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annotate artifact-database/src/main/java/de/intevation/artifactdatabase/ArtifactDatabaseImpl.java @ 75:d4c4c23847f5

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Extended the Artifact-Interface-Method setup to be able to put the XML-Document which can contain further Data to the Artifact-Implementation. artifacts/trunk@649 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Tim Englich <tim.englich@intevation.de>
date Mon, 01 Feb 2010 13:54:05 +0000
parents ce488c1d3fc4
children f69e5b87f05f
rev   line source
13
0d6badf6af42 Added not yet working backend to artifact database.
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1 package de.intevation.artifactdatabase;
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2
75
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3 import java.io.IOException;
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4 import java.io.OutputStream;
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5 import java.util.ArrayList;
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6 import java.util.HashMap;
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7 import java.util.HashSet;
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8 import java.util.List;
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9
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10 import org.apache.log4j.Logger;
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11 import org.w3c.dom.Document;
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13 import de.intevation.artifactdatabase.Backend.PersistentArtifact;
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14 import de.intevation.artifacts.Artifact;
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15 import de.intevation.artifacts.ArtifactDatabase;
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16 import de.intevation.artifacts.ArtifactDatabaseException;
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17 import de.intevation.artifacts.ArtifactFactory;
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18 import de.intevation.artifacts.CallContext;
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19 import de.intevation.artifacts.CallMeta;
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20 import de.intevation.artifacts.Service;
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21 import de.intevation.artifacts.ServiceFactory;
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22
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23 /**
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24 * @author Sascha L. Teichmann
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25 */
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26 public class ArtifactDatabaseImpl
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27 implements ArtifactDatabase, Id.Filter, Backend.FactoryLookup
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28 {
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29 private static Logger logger =
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30 Logger.getLogger(ArtifactDatabaseImpl.class);
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32
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32 public static final String NO_SUCH_FACTORY =
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33 "No such factory";
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34
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35 public static final String NO_SUCH_ARTIFACT =
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36 "No such artifact";
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37
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38 public static final String NOT_IN_BACKGROUND =
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39 "Not in background";
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40
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41 public static final String INVALID_CALL_STATE =
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42 "Invalid after call state";
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43
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44 public static final String CREATION_FAILED =
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45 "Creation of artifact failed";
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46
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47 public static final String INTERNAL_ERROR =
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48 "Creation of artifact failed";
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50 public static final String NO_SUCH_SERVICE =
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51 "No such service";
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52
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53 public class CallContextImpl
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54 implements CallContext
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55 {
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56 protected PersistentArtifact artifact;
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57 protected int action;
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58 protected CallMeta callMeta;
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59 protected HashMap customValues;
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60
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61 public CallContextImpl(
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62 PersistentArtifact artifact,
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63 int action,
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64 CallMeta callMeta
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65 ) {
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66 this.artifact = artifact;
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67 this.action = action;
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68 this.callMeta = callMeta;
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69 }
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71 public void afterCall(int action) {
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72 this.action = action;
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73 if (action == BACKGROUND) {
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74 addIdToBackground(artifact.getId());
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75 }
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76 }
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77
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78 public void afterBackground(int action) {
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79 if (this.action != BACKGROUND) {
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80 throw new IllegalStateException(NOT_IN_BACKGROUND);
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81 }
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82 fromBackground(artifact, action);
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83 }
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84
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85 public Object globalContext() {
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86 return context;
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87 }
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88
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89 public ArtifactDatabase getDatabase() {
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90 return ArtifactDatabaseImpl.this;
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91 }
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92
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93 public CallMeta getMeta() {
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94 return callMeta;
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95 }
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96
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97 public void postCall() {
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98 switch (action) {
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99 case NOTHING:
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100 break;
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101 case TOUCH:
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102 artifact.touch();
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103 break;
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104 case STORE:
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105 artifact.store();
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106 break;
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107 case BACKGROUND:
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108 logger.warn("BACKGROUND processing is not fully implemented, yet!");
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109 artifact.store();
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110 break;
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111 default:
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112 logger.error(INVALID_CALL_STATE + ": " + action);
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113 throw new IllegalStateException(INVALID_CALL_STATE);
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114 }
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115 }
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116
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117 public Object getContextValue(Object key) {
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118 return customValues != null
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119 ? customValues.get(key)
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120 : null;
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121 }
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122
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123 public Object putContextValue(Object key, Object value) {
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124 if (customValues == null) {
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125 customValues = new HashMap();
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126 }
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127 return customValues.put(key, value);
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128 }
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129 } // class CallContextImpl
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130
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131 public class DeferredOutputImpl
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132 implements DeferredOutput
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133 {
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134 protected PersistentArtifact artifact;
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135 protected Document format;
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136 protected CallMeta callMeta;
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137
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138 public DeferredOutputImpl() {
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139 }
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140
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141 public DeferredOutputImpl(
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142 PersistentArtifact artifact,
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143 Document format,
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144 CallMeta callMeta
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145 ) {
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146 this.artifact = artifact;
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147 this.format = format;
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148 this.callMeta = callMeta;
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149 }
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150
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151 public void write(OutputStream output) throws IOException {
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152
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153 CallContextImpl cc = new CallContextImpl(
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154 artifact, CallContext.TOUCH, callMeta);
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155
