Mercurial > dive4elements > framework

annotate artifact-database/src/main/java/de/intevation/artifactdatabase/Backend.java @ 18:63a8aa276693

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NameSpaceURL and NamespacePrefix added artifacts/trunk@34 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Tim Englich <tim.englich@intevation.de>
date Tue, 08 Sep 2009 07:51:34 +0000
parents 5a6b6a3debc7
children 72abee95fd64
rev   line source
13
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1 package de.intevation.artifactdatabase;
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2
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3 import org.w3c.dom.Document;
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4
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5 import java.util.UUID;
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6
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7 import java.sql.Connection;
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8 import java.sql.SQLException;
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9 import java.sql.PreparedStatement;
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10 import java.sql.Types;
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11 import java.sql.ResultSet;
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12 import java.sql.Timestamp;
14
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13
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14 import javax.sql.DataSource;
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15
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16 import java.io.IOException;
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17 import java.io.ByteArrayInputStream;
14
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18 import java.io.ByteArrayOutputStream;
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19 import java.io.ObjectOutputStream;
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20 import java.io.ObjectInputStream;
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21
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22 import java.util.zip.GZIPOutputStream;
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23 import java.util.zip.GZIPInputStream;
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24
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25 import de.intevation.artifacts.ArtifactFactory;
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26 import de.intevation.artifacts.Artifact;
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27
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28 import org.apache.log4j.Logger;
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29
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30 /**
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31 * @author Sascha L. Teichmann
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32 */
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33 public class Backend
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34 {
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35 private static Logger logger = Logger.getLogger(Backend.class);
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36
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37 public static final String SQL_NEXT_ID =
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38 SQL.get("artifacts.id.nextval");
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39
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40 public static final String SQL_INSERT =
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41 SQL.get("artifacts.insert");
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42
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43 public static final String SQL_UPDATE =
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44 SQL.get("artifacts.update");
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45
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46 public static final String SQL_TOUCH =
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47 SQL.get("artifacts.touch");
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48
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49 public static final String SQL_LOAD_BY_GID =
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50 SQL.get("artifacts.select.gid");
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51
14
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52 /**
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53 * Used to wrap the calls to invole database actions.
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54 */
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55 public class ArtifactProxy
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56 implements Artifact
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57 {
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58 protected Artifact original;
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59 protected int id;
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60 protected boolean unwritten;
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61
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62 public ArtifactProxy() {
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63 }
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64
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65 public ArtifactProxy(Artifact original, int id, boolean unwritten) {
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66 this.original = original;
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67 this.id = id;
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68 this.unwritten = unwritten;
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69 }
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70
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71 public Artifact getOriginal() {
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72 return original;
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73 }
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74
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75 public int getId() {
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76 return id;
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77 }
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78
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79 public boolean isUnwritten() {
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80 return unwritten;
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81 }
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82
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83 public String identifier() {
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84 return original.identifier();
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85 }
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86
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87 public String hash() {
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88 return original.hash();
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89 }
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90
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91 public Document describe(Object context) {
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92 try {
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93 return original.describe(context);
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94 }
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95 finally {
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96 touch(this);
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97 }
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98 }
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99
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100 public Document advance(Document target, Object context) {
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101 try {
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102 return original.advance(target, context);
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103 }
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104 finally {
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105 store(this);
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106 }
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107 }
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108
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109 public Document feed(Document data, Object context) {
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110 try {
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111 return original.feed(data, context);
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112 }
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113 finally {
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114 store(this);
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115 }
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116 }
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117
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118 public byte [] out(Document format, Object context) {
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119 try {
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120 return original.out(format, context);
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121 }
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122 finally {
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diff changeset
123 touch(this);
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diff changeset
124 }
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parents: 13
diff changeset
125 }
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parents: 13
diff changeset
126
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diff changeset
127 public void setup(String identifier, Object context) {
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diff changeset
128 original.setup(identifier, context);
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diff changeset
129 }
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parents: 13
diff changeset
130
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diff changeset
131 public void endOfLife(Object context) {
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diff changeset
132 original.endOfLife(context);
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diff changeset
133 }
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diff changeset
134
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diff changeset
135 public byte [] toBytes() {
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diff changeset
136 try {
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diff changeset
137 ByteArrayOutputStream bos = new ByteArrayOutputStream();
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diff changeset
138 GZIPOutputStream gos = new GZIPOutputStream(bos);
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diff changeset
139 ObjectOutputStream oos = new ObjectOutputStream(gos);
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parents: 13
diff changeset
140
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diff changeset
141 oos.writeObject(original);
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diff changeset
142 oos.flush();
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diff changeset
143
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diff changeset
144 return bos.toByteArray();
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diff changeset
145 }
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parents: 13
diff changeset
146 catch (IOException ioe) {
17
5a6b6a3debc7 Integrated logging into artifact database.
