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annotate artifact-database/src/main/java/de/intevation/artifactdatabase/Backend.java @ 85:78263e910675

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Completed Javadoc of sub module 'artifacts'. artifacts/trunk@831 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Fri, 26 Mar 2010 09:41:38 +0000
parents 72e2dd4feb31
children b2e0cb83631c
rev   line source
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1 package de.intevation.artifactdatabase;
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2
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3 import java.sql.Connection;
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4 import java.sql.SQLException;
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5 import java.sql.PreparedStatement;
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6 import java.sql.Types;
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7 import java.sql.ResultSet;
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8
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9 import javax.sql.DataSource;
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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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15 import org.apache.log4j.Logger;
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17 /**
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18 * @author <a href="mailto:sascha.teichmann@intevation.de">Sascha L. Teichmann</a>
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19 */
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20 public class Backend
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21 implements DatabaseCleaner.ArtifactReviver
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22 {
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23 private static Logger logger = Logger.getLogger(Backend.class);
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25 public static final String SQL_NEXT_ID =
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26 SQL.get("artifacts.id.nextval");
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28 public static final String SQL_INSERT =
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29 SQL.get("artifacts.insert");
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31 public static final String SQL_UPDATE =
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32 SQL.get("artifacts.update");
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34 public static final String SQL_TOUCH =
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35 SQL.get("artifacts.touch");
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36
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37 public static final String SQL_LOAD_BY_GID =
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38 SQL.get("artifacts.select.gid");
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40 public static final String SQL_GET_ID =
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41 SQL.get("artifacts.get.id");
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43 public static final String SQL_REPLACE =
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44 SQL.get("artifacts.replace");
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45
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46 protected DatabaseCleaner cleaner;
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48 protected FactoryLookup factoryLookup;
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50 public interface FactoryLookup {
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51
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52 ArtifactFactory getArtifactFactory(String factoryName);
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54 } // interface FactoryLookup
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55
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56 public final class PersistentArtifact
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57 extends Id
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58 {
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59 private Artifact artifact;
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60 private ArtifactSerializer serializer;
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61 private Long ttl;
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63 public PersistentArtifact(
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64 Artifact artifact,
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65 ArtifactSerializer serializer,
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66 Long ttl,
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67 int id
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68 ) {
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69 super(id);
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70 this.artifact = artifact;
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71 this.serializer = serializer;
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72 this.ttl = ttl;
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73 }
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74
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75 public Artifact getArtifact() {
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76 return artifact;
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77 }
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79 public ArtifactSerializer getSerializer() {
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80 return serializer;
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81 }
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83 public Long getTTL() {
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84 return ttl;
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85 }
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87 public void store() {
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88 if (logger.isDebugEnabled()) {
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89 logger.debug("storing artifact id = " + getId());
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90 }
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91 Backend.this.store(this);
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92 }
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93
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94 public void touch() {
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95 if (logger.isDebugEnabled()) {
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96 logger.debug("touching artifact id = " + getId());
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97 }
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98 Backend.this.touch(this);
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99 }
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100 } // class ArtifactWithId
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101
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102 public Backend() {
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103 }
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104
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105 public Backend(DatabaseCleaner cleaner) {
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106 this.cleaner = cleaner;
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107 }
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108
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109 public void setFactoryLookup(FactoryLookup factoryLookup) {
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110 this.factoryLookup = factoryLookup;
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111 }
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112
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113 public void setCleaner(DatabaseCleaner cleaner) {
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114 this.cleaner = cleaner;
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115 }
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116
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117 public String newIdentifier() {
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118 // TODO: check database for collisions.