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156 try {
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157 artifact.getArtifact().out(format, output, cc);
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158 }
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159 finally {
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160 cc.postCall();
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161 }
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162 }
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163 } // class DeferredOutputImpl
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164
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165 protected String [][] factoryNamesAndDescription;
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166 protected HashMap name2factory;
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167
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168 protected String [][] serviceNamesAndDescription;
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169 protected HashMap name2service;
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170
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171 protected Backend backend;
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172 protected Object context;
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173
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174 protected HashSet backgroundIds;
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175
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176 public ArtifactDatabaseImpl() {
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177 }
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178
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179 public ArtifactDatabaseImpl(FactoryBootstrap bootstrap) {
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180 this(bootstrap, null);
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181 }
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182
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183 public ArtifactDatabaseImpl(FactoryBootstrap bootstrap, Backend backend) {
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184
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185 backgroundIds = new HashSet();
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186
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187 setupArtifactFactories(bootstrap);
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188 setupServices(bootstrap);
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189
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190 context = bootstrap.getContext();
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191
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192 wireWithBackend(backend);
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193 }
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194
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195 protected void setupArtifactFactories(FactoryBootstrap bootstrap) {
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196 name2factory = new HashMap();
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197
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198 ArtifactFactory [] factories = bootstrap.getArtifactFactories();
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199 factoryNamesAndDescription = new String[factories.length][];
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200
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201 for (int i = 0; i < factories.length; ++i) {
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202
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203 ArtifactFactory factory = factories[i];
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204
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205 String name = factory.getName();
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206 String description = factory.getDescription();
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207
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208 factoryNamesAndDescription[i] =
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209 new String [] { name, description };
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210
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211 name2factory.put(name, factory);
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212 }
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213 }
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214
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215 protected void setupServices(FactoryBootstrap bootstrap) {
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216
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217 name2service = new HashMap();
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218
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219 ServiceFactory [] serviceFactories =
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220 bootstrap.getServiceFactories();
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221
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222 serviceNamesAndDescription =
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223 new String[serviceFactories.length][];
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224
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225 for (int i = 0; i < serviceFactories.length; ++i) {
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226 ServiceFactory factory = serviceFactories[i];
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227
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228 String name = factory.getName();
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229 String description = factory.getDescription();
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230
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231 serviceNamesAndDescription[i] =
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232 new String [] { name, description };
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233
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234 name2service.put(
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235 name,
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236 factory.createService(bootstrap.getContext()));
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237 }
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238
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239 }
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240
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241 public void wireWithBackend(Backend backend) {
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242 if (backend != null) {
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243 this.backend = backend;
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244 backend.setFactoryLookup(this);
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245 }
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246 }
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247
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248 protected void fromBackground(PersistentArtifact artifact, int action) {
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249 logger.warn("BACKGROUND processing is not fully implemented, yet!");
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250 switch (action) {
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251 case CallContext.NOTHING:
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252 break;
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253 case CallContext.TOUCH:
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diff changeset
254 artifact.touch();
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diff changeset
255 break;
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diff changeset
256 case CallContext.STORE:
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257 artifact.store();
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diff changeset
258 break;
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diff changeset
259 default:
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diff changeset
260 logger.warn("operation not allowed in fromBackground");
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diff changeset
261 }
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diff changeset
262 removeIdFromBackground(artifact.getId());
13
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parents:
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263 }
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parents:
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264
32
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diff changeset
265 protected void removeIdFromBackground(int id) {
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diff changeset
266 synchronized (backgroundIds) {
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diff changeset
267 backgroundIds.remove(Integer.valueOf(id));
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268 }
13
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parents:
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269 }
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parents:
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270
32
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diff changeset
271 protected void addIdToBackground(int id) {
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272 synchronized (backgroundIds) {
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diff changeset
273 backgroundIds.add(Integer.valueOf(id));
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274 }
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275 }
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276
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
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277 public List filterIds(List ids) {
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278 int N = ids.size();
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diff changeset
279 ArrayList out = new ArrayList(N);
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diff changeset
280 synchronized (backgroundIds) {
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diff changeset
281 for (int i = 0; i < N; ++i) {
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diff changeset
282 Id id = (Id)ids.get(i);
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diff changeset
283 if (!backgroundIds.contains(Integer.valueOf(id.getId()))) {
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diff changeset
284 out.add(id);
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diff changeset
285 }
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diff changeset
286 }
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
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diff changeset
287 }
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diff changeset
288 return out;
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289 }
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290
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diff changeset
291 public String [][] artifactFactoryNamesAndDescriptions() {
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292 return factoryNamesAndDescription;
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diff changeset
293 }
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parents: 26
diff changeset
294
66
89e3de0ee05f Implemented some methods to get access to ArtifactFactories which are stored in the ArtifactDatabase.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 58
diff changeset
295 public ArtifactFactory getInternalArtifactFactory(String factoryName) {
89e3de0ee05f Implemented some methods to get access to ArtifactFactories which are stored in the ArtifactDatabase.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 58
diff changeset
296 return getArtifactFactory(factoryName);
89e3de0ee05f Implemented some methods to get access to ArtifactFactories which are stored in the ArtifactDatabase.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 58
diff changeset
297 }
89e3de0ee05f Implemented some methods to get access to ArtifactFactories which are stored in the ArtifactDatabase.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 58
diff changeset
298
41
5e4bc24ea438 Made serilization more flexible. DB update required!!!
