Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/MainValuesArtifact.java @ 1080:fa01c3602f66

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Added MainValue-Fetching-Capabilities to MainValuesArtifact. flys-artifacts/trunk@2577 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Thu, 25 Aug 2011 10:45:12 +0000
parents ef756e166154
children 07878836ee0d
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.apache.log4j.Logger;
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7
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8 import org.w3c.dom.Document;
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9
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10 import de.intevation.artifactdatabase.state.DefaultFacet;
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11 import de.intevation.artifactdatabase.state.Facet;
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12 import de.intevation.artifactdatabase.state.DefaultOutput;
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13 import de.intevation.artifactdatabase.state.State;
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14
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15 import de.intevation.artifacts.Artifact;
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16 import de.intevation.artifacts.ArtifactFactory;
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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 import de.intevation.flys.artifacts.model.RiverFactory;
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20
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21 import de.intevation.flys.artifacts.model.FacetTypes;
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22 import de.intevation.flys.artifacts.states.StaticState;
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23
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24 import de.intevation.flys.model.Gauge;
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25 import de.intevation.flys.model.River;
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26
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27
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28 /**
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29 * Artifact to access names of Points Of Interest along a segment of a river.
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30 * This artifact neglects (Static)FLYSArtifacts capabilities of interaction
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31 * with the StateEngine by overriding the getState*-methods.
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32 */
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33 public class MainValuesArtifact
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34 extends StaticFLYSArtifact
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35 {
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36 /** The logger for this class. */
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37 private static Logger logger = Logger.getLogger(MainValuesArtifact.class);
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38
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39 /** The name of the artifact. */
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40 public static final String ARTIFACT_NAME = "mainvalue";
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41
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42 /** One and only state to be in. */
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43 protected transient State state = null;
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44
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45
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46 /**
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47 * Trivial Constructor.
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48 */
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49 public MainValuesArtifact() {
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50 logger.debug("MainValuesArtifact.MainValuesartifact()");
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51 }
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52
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53
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54 /**
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55 * Gets called from factory, to set things up.
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56 */
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57 @Override
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58 public void setup(
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59 String identifier,
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60 ArtifactFactory factory,
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61 Object context,
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62 CallMeta callMeta,
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63 Document data)
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64 {
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65 logger.debug("MainValuesArtifact.setup");
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66 super.setup(identifier, factory, context, callMeta, data);
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67 // TODO in initialize(*), access master/winfo artifact,
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68 // get locations and river.
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69 }
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70
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71
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72 @Override
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73 protected void initialize(Artifact artifact, Object context, CallMeta meta) {
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74 logger.debug("MainValuesArtifact.initialize");
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75 WINFOArtifact winfo = (WINFOArtifact) artifact;
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76 River river = winfo.getRiver();
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77 double location = winfo.getLocations()[0]; // Ort der Abflusskurve
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78
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79 logger.error("Location: " + location);
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80 Gauge gauge = river.determineGaugeByPosition(location);
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81 }
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82
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83
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84 /**
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85 * Get a list containing the one and only State.
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86 * @param context ignored.
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87 * @return list with one and only state.
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88 */
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89 @Override
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90 protected List<State> getStates(Object context) {
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91 ArrayList<State> states = new ArrayList<State>();
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92 states.add(getState(null,null));
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93 return states;
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94 }
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95
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96
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97 /**
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98 * Get the "current" state.
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99 * @param cc ignored.
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100 * @return the "current" state.
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101 */
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102 @Override
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103 protected State getCurrentState(Object cc) {
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104 return getState();
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105 }
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106
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107
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108 /**
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109 * Get the only possible state.
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110 * @return the state.
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111 */
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112 protected State getState() {
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113 return getState(null, null);
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114 }
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115
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116
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117 /**
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118 * Get the state.
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119 * @param context ignored.
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120 * @param stateID ignored.
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121 * @return the state.
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122 */
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123 @Override
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124 protected State getState(Object context, String stateID) {
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125 if (state != null) {
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126
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127 }
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128 else {
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129 state = new StaticState();
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130 List<Facet> fs = new ArrayList<Facet>();
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131 fs.add(new MainValuesFacet());
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132 // TODO check if facets and outputs already exist.
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133 // TODO also check, this is usually done in initialize, too.
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134 facets.put(state.getID(), fs);
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135 DefaultOutput mainValuesOutput1 = new DefaultOutput(
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136 "discharge_curve", "output.discharge_curve", "image/png",
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137 fs,
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138 "chart");
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139 DefaultOutput mainValuesOutput2 = new DefaultOutput(
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140 "computed_discharge_curve",
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141 "output.computed_discharge_curve", "image/png",
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142 fs,
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143 "chart");
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144
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145 state.getOutputs().add(mainValuesOutput1);
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146 state.getOutputs().add(mainValuesOutput2);
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147 }
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148 return state;
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149 }
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150
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151
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152 public List getMainValues() {
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153 River river = RiverFactory.