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119 return StringUtils.newUUID();
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120 }
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121
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122 public PersistentArtifact storeInitially(
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123 Artifact artifact,
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124 ArtifactFactory factory,
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125 Long ttl
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126 )
32
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127 throws Exception
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128 {
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129 return new PersistentArtifact(
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130 artifact,
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131 factory.getSerializer(),
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132 ttl,
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133 insertDatabase(artifact, factory, ttl));
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134 }
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135
80
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136 public PersistentArtifact storeOrReplace(
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137 Artifact artifact,
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138 ArtifactFactory factory,
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139 Long ttl
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140 )
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141 throws Exception
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142 {
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143 return new PersistentArtifact(
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144 artifact,
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145 factory.getSerializer(),
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146 ttl,
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147 storeOrReplaceDatabase(artifact, factory, ttl));
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148 }
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149
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150 public interface ArtifactLoader {
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151
84
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152 Object load(ArtifactFactory factory, Long ttl, byte [] bytes, int id);
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153
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154 } // interface ArtifactLoader
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155
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156 public PersistentArtifact getArtifact(String identifer) {
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157
79
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158 return (PersistentArtifact)loadArtifact(
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159 identifer,
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160 new ArtifactLoader() {
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161
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162 public Object load(
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163 ArtifactFactory factory,
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164 Long ttl,
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165 byte [] bytes,
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166 int id
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167 ) {
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168 ArtifactSerializer serializer = factory.getSerializer();
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169
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170 Artifact artifact = serializer.fromBytes(bytes);
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171
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172 return artifact == null
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173 ? null
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174 : new PersistentArtifact(artifact, serializer, ttl, id);
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175 }
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176 });
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177 }
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178
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179 public Object loadArtifact(String identifer, ArtifactLoader loader) {
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180
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181 if (!StringUtils.checkUUID(identifer)) {
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182 return null;
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183 }
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184
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185 Connection connection = null;
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186 PreparedStatement stmnt_load = null;
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187 ResultSet load_result = null;
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188
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189 DataSource dataSource = DBConnection.getDataSource();
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190 try {
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191 connection = dataSource.getConnection();
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192 stmnt_load = connection.prepareStatement(SQL_LOAD_BY_GID);
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193 stmnt_load.setString(1, identifer);
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194
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195 load_result = stmnt_load.executeQuery();
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196
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197 if (!load_result.next()) {
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198 return null;
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199 }
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200
84
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201 int id = load_result.getInt(1);
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202 long ttlX = load_result.getLong(3);
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203
84
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204 Long ttl = load_result.wasNull() ? null : Long.valueOf(ttlX);
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205
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206 if (ttl != null) { // real time to life
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207 long last_access = load_result.getTimestamp(2).getTime();
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208 if (last_access + ttlX < System.currentTimeMillis()) {
15
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209 artifactOutdated(id);
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210 return null;
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211 }
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212 }
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213
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214 String factoryName = load_result.getString(4);
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215
41
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216 if (factoryLookup == null) {
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217 logger.error("factory lookup == null");
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218 return null;
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219 }
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220
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221 ArtifactFactory factory = factoryLookup
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222 .getArtifactFactory(factoryName);
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223
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224 if (factory == null) {
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225 logger.error("factory '" + factoryName + "' not found");
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226 return null;
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227 }
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228
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229 byte [] bytes = load_result.getBytes(5);
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diff changeset
230
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231 return loader.load(factory, ttl, bytes, id);
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232 }
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233 catch (SQLException sqle) {
17
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234 logger.error(sqle.getLocalizedMessage(), sqle);
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235 }
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236 finally {
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237 if (load_result != null) {
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238 try { load_result.close(); }
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239 catch (SQLException sqle) {}
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240 }
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241 if (stmnt_load != null) {
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242 try { load_result.close(); }
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243 catch (SQLException sqle) {}
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244 }
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245 if (connection != null) {
47
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246 try { connection.close(); }
15
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247 catch (SQLException sqle) {}
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248 }
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249 }
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250 return null;
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251 }
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diff changeset
252
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diff changeset
253 protected void artifactOutdated(int id) {
79
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254 if (logger.isDebugEnabled()) {
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255 logger.info("artifactOutdated: id = " + id);
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256 }
30
88972c6daa4f Added a cleanup thread which periodically removes
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257 if (cleaner != null) {
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258 cleaner.wakeup();
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259 }
15
9ad6ec2d09c3 Implemented restoring artifacts from database.
