Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/AnnotationArtifact.java @ 1106:e9f66d63bdd0

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Write user defined barriers into a shapefile that is placed in the Artifact's directory. flys-artifacts/trunk@2609 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Tue, 30 Aug 2011 11:09:54 +0000
parents af73f196eccc
children 5b38cdf65307
rev   line source
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1 package de.intevation.flys.artifacts;
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2
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3 import java.util.ArrayList;
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4 import java.util.List;
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5
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6 import org.w3c.dom.Document;
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7 import org.w3c.dom.Element;
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8
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9 import org.apache.log4j.Logger;
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10
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11 import org.hibernate.Session;
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12
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13 //import net.sf.ehcache.Cache;
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14
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15 import de.intevation.artifacts.Artifact;
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16 import de.intevation.artifacts.ArtifactNamespaceContext;
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17 import de.intevation.artifacts.CallContext;
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18 import de.intevation.artifacts.CallMeta;
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19
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20 import de.intevation.artifactdatabase.ProtocolUtils;
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21 import de.intevation.artifactdatabase.state.Facet;
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22 import de.intevation.artifactdatabase.state.Output;
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23 import de.intevation.artifactdatabase.state.State;
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24 import de.intevation.artifactdatabase.state.StateEngine;
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25
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26 import de.intevation.artifactdatabase.data.StateData;
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27
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28 import de.intevation.artifacts.common.utils.XMLUtils;
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29
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30 import de.intevation.flys.artifacts.states.DefaultState;
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31 import de.intevation.flys.artifacts.cache.CacheFactory;
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32 import de.intevation.flys.artifacts.context.FLYSContext;
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33 import de.intevation.flys.artifacts.model.AnnotationsFactory;
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34 import de.intevation.flys.artifacts.model.RiverFactory;
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35
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36 import de.intevation.flys.backend.SessionHolder;
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37
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38 import de.intevation.flys.model.Annotation;
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39 import de.intevation.flys.model.River;
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40
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41 import de.intevation.flys.utils.FLYSUtils;
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42
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43 /**
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44 * Artifact to access names of Points Of Interest along a segment of a river.
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45 */
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46 public class AnnotationArtifact extends StaticFLYSArtifact {
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47
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48 /** The logger for this class. */
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49 private static Logger logger = Logger.getLogger(WINFOArtifact.class);
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50
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51 /** The name of the artifact. */
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52 public static final String ARTIFACT_NAME = "annotation";
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53
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54 /* Name of cache. */
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55 //public static final String CACHE_NAME = "annotations";
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56
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57 @Override
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58 protected void initialize(Artifact artifact, Object context,
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59 CallMeta meta) {
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60 logger.debug("AnnotationArtifact.initialize, id: "
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61 + artifact.identifier());
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62
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63 FLYSArtifact flys = (FLYSArtifact) artifact;
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64 addData("river", flys.getData("river"));
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65 /*
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66 logger.debug("Could set ranges to " +
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67 AnnotationsFactory.getAnnotationsBreadth(
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68 getRiver().getName())[0]);
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69 */
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70
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71 List<Facet> fs = new ArrayList<Facet>();
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72
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73 // TODO Add CallMeta (duplicate TODO in RiverAxisArtifact.java).
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74 DefaultState state = (DefaultState) getCurrentState(context);
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75 state.computeInit(this, hash(), context, meta, fs);
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76
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77 if (!fs.isEmpty()) {
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78 logger.debug("Facets to add in AnnotationsArtifact.initialize .");
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79 facets.put(getCurrentStateId(), fs);
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80 }
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81 else {
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82 logger.debug("No facets to add in AnnotationsArtifact.initialize .");
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83 }
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84 }
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85
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86
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87 public double[] getDistance() {
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88 /** TODO In initialize(), access maximal range of river (via
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89 * AnnotationFactory) instead of overriding getDistance,
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90 * important for diagram generation. */
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91 return new double[] {0f, 1000f};
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92 }
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93
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94
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95 /**
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96 * Create the description of this AnnotationArtifact-instance.
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97 *
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98 * @param data Some data.
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99 * @param context The CallContext.
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100 *
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101 * @return the description of this artifact.
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102 */
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103 @Override
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104 public Document describe(Document data, CallContext context) {
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105 logger.debug("Describe: the current state is: " + getCurrentStateId());
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106
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107 if (logger.isDebugEnabled()) {
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108 dumpArtifact();
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109 }
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110
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111 FLYSContext flysContext = getFlysContext(context);
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112 StateEngine stateEngine = (StateEngine) flysContext.get(
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113 FLYSContext.STATE_ENGINE_KEY);
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114
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115 Document description = XMLUtils.newDocument();
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116 XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator(
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117 description,
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118 ArtifactNamespaceContext.NAMESPACE_URI,
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119 ArtifactNamespaceContext.NAMESPACE_PREFIX);
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120
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121 Element root = ProtocolUtils.createRootNode(creator);
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122 description.appendChild(root);
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123
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124 State current = getCurrentState(context);
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125
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126 ProtocolUtils.appendDescribeHeader(creator, root, identifier(), hash());
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127 ProtocolUtils.appendState(creator, root, current);
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128
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129 Element name = ProtocolUtils.createArtNode(
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130 creator, "name",
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131 new String[] { "value" },
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132 new String[] { getName() });
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133
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134 Element outs = ProtocolUtils.createArtNode(
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135 creator, "outputmodes", null, null);
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136 appendOutputModes(description, outs, context);
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137
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138 root.appendChild(name);
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139 root.appendChild(outs);
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140
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141 return description;
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142 }
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143
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144
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145 /**
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146 * Returns the name of the concrete artifact.
