The identifier of the artifact.
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357 * @param loader The loader which processes the raw database data.
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358 * @return The object created by the loader.
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359 */
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360 public Object loadArtifact(String identifer, ArtifactLoader loader) {
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361
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362 if (!StringUtils.checkUUID(identifer)) {
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363 return null;
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364 }
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365
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366 Connection connection = null;
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367 PreparedStatement stmnt_load = null;
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368 ResultSet load_result = null;
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369
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370 DataSource dataSource = DBConnection.getDataSource();
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371 try {
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372 connection = dataSource.getConnection();
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373 stmnt_load = connection.prepareStatement(SQL_LOAD_BY_GID);
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374 stmnt_load.setString(1, identifer);
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375
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376 load_result = stmnt_load.executeQuery();
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377
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378 if (!load_result.next()) {
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379 return null;
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380 }
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381
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382 int id = load_result.getInt(1);
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383 long ttlX = load_result.getLong(3);
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384
84
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385 Long ttl = load_result.wasNull() ? null : Long.valueOf(ttlX);
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386
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387 if (ttl != null) { // real time to life
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388 long last_access = load_result.getTimestamp(2).getTime();
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389 if (last_access + ttlX < System.currentTimeMillis()) {
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390 artifactOutdated(id);
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391 return null;
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392 }
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393 }
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394
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395 String factoryName = load_result.getString(4);
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396
41
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397 if (factoryLookup == null) {
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398 logger.error("factory lookup == null");
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399 return null;
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400 }
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401
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402 ArtifactFactory factory = factoryLookup
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parents: 38
diff changeset
403 .getArtifactFactory(factoryName);
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
404
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
405 if (factory == null) {
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
406 logger.error("factory '" + factoryName + "' not found");
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
407 return null;
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
408 }
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
409
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
410 byte [] bytes = load_result.getBytes(5);
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
411
84
72e2dd4feb31 Added the time to live of an artifact to the CallContext.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 80
diff changeset
412 return loader.load(factory, ttl, bytes, id);
15
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
413 }
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
414 catch (SQLException sqle) {
17
5a6b6a3debc7 Integrated logging into artifact database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 15
diff changeset
415 logger.error(sqle.getLocalizedMessage(), sqle);
15
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
416 }
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
417 finally {
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
418 if (load_result != null) {
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
419 try { load_result.close(); }
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
420 catch (SQLException sqle) {}
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
421 }
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
422 if (stmnt_load != null) {
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
423 try { load_result.close(); }
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
424 catch (SQLException sqle) {}
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
425 }
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
426 if (connection != null) {
47
4ae4dc99127d Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 46
diff changeset
427 try { connection.close(); }
15
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
428 catch (SQLException sqle) {}
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
429 }
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
430 }
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
431 return null;
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
432 }
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
433
90
68285f7bc476 More javadoc.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 86
diff changeset
434 /**
68285f7bc476 More javadoc.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 86
diff changeset
435 * Called if the load mechanism found an outdated artifact.
68285f7bc476 More javadoc.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 86
diff changeset
436 * It wakes up the database cleaner.
68285f7bc476 More javadoc.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 86
diff changeset
437 * @param id The id of the outdated artifact.
68285f7bc476 More javadoc.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 86
diff changeset
438 */
15
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
439 protected void artifactOutdated(int id) {
79
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 47
diff changeset
440 if (logger.isDebugEnabled()) {
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 47
diff changeset
441 logger.info("artifactOutdated: id = " + id);
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 47
diff changeset
442 }
30
88972c6daa4f Added a cleanup thread which periodically removes
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 27
diff changeset
443 if (cleaner != null) {
88972c6daa4f Added a cleanup thread which periodically removes
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 27
diff changeset
444 cleaner.wakeup();
88972c6daa4f Added a cleanup thread which periodically removes
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 27
diff changeset
445 }
15
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
446 }
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
447
41
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
448 public Artifact reviveArtifact(String factoryName, byte [] bytes) {
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
449 if (factoryLookup == null) {
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
450 logger.error("reviveArtifact: factory lookup == null");
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
451 return null;
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
452 }
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
453 ArtifactFactory factory = factoryLookup
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
454 .getArtifactFactory(factoryName);
32
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 31
diff changeset
455
41
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
456 if (factory == null) {
90
68285f7bc476 More javadoc.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 86
diff changeset
457 logger.error(
68285f7bc476 More javadoc.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 86
diff changeset
458 "reviveArtifact: no factory '" + factoryName + "' found");
41
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
459 return null;
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
460 }
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
461
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
462 ArtifactSerializer serializer = factory.getSerializer();
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
463
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
464 return serializer.fromBytes(bytes);
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
465 }
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
466
90
68285f7bc476 More javadoc.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 86
diff changeset
467 /**
68285f7bc476 More javadoc.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 86
diff changeset
468 * Internal method to store/replace an artifact inside the database.