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diff changeset
299 public ArtifactFactory getArtifactFactory(String factoryName) {
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diff changeset
300 return (ArtifactFactory)name2factory.get(factoryName);
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parents: 36
diff changeset
301 }
5e4bc24ea438 Made serilization more flexible. DB update required!!!
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parents: 36
diff changeset
302
48
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
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parents: 47
diff changeset
303 public Document createArtifactWithFactory(
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
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diff changeset
304 String factoryName,
75
d4c4c23847f5 Extended the Artifact-Interface-Method setup to be able to put the XML-Document which can contain further Data
Tim Englich <tim.englich@intevation.de>
parents: 70
diff changeset
305 CallMeta callMeta,
d4c4c23847f5 Extended the Artifact-Interface-Method setup to be able to put the XML-Document which can contain further Data
Tim Englich <tim.englich@intevation.de>
parents: 70
diff changeset
306 Document data
48
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 47
diff changeset
307 )
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
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diff changeset
308 throws ArtifactDatabaseException
32
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
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parents: 26
diff changeset
309 {
41
5e4bc24ea438 Made serilization more flexible. DB update required!!!
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parents: 36
diff changeset
310 ArtifactFactory factory = getArtifactFactory(factoryName);
32
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
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parents: 26
diff changeset
311
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
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diff changeset
312 if (factory == null) {
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
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diff changeset
313 throw new ArtifactDatabaseException(NO_SUCH_FACTORY);
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
314 }
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
315
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
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diff changeset
316 Artifact artifact = factory.createArtifact(
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parents: 26
diff changeset
317 backend.newIdentifier(),
75
d4c4c23847f5 Extended the Artifact-Interface-Method setup to be able to put the XML-Document which can contain further Data
Tim Englich <tim.englich@intevation.de>
parents: 70
diff changeset
318 context,
d4c4c23847f5 Extended the Artifact-Interface-Method setup to be able to put the XML-Document which can contain further Data
Tim Englich <tim.englich@intevation.de>
parents: 70
diff changeset
319 data);
32
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
320
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
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parents: 26
diff changeset
321 if (artifact == null) {
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
322 throw new ArtifactDatabaseException(CREATION_FAILED);
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
323 }
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
324
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
325 PersistentArtifact persistentArtifact;
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
326
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
327 try {
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
328 persistentArtifact = backend.storeInitially(
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
329 artifact,
41
5e4bc24ea438 Made serilization more flexible. DB update required!!!