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147 *
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148 * @return the name of the concrete artifact.
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149 */
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150 public String getName() {
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151 return ARTIFACT_NAME;
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152 }
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153
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154
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155 /**
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156 * Append outputmode elements to given document.
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157 *
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158 * @param doc Document to add outputmodes to.
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159 * @param outs Element to add outputmode elements to.
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160 * @param context The given CallContext (mostly for internationalization).
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161 */
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162 //@Override
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163 protected void appendOutputModes(
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164 Document doc,
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165 Element outs,
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166 CallContext context)
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167 {
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168 List<String> stateIds = getPreviousStateIds();
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169
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170 XMLUtils.ElementCreator creator = new XMLUtils.ElementCreator(
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171 doc,
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172 ArtifactNamespaceContext.NAMESPACE_URI,
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173 ArtifactNamespaceContext.NAMESPACE_PREFIX);
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174
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175 FLYSContext flysContext = getFlysContext(context);
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176 StateEngine engine = (StateEngine) flysContext.get(
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177 FLYSContext.STATE_ENGINE_KEY);
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178
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179 for (String stateId: stateIds) {
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180 logger.debug("Append output modes for state: " + stateId);
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181 DefaultState state = (DefaultState) engine.getState(stateId);
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182
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183 List<Output> list = state.getOutputs();
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184 if (list == null || list.size() == 0) {
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185 logger.debug("-> No output modes for this state.");
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186 continue;
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187 }
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188
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189 List<Facet> fs = facets.get(stateId);
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190 if (fs == null || fs.size() == 0) {
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191 logger.debug("No facets found.");
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192 continue;
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193 }
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194
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195 logger.debug("Found " + fs.size() + " facets in previous states.");
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196
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197 List<Output> generated = generateOutputs(list, fs);
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198
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199 ProtocolUtils.appendOutputModes(doc, outs, generated);
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200 }
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201
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202 try {
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203 DefaultState cur = (DefaultState) getCurrentState(context);
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eccf966fb677 State engine: Removed CallContext from state validation.
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204 if (cur.validate(this)) {
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205 List<Output> list = cur.getOutputs();
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206 if (list != null && list.size() > 0) {
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207 logger.debug(
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208 "Append output modes for state: " + cur.getID());
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209
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210 List<Facet> fs = facets.get(cur.getID());
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211 if (fs != null && fs.size() > 0) {
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212 List<Output> generated = generateOutputs(list, fs);
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213
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214 logger.debug("Found " + fs.size() + " current facets.");
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215 if (!generated.isEmpty()) {
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216 ProtocolUtils.appendOutputModes(
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217 doc, outs, generated);
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218 }
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219 else{
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220 logger.debug("Cannot append output to generated document.");
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221 }
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222 }
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223 else {
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224 logger.debug("No facets found for the current state.");
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225 }
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226 }
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227 }
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228 }
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229 catch (IllegalArgumentException iae) {
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230 // state is not valid, so we do not append its outputs.
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231 }
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232 }
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233
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234
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235 /**
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236 * Get Annotations for Points (opposed to segments) in river in range.
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237 *
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238 * @return list of Annotations.
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239 */
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240 public List<Annotation> getAnnotations() {
1099
af73f196eccc Refactored to use new FLYSUtils, moved getRiver-functionality inside.
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parents: 1077
diff changeset
241 String river = FLYSUtils.getRiver(this).getName();
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242 logger.debug("Search annotations for river: " /*+ river*/);
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243 //Cache cache = CacheFactory.getCache(CACHE_NAME);
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244
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245 List<Annotation> annotations = new ArrayList<Annotation>();
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246
1032
abd2ab6dff4f Let AnnotationArtifact fetch "more correct" data.
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247 return getAnnotationsUncached(river);
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248 }
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249
abd2ab6dff4f Let AnnotationArtifact fetch "more correct" data.
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250 /**
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251 * Gets Annotations from Session/Database.
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252 *
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253 * @return List of Annotations fetched fresh from session/database.
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254 * @see DistanceInfoService to access cached documents.
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255 */
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diff changeset
256 protected List<Annotation> getAnnotationsUncached(String river) {
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diff changeset
257 List<Annotation> annotations = new ArrayList<Annotation>();
1026
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258 Session session = SessionHolder.acquire();
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259 try {
1032
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260 annotations = AnnotationsFactory.getPointAnnotations(river);
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261 } finally {session.close(); SessionHolder.release();}
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262 return annotations;
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diff changeset
263 }
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264 }
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diff changeset
265 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org