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260 }
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261
41
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262 public Artifact reviveArtifact(String factoryName, byte [] bytes) {
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263 if (factoryLookup == null) {
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264 logger.error("reviveArtifact: factory lookup == null");
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265 return null;
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266 }
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267 ArtifactFactory factory = factoryLookup
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268 .getArtifactFactory(factoryName);
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c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
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269
41
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270 if (factory == null) {
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271 logger.error("reviveArtifact: no factory '" + factoryName + "' found");
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272 return null;
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273 }
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274
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275 ArtifactSerializer serializer = factory.getSerializer();
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276
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277 return serializer.fromBytes(bytes);
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278 }
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279
80
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280 protected int storeOrReplaceDatabase(
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281 Artifact artifact,
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282 ArtifactFactory factory,
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283 Long ttl
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284 ) {
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285 String uuid = artifact.identifier();
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286
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287 if (!StringUtils.checkUUID(uuid)) {
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288 throw new RuntimeException("No valid UUID");
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289 }
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290
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291 Connection connection = null;
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292 PreparedStatement stmnt = null;
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293 ResultSet result = null;
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294
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295 DataSource dataSource = DBConnection.getDataSource();
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296 try {
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297 connection = dataSource.getConnection();
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298 try {
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299 connection.setAutoCommit(false);
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300
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301 stmnt = connection.prepareStatement(SQL_GET_ID);
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302
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303 stmnt.setString(1, uuid);
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304 result = stmnt.executeQuery();
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diff changeset
305
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diff changeset
306 Integer ID = result.next()
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diff changeset
307 ? Integer.valueOf(result.getInt(1))
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308 : null;
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diff changeset
309
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diff changeset
310 result.close(); result = null;
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311 stmnt.close(); stmnt = null;
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diff changeset
312
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diff changeset
313 if (ID != null) { // already in database
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diff changeset
314 int id = ID.intValue();
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diff changeset
315
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316 stmnt = connection.prepareStatement(SQL_REPLACE);
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diff changeset
317
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diff changeset
318 if (ttl == null) {
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319 stmnt.setNull(1, Types.BIGINT);
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320 }
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321 else {
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diff changeset
322 stmnt.setLong(1, ttl.longValue());
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323 }
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diff changeset
324
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325 stmnt.setString(2, factory.getName());
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diff changeset
326 stmnt.setBytes(
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diff changeset
327 3,
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diff changeset
328 factory.getSerializer().toBytes(artifact));
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diff changeset
329 stmnt.setInt(4, id);
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diff changeset
330
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diff changeset
331 stmnt.execute();
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diff changeset
332 connection.commit();
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diff changeset
333 return id;
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diff changeset
334 }
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diff changeset
335
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diff changeset
336 stmnt = connection.prepareStatement(SQL_NEXT_ID);
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337 result = stmnt.executeQuery();
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diff changeset
338
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diff changeset
339 if (!result.next()) {
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diff changeset
340 throw new RuntimeException("No id generated");
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diff changeset
341 }
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diff changeset
342
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diff changeset
343 int id = result.getInt(1);
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diff changeset
344
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diff changeset
345 result.close(); result = null;
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diff changeset
346 stmnt.close(); stmnt = null;
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diff changeset
347
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diff changeset
348 stmnt = connection.prepareStatement(SQL_INSERT);
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diff changeset
349
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diff changeset
350 stmnt.setInt(1, id);
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diff changeset
351 stmnt.setString(2, uuid);
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diff changeset
352 if (ttl == null) {
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diff changeset
353 stmnt.setNull(3, Types.BIGINT);
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diff changeset
354 }
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diff changeset
355 else {
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
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diff changeset
356 stmnt.setLong(3, ttl.longValue());
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diff changeset
357 }
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diff changeset
358
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
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diff changeset
359 stmnt.setString(4, factory.getName());
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diff changeset
360
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
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diff changeset
361 stmnt.setBytes(
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diff changeset
362 5,
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diff changeset
363 factory.getSerializer().toBytes(artifact));
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diff changeset
364
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
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diff changeset
365 stmnt.execute();
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diff changeset
366 connection.commit();
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diff changeset
367 return id;
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
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diff changeset
368 }
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
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diff changeset
369 catch (SQLException sqle) {
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
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diff changeset
370 connection.rollback();
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diff changeset
371 throw sqle;
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diff changeset
372 }
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
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diff changeset
373 }
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
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diff changeset
374 catch (SQLException sqle) {
8447467cef86 Implementation to import artifacts from incoming xml documents (applied patch from issue208 by SLT).