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diff changeset
147 logger.error(ioe.getLocalizedMessage(), ioe);
14
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diff changeset
148 throw new RuntimeException(ioe);
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diff changeset
149 }
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150 }
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diff changeset
151 } // class ArtifactProxy
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152
13
0d6badf6af42 Added not yet working backend to artifact database.
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153 public Backend() {
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parents:
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154 }
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parents:
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155
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156 public Artifact getArtifact(String idenitfier) {
15
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diff changeset
157 UUID uuid;
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diff changeset
158
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diff changeset
159 try {
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diff changeset
160 uuid = UUID.fromString(idenitfier);
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diff changeset
161 }
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parents: 14
diff changeset
162 catch (IllegalArgumentException iae) {
17
5a6b6a3debc7 Integrated logging into artifact database.
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parents: 15
diff changeset
163 logger.warn(iae.getLocalizedMessage());
15
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diff changeset
164 return null;
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parents: 14
diff changeset
165 }
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parents: 14
diff changeset
166
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diff changeset
167 return getArtifactByUUID(uuid);
13
0d6badf6af42 Added not yet working backend to artifact database.
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parents:
diff changeset
168 }
0d6badf6af42 Added not yet working backend to artifact database.
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parents:
diff changeset
169
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parents:
diff changeset
170 public Artifact createArtifactWithFactory(
0d6badf6af42 Added not yet working backend to artifact database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
171 ArtifactFactory factory, Object context
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
172 ) {
14
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diff changeset
173 UUID uuid = UUID.randomUUID();
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diff changeset
174 Artifact artifact = factory.createArtifact(
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parents: 13
diff changeset
175 uuid.toString(), context);
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parents: 13
diff changeset
176
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diff changeset
177 Long ttl = factory.timeToLiveUntouched(
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parents: 13
diff changeset
178 artifact, context);
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parents: 13
diff changeset
179
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diff changeset
180 int id = insertDatabase(uuid, ttl);
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diff changeset
181
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diff changeset
182 return new ArtifactProxy(artifact, id, true);
13
0d6badf6af42 Added not yet working backend to artifact database.
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parents:
diff changeset
183 }
14
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parents: 13
diff changeset
184
15
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diff changeset
185 protected Artifact getArtifactByUUID(UUID uuid) {
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diff changeset
186
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diff changeset
187 Connection connection = null;
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diff changeset
188 PreparedStatement stmnt_load = null;
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parents: 14
diff changeset
189 ResultSet load_result = null;
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parents: 14
diff changeset
190
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parents: 14
diff changeset
191 DataSource dataSource = DBConnection.getDataSource();
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parents: 14
diff changeset
192 try {
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parents: 14
diff changeset
193 connection = dataSource.getConnection();
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parents: 14
diff changeset
194 stmnt_load = connection.prepareStatement(SQL_LOAD_BY_GID);
9ad6ec2d09c3 Implemented restoring artifacts from database.
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parents: 14
diff changeset
195 stmnt_load.setString(1, uuid.toString());
9ad6ec2d09c3 Implemented restoring artifacts from database.
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diff changeset
196
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diff changeset
197 load_result = stmnt_load.executeQuery();
9ad6ec2d09c3 Implemented restoring artifacts from database.
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diff changeset
198
9ad6ec2d09c3 Implemented restoring artifacts from database.