68285f7bc476 More javadoc.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 86
diff changeset
469 * If an artifact with the given identifier does not exists it is
68285f7bc476 More javadoc.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 86
diff changeset
470 * created else only the content data is updated.
68285f7bc476 More javadoc.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 86
diff changeset
471 * @param artifact The artifact to be store/update inside the database.
68285f7bc476 More javadoc.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 86
diff changeset
472 * @param factory The factory that created the artifact.
68285f7bc476 More javadoc.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 86
diff changeset
473 * @param ttl The initial time to life of the artifact.
68285f7bc476 More javadoc.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 86
diff changeset
474 * @return The database id of the stored/updated artifact.
68285f7bc476 More javadoc.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 86
diff changeset
475 */
80
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
476 protected int storeOrReplaceDatabase(
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
477 Artifact artifact,
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
478 ArtifactFactory factory,
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
479 Long ttl
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
480 ) {
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
481 String uuid = artifact.identifier();
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
482
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
483 if (!StringUtils.checkUUID(uuid)) {
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
484 throw new RuntimeException("No valid UUID");
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
485 }
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
486
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
487 Connection connection = null;
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
488 PreparedStatement stmnt = null;
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
489 ResultSet result = null;
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
490
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
491 DataSource dataSource = DBConnection.getDataSource();
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
492 try {
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
493 connection = dataSource.getConnection();
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
494 try {
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
495 connection.setAutoCommit(false);
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
496
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
497 stmnt = connection.prepareStatement(SQL_GET_ID);
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
498
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
499 stmnt.setString(1, uuid);
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
500 result = stmnt.executeQuery();
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
501
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
502 Integer ID = result.next()
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
503 ? Integer.valueOf(result.getInt(1))
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
504 : null;
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
505
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
506 result.close(); result = null;
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
507 stmnt.close(); stmnt = null;
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
508
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
509 if (ID != null) { // already in database
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
510 int id = ID.intValue();
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
511
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
512 stmnt = connection.prepareStatement(SQL_REPLACE);
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
513
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
514 if (ttl == null) {
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
515 stmnt.setNull(1, Types.BIGINT);
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
516 }
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
517 else {
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
518 stmnt.setLong(1, ttl.longValue());
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
519 }
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
520
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
521 stmnt.setString(2, factory.getName());
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
522 stmnt.setBytes(
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
523 3,
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
524 factory.getSerializer().toBytes(artifact));
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
525 stmnt.setInt(4, id);
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
526
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
527 stmnt.execute();
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
528 connection.commit();
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
529 return id;
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
530 }
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
531
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
532 stmnt = connection.prepareStatement(SQL_NEXT_ID);
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
533 result = stmnt.executeQuery();
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
534
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
535 if (!result.next()) {
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
536 throw new RuntimeException("No id generated");
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
537 }
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
538
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
539 int id = result.getInt(1);
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
540
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
541 result.close(); result = null;
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
542 stmnt.close(); stmnt = null;
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
543
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
544 stmnt = connection.prepareStatement(SQL_INSERT);
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
545
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
546 stmnt.setInt(1, id);
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
547 stmnt.setString(2, uuid);
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
548 if (ttl == null) {
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
549 stmnt.setNull(3, Types.BIGINT);
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
550 }
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
551 else {
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
552 stmnt.setLong(3, ttl.longValue());
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
553 }
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
554
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
555 stmnt.setString(4, factory.getName());
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
556
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
557 stmnt.setBytes(
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
558 5,
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
559 factory.getSerializer().toBytes(artifact));
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
560
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
561 stmnt.execute();
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
562 connection.commit();
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
563 return id;
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
564 }
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
565 catch (SQLException sqle) {
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
566 connection.rollback();
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
567 throw sqle;
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
568 }
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
569 }
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
570 catch (SQLException sqle) {
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
571 logger.error(sqle.getLocalizedMessage(), sqle);
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
572 }
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
573 finally {
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
574 if (result != null) {
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
575 try { result.close(); }
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
576 catch (SQLException sqle) {}
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
577 }
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
578 if (stmnt != null) {
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
579 try { stmnt.close(); }
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
580 catch (SQLException sqle) {}
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
581 }
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
582 if (connection != null) {
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
583 try { connection.close(); }
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
584 catch (SQLException sqle) {}
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
585 }
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
586 }
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
587 throw new RuntimeException("failed insert artifact into database");
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
588 }
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 79
diff changeset
589
90
68285f7bc476 More javadoc.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 86
diff changeset
590 /**
68285f7bc476 More javadoc.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 86
diff changeset
591 * Internal method to store an artifact inside the database.