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diff changeset
375 logger.error(sqle.getLocalizedMessage(), sqle);
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diff changeset
376 }
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
377 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
378 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
379 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
380 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
381 }
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
382 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
383 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
384 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
385 }
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
386 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
387 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
388 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
389 }
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
390 }
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
391 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
392 }
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
393
41
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
394 protected int insertDatabase(
47
4ae4dc99127d Removed trailing whitespace.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 46
diff changeset
395 Artifact artifact,
41
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
396 ArtifactFactory factory,
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
397 Long ttl
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
398 ) {
32
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 31
diff changeset
399 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
400
14
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
401 Connection connection = null;
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
402 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
403 PreparedStatement stmnt_insert = null;
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
404 ResultSet res_id = null;
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
405
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
406 DataSource dataSource = DBConnection.getDataSource();
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
407 try {
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
408 connection = dataSource.getConnection();
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
409 try {
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
410 connection.setAutoCommit(false);
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
411
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
412 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
413 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
414
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
415 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
416
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
417 if (!res_id.next()) {
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
418 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
419 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
420
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
421 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
422
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
423 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
424 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
425 if (ttl == null) {
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
426 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
427 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
428 else {
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
429 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
430 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
431
41
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
432 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
433
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
434 stmnt_insert.setBytes(
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
435 5,
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
436 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
437
14
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
438 stmnt_insert.execute();
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
439
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
440 connection.commit();
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
441
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
442 return id;
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
443 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
444 catch (SQLException sqle) {
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
445 connection.rollback();
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
446 throw sqle;
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
447 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
448 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
449 catch (SQLException sqle) {
17
5a6b6a3debc7 Integrated logging into artifact database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 15
diff changeset
450 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
451 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
452 finally {
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
453 if (res_id != null) {
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
454 try { res_id.close(); }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
455 catch (SQLException sqle) {}
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
456 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
457 if (stmnt_insert != null) {
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
458 try { stmnt_insert.close(); }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
459 catch (SQLException sqle) {}
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
460 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
461 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
462 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
463 catch (SQLException sqle) {}
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
464 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
465 if (connection != null) {
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
466 try { connection.close(); }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
467 catch (SQLException sqle) {}
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
468 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
469 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
470 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
471 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
472
32
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 31
diff changeset
473 public void touch(PersistentArtifact artifact) {
26
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
474
14
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
475 try {
26
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
476 Connection connection = null;
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
477 PreparedStatement stmnt_touch = null;
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
478 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
479 try {
26
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
480 connection = dataSource.getConnection();
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
481 try {
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
482 connection.setAutoCommit(false);
41
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
483 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
484 stmnt_touch.setInt(1, artifact.getId());
26
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
485 stmnt_touch.execute();
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
486 connection.commit();
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
487 }
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
488 catch (SQLException sqle) {
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
489 connection.rollback();
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
490 }
14
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
491 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
492 catch (SQLException sqle) {
26
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
493 logger.error(sqle.getLocalizedMessage(), sqle);
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
494 }
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
495 finally {
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
496 if (stmnt_touch != null) {
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
497 try { stmnt_touch.close(); }
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
498 catch (SQLException sqle) {}
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
499 }
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
500 if (connection != null) {
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
501 try { connection.close(); }
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
502 catch (SQLException sqle) {}
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
503 }
14
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
504 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
505 }
26
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
506 catch (Exception e) {
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
507 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
508 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
509 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
510
32
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 31
diff changeset
511 public void store(PersistentArtifact artifact) {
26
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
512
14
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
513 try {
26
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
514 Connection connection = null;
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
515 PreparedStatement stmnt_update = null;
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
516 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
517 try {
26
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
518 connection = dataSource.getConnection();
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
519 try {
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
520 connection.setAutoCommit(false);
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
521 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
522 stmnt_update.setInt(2, artifact.getId());
26
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
523
41
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
524 byte [] bytes = artifact
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
525 .getSerializer()
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 38
diff changeset
526 .toBytes(artifact.getArtifact());
26
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
527
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
528 stmnt_update.setBytes(1, bytes);
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
529 stmnt_update.execute();
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
530 connection.commit();
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
531 }
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
532 catch (SQLException sqle) {
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
533 connection.rollback();
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
534 }
14
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
535 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
536 catch (SQLException sqle) {
26
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
537 logger.error(sqle.getLocalizedMessage(), sqle);
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
538 }
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
539 finally {
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
540 if (stmnt_update != null) {
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
541 try { stmnt_update.close(); }
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
542 catch (SQLException sqle) {}
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
543 }
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
544 if (connection != null) {
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
545 try { connection.close(); }
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
546 catch (SQLException sqle) {}
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
547 }
14
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
548 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
549 }
26
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
550 catch (Exception e) {
83a059c204f8 Connected /create with artifact db.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 24
diff changeset
551 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
552 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
553 }
13
0d6badf6af42 Added not yet working backend to artifact database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
554 }
79
f69e5b87f05f Implementation to export artifacts as xml (applied patch from issue208 by SLT).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 47
diff changeset
555 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org