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diff changeset
199 if (!load_result.next()) {
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
200 return null;
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
201 }
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
202
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
203 int id = load_result.getInt(1);
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
204 long ttl = load_result.getLong(3);
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
205
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
206 if (!load_result.wasNull()) { // real time to life
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
207 long last_access = load_result.getTimestamp(2).getTime();
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
208 if (last_access + ttl > System.currentTimeMillis()) {
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
209 artifactOutdated(id);
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
210 return null;
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
211 }
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
212 }
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
213
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
214 byte [] bytes = load_result.getBytes(4);
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
215
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
216 if (bytes == null) {
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
217 return null;
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
218 }
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
219
9ad6ec2d09c3 Implemented restoring artifacts from database.
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parents: 14
diff changeset
220 Artifact original = restoreArtifact(bytes);
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
221 if (original == null) {
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
222 return null;
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
223 }
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
224
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
225 return new ArtifactProxy(original, id, false);
9ad6ec2d09c3 Implemented restoring artifacts from database.
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parents: 14
diff changeset
226 }
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
227 catch (SQLException sqle) {
17
5a6b6a3debc7 Integrated logging into artifact database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 15
diff changeset
228 logger.error(sqle.getLocalizedMessage(), sqle);
15
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
229 }
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
230 finally {
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
231 if (load_result != null) {
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
232 try { load_result.close(); }
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
233 catch (SQLException sqle) {}
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
234 }
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
235 if (stmnt_load != null) {
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
236 try { load_result.close(); }
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
237 catch (SQLException sqle) {}
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
238 }
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
239 if (connection != null) {
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
240 try { connection.close(); }
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
241 catch (SQLException sqle) {}
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
242 }
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
243 }
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
244 return null;
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
245 }
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
246
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
247 public static Artifact restoreArtifact(byte [] bytes) {
9ad6ec2d09c3 Implemented restoring artifacts from database.
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parents: 14
diff changeset
248
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
249 ObjectInputStream ois = null;
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
250
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
251 try {
9ad6ec2d09c3 Implemented restoring artifacts from database.
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parents: 14
diff changeset
252 ByteArrayInputStream bis = new ByteArrayInputStream(bytes);
9ad6ec2d09c3 Implemented restoring artifacts from database.
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parents: 14
diff changeset
253 GZIPInputStream gis = new GZIPInputStream(bis);
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
254 ois = new ObjectInputStream(gis);
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
255
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
256 return (Artifact)ois.readObject();
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
257 }
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
258 catch (IOException ioe) {
17
5a6b6a3debc7 Integrated logging into artifact database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 15
diff changeset
259 logger.error(ioe.getLocalizedMessage(), ioe);
15
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
260 }
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
261 catch (ClassNotFoundException cnfe) {
17
5a6b6a3debc7 Integrated logging into artifact database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 15
diff changeset
262 logger.error(cnfe.getLocalizedMessage(), cnfe);
15
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
263 }
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
264 catch (ClassCastException cce) {
17
5a6b6a3debc7 Integrated logging into artifact database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 15
diff changeset
265 logger.error(cce.getLocalizedMessage(), cce);
15
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
266 }
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
267 finally {
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
268 if (ois != null) {
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
269 try { ois.close(); }
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
270 catch (IOException ioe) { }
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
271 }
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
272 }
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
273
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
274 return null;
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
275 }
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
276
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
277 protected void artifactOutdated(int id) {
17
5a6b6a3debc7 Integrated logging into artifact database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 15
diff changeset
278 logger.info("artifactOutdated: id = " + id);
15
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
279 }
9ad6ec2d09c3 Implemented restoring artifacts from database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 14
diff changeset
280
14
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
281 protected int insertDatabase(UUID uuid, Long ttl) {
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
282 Connection connection = null;
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
283 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
284 PreparedStatement stmnt_insert = null;
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
285 ResultSet res_id = null;
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
286
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
287 DataSource dataSource = DBConnection.getDataSource();
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
288 try {
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
289 connection = dataSource.getConnection();
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
290 try {
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
291 connection.setAutoCommit(false);
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
292
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
293 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
294 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
295
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
296 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
297
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
298 if (!res_id.next()) {
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
299 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
300 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
301
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
302 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
303
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
304 stmnt_insert.setInt(1, id);
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
305 stmnt_insert.setString(2, uuid.toString());
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
306 if (ttl == null) {
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
307 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
308 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
309 else {
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
310 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
311 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