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 36
diff changeset
330 factory,
32
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
331 factory.timeToLiveUntouched(artifact, context));
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
332 }
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
333 catch (Exception e) {
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
334 logger.error(e.getLocalizedMessage(), e);
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
335 throw new ArtifactDatabaseException(CREATION_FAILED);
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
336 }
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
337
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
338 CallContextImpl cc = new CallContextImpl(
48
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 47
diff changeset
339 persistentArtifact, CallContext.NOTHING, callMeta);
32
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
340
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
341 try {
55
9a29899b31e5 describe() in REST interface is also handled as POST to pass
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 48
diff changeset
342 return artifact.describe(null, cc);
32
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
343 }
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
344 finally {
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
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diff changeset
345 cc.postCall();
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
346 }
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
347 }
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
348
55
9a29899b31e5 describe() in REST interface is also handled as POST to pass
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parents: 48
diff changeset
349 public Document describe(String identifier, Document data, CallMeta callMeta)
32
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
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parents: 26
diff changeset
350 throws ArtifactDatabaseException
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
351 {
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
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diff changeset
352 // TODO: Handle background tasks
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parents: 26
diff changeset
353 PersistentArtifact artifact = backend.getArtifact(identifier);
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Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
354
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
355 if (artifact == null) {
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
356 throw new ArtifactDatabaseException(NO_SUCH_ARTIFACT);
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
357 }
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
358
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
359 CallContextImpl cc = new CallContextImpl(
48
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 47
diff changeset
360 artifact, CallContext.TOUCH, callMeta);
32
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
361
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
362 try {
55
9a29899b31e5 describe() in REST interface is also handled as POST to pass
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 48
diff changeset
363 return artifact.getArtifact().describe(data, cc);
32
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
364 }
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
365 finally {
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
366 cc.postCall();
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
367 }
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
368 }
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
369
48
41c225c8bd41 Add i18n support via "Accept-Language" HTTP headers.
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parents: 47
diff changeset
370 public Document advance(String identifier, Document target, CallMeta callMeta)
32
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
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parents: 26
diff changeset
371 throws ArtifactDatabaseException
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
372 {
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
373 // TODO: Handle background tasks
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
374 PersistentArtifact artifact = backend.getArtifact(identifier);
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
375
c2d53bd30ab8 Re-factored artifact API for better integration of background processing.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents: 26
diff changeset
376 if (artifact == null) {
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377 throw new ArtifactDatabaseException(NO_SUCH_ARTIFACT);
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378 }
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379
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380 CallContextImpl cc = new CallContextImpl(
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381 artifact, CallContext.STORE, callMeta);
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382
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383 try {
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384 return artifact.getArtifact().advance(target, cc);
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385 }
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386 finally {
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387 cc.postCall();
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388 }
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389 }
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390
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391 public Document feed(String identifier, Document data, CallMeta callMeta)
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392 throws ArtifactDatabaseException
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393 {
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394 // TODO: Handle background tasks
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395 PersistentArtifact artifact = backend.getArtifact(identifier);
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396
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397 if (artifact == null) {
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398 throw new ArtifactDatabaseException(NO_SUCH_ARTIFACT);
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399 }
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400
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401 CallContextImpl cc = new CallContextImpl(
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402 artifact, CallContext.STORE, callMeta);
32
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diff changeset
403
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diff changeset
404 try {
36
f7d2cd59a0d5 Bugfix done. Now the feed Method works fine
Tim Englich <tim.englich@intevation.de>
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405 return artifact.getArtifact().feed(data, cc);
32
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406 }
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407 finally {
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408 cc.postCall();
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409 }
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diff changeset
410 }
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parents: 26
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411
48
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412 public DeferredOutput out(String identifier, Document format, CallMeta callMeta)
32
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413 throws ArtifactDatabaseException
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414 {
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415 // TODO: Handle background tasks
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416 PersistentArtifact artifact = backend.getArtifact(identifier);
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parents: 26
diff changeset
417
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parents: 26
diff changeset
418 if (artifact == null) {
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419 throw new ArtifactDatabaseException(NO_SUCH_ARTIFACT);
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420 }
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diff changeset
421
48
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422 return new DeferredOutputImpl(artifact, format, callMeta);
13
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parents:
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423 }
68
541814404822 Added interfaces for XML processing services. TODO: Implement them!
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424
541814404822 Added interfaces for XML processing services. TODO: Implement them!
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425 public String [][] serviceNamesAndDescriptions() {
70
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426 return serviceNamesAndDescription;
68
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diff changeset
427 }
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diff changeset
428
70
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429 public Document process(
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430 String serviceName,
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431 Document input,
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432 CallMeta callMeta
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433 )
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434 throws ArtifactDatabaseException
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435 {
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436 Service service = (Service)name2service.get(serviceName);
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diff changeset
437
ce488c1d3fc4 Serve services over artifact database.
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diff changeset
438 if (service == null) {
ce488c1d3fc4 Serve services over artifact database.
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diff changeset
439 throw new ArtifactDatabaseException(NO_SUCH_SERVICE);
ce488c1d3fc4 Serve services over artifact database.
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parents: 68
diff changeset
440 }
ce488c1d3fc4 Serve services over artifact database.
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parents: 68
diff changeset
441
ce488c1d3fc4 Serve services over artifact database.
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diff changeset
442 return service.process(input, context, callMeta);
68
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parents: 66
diff changeset
443 }
13
0d6badf6af42 Added not yet working backend to artifact database.
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parents:
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444 }
0d6badf6af42 Added not yet working backend to artifact database.
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parents:
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445 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8:
http://dive4elements.wald.intevation.org