68285f7bc476 More javadoc.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 86
diff changeset
592 * @param artifact The artifact to be stored.
68285f7bc476 More javadoc.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 86
diff changeset
593 * @param factory The factory which created the artifact.
68285f7bc476 More javadoc.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 86
diff changeset
594 * @param ttl The initial time to live of the artifact.
68285f7bc476 More javadoc.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 86
diff changeset
595 * @return The database id of the stored artifact.
68285f7bc476 More javadoc.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 86
diff changeset
596 */
41
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
597 protected int insertDatabase(
47
4ae4dc99127d Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 46
diff changeset
598 Artifact artifact,
41
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
599 ArtifactFactory factory,
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
600 Long ttl
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
601 ) {
32
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 31
diff changeset
602 String uuid = artifact.identifier();
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 31
diff changeset
603
14
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
604 Connection connection = null;
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
605 PreparedStatement stmnt_next_id = null;
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
606 PreparedStatement stmnt_insert = null;
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
607 ResultSet res_id = null;
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
608
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
609 DataSource dataSource = DBConnection.getDataSource();
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
610 try {
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
611 connection = dataSource.getConnection();
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
612 try {
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
613 connection.setAutoCommit(false);
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
614
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
615 stmnt_next_id = connection.prepareStatement(SQL_NEXT_ID);
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
616 stmnt_insert = connection.prepareStatement(SQL_INSERT);
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
617
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
618 res_id = stmnt_next_id.executeQuery();
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
619
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
620 if (!res_id.next()) {
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
621 throw new RuntimeException("No id generated");
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
622 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
623
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
624 int id = res_id.getInt(1);
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
625
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
626 stmnt_insert.setInt(1, id);
32
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 31
diff changeset
627 stmnt_insert.setString(2, uuid);
14
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
628 if (ttl == null) {
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
629 stmnt_insert.setNull(3, Types.BIGINT);
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
630 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
631 else {
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
632 stmnt_insert.setLong(3, ttl.longValue());
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
633 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
634
41
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
635 stmnt_insert.setString(4, factory.getName());
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
636
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
637 stmnt_insert.setBytes(
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
638 5,
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
639 factory.getSerializer().toBytes(artifact));
32
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 31
diff changeset
640
14
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
641 stmnt_insert.execute();
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
642
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
643 connection.commit();
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
644
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
645 return id;
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
646 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
647 catch (SQLException sqle) {
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
648 connection.rollback();
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
649 throw sqle;
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
650 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
651 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
652 catch (SQLException sqle) {
17
5a6b6a3debc7 Integrated logging into artifact database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 15
diff changeset
653 logger.error(sqle.getLocalizedMessage(), sqle);
14
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
654 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
655 finally {
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
656 if (res_id != null) {
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
657 try { res_id.close(); }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
658 catch (SQLException sqle) {}
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
659 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
660 if (stmnt_insert != null) {
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
661 try { stmnt_insert.close(); }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
662 catch (SQLException sqle) {}
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
663 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
664 if (stmnt_next_id != null) {
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
665 try { stmnt_next_id.close(); }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
666 catch (SQLException sqle) {}
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
667 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
668 if (connection != null) {
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
669 try { connection.close(); }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
670 catch (SQLException sqle) {}
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
671 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
672 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
673 throw new RuntimeException("failed insert artifact into database");
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
674 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
675
90
68285f7bc476 More javadoc.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 86
diff changeset
676 /**
68285f7bc476 More javadoc.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 86
diff changeset
677 * Touches the access timestamp of a given artifact to prevent
68285f7bc476 More javadoc.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 86
diff changeset
678 * that it will be removed from the database by the database cleaner.