312
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
313 stmnt_insert.execute();
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
314
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
315 connection.commit();
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
316
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
317 return id;
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
318 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
319 catch (SQLException sqle) {
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
320 connection.rollback();
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
321 throw sqle;
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
322 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
323 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
324 catch (SQLException sqle) {
17
5a6b6a3debc7 Integrated logging into artifact database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 15
diff changeset
325 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
326 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
327 finally {
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
328 if (res_id != null) {
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
329 try { res_id.close(); }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
330 catch (SQLException sqle) {}
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
331 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
332 if (stmnt_insert != null) {
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
333 try { stmnt_insert.close(); }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
334 catch (SQLException sqle) {}
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
335 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
336 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
337 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
338 catch (SQLException sqle) {}
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
339 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
340 if (connection != null) {
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
341 try { connection.close(); }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
342 catch (SQLException sqle) {}
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
343 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
344 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
345 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
346 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
347
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
348 public void touch(ArtifactProxy proxy) {
17
5a6b6a3debc7 Integrated logging into artifact database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 15
diff changeset
349 logger.info("touch: " + proxy);
14
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
350 if (proxy.isUnwritten()) {
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
351 store(proxy);
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
352 return;
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
353 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
354 Connection connection = null;
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
355 PreparedStatement stmnt_touch = null;
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
356 DataSource dataSource = DBConnection.getDataSource();
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
357 try {
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
358 connection = dataSource.getConnection();
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
359 try {
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
360 connection.setAutoCommit(false);
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
361 stmnt_touch = connection.prepareStatement(SQL_UPDATE);
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
362 stmnt_touch.setInt(1, proxy.getId());
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
363 stmnt_touch.execute();
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
364 connection.commit();
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
365 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
366 catch (SQLException sqle) {
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
367 connection.rollback();
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
368 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
369 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
370 catch (SQLException sqle) {
17
5a6b6a3debc7 Integrated logging into artifact database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 15
diff changeset
371 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
372 }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
373 finally {
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
374 if (stmnt_touch != null) {
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
375 try { stmnt_touch.close(); }
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 13
diff changeset
376 catch (SQLException sqle) {}
0d16d1bb2df0 Initial checkin of artigact persistents back by database.
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377 }
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378 if (connection != null) {
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379 try { connection.close(); }
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380 catch (SQLException sqle) {}
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381 }
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382 }
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383 }
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384
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385 public void store(ArtifactProxy proxy) {
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386 logger.info("store: " + proxy);
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387 Connection connection = null;
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388 PreparedStatement stmnt_update = null;
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389 DataSource dataSource = DBConnection.getDataSource();
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390 try {
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391 connection = dataSource.getConnection();
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392 try {
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393 connection.setAutoCommit(false);
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394 stmnt_update = connection.prepareStatement(SQL_UPDATE);
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395 stmnt_update.setInt(1, proxy.getId());
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396 stmnt_update.setBytes(2, proxy.toBytes());
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397 stmnt_update.execute();
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398 connection.commit();
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parents: 13
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399 }
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parents: 13
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400 catch (SQLException sqle) {
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parents: 13
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401 connection.rollback();
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402 }
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parents: 13
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403 }
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parents: 13
diff changeset
404 catch (SQLException sqle) {
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405 logger.error(sqle.getLocalizedMessage(), sqle);
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parents: 13
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406 }
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diff changeset
407 finally {
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parents: 13
diff changeset
408 if (stmnt_update != null) {
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parents: 13
diff changeset
409 try { stmnt_update.close(); }
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parents: 13
diff changeset
410 catch (SQLException sqle) {}
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parents: 13
diff changeset
411 }
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parents: 13
diff changeset
412 if (connection != null) {
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parents: 13
diff changeset
413 try { connection.close(); }
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parents: 13
diff changeset
414 catch (SQLException sqle) {}
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parents: 13
diff changeset
415 }
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parents: 13
diff changeset
416 }
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parents: 13
diff changeset
417 }
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parents: 13
diff changeset
418
13
0d6badf6af42 Added not yet working backend to artifact database.
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parents:
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419 }
0d6badf6af42 Added not yet working backend to artifact database.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
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420 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8:
http://dive4elements.wald.intevation.org