68285f7bc476 More javadoc.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 86
diff changeset
679 * @param artifact The persistent wrapper around the living artifact.
68285f7bc476 More javadoc.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 86
diff changeset
680 */
32
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 31
diff changeset
681 public void touch(PersistentArtifact artifact) {
26
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
682
14
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
683 try {
26
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
684 Connection connection = null;
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
685 PreparedStatement stmnt_touch = null;
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
686 DataSource dataSource = DBConnection.getDataSource();
14
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
687 try {
26
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
688 connection = dataSource.getConnection();
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
689 try {
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
690 connection.setAutoCommit(false);
41
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
691 stmnt_touch = connection.prepareStatement(SQL_TOUCH);
32
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 31
diff changeset
692 stmnt_touch.setInt(1, artifact.getId());
26
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
693 stmnt_touch.execute();
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
694 connection.commit();
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
695 }
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
696 catch (SQLException sqle) {
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
697 connection.rollback();
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
698 }
14
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
699 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
700 catch (SQLException sqle) {
26
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
701 logger.error(sqle.getLocalizedMessage(), sqle);
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
702 }
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
703 finally {
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
704 if (stmnt_touch != null) {
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
705 try { stmnt_touch.close(); }
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
706 catch (SQLException sqle) {}
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
707 }
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
708 if (connection != null) {
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
709 try { connection.close(); }
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
710 catch (SQLException sqle) {}
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
711 }
14
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
712 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
713 }
26
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
714 catch (Exception e) {
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
715 logger.error(e.getLocalizedMessage(), e);
14
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
716 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
717 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
718
90
68285f7bc476 More javadoc.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 86
diff changeset
719 /**
68285f7bc476 More javadoc.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 86
diff changeset
720 * Writes modification of an artifact back to the database.
68285f7bc476 More javadoc.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 86
diff changeset
721 * @param artifact The persistent wrapper around a living
68285f7bc476 More javadoc.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 86
diff changeset
722 * artifact.
68285f7bc476 More javadoc.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 86
diff changeset
723 */
32
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 31
diff changeset
724 public void store(PersistentArtifact artifact) {
26
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
725
14
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
726 try {
26
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
727 Connection connection = null;
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
728 PreparedStatement stmnt_update = null;
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
729 DataSource dataSource = DBConnection.getDataSource();
14
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
730 try {
26
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
731 connection = dataSource.getConnection();
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
732 try {
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
733 connection.setAutoCommit(false);
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
734 stmnt_update = connection.prepareStatement(SQL_UPDATE);
32
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 31
diff changeset
735 stmnt_update.setInt(2, artifact.getId());
26
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
736
41
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
737 byte [] bytes = artifact
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
738 .getSerializer()
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
739 .toBytes(artifact.getArtifact());
26
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
740
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
741 stmnt_update.setBytes(1, bytes);
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
742 stmnt_update.execute();
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
743 connection.commit();
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
744 }
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
745 catch (SQLException sqle) {
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
746 connection.rollback();
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
747 }
14
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
748 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
749 catch (SQLException sqle) {
26
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
750 logger.error(sqle.getLocalizedMessage(), sqle);
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
751 }
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
752 finally {
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
753 if (stmnt_update != null) {
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
754 try { stmnt_update.close(); }
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
755 catch (SQLException sqle) {}
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
756 }
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
757 if (connection != null) {
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
758 try { connection.close(); }
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
759 catch (SQLException sqle) {}
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
760 }
14
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
761 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
762 }
26
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
763 catch (Exception e) {
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
764 logger.error(e.getLocalizedMessage(), e);
14
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
765 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
766 }
13
0d6badf6af42 Added not yet working backend to artifact database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
767 }
79
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 47
diff changeset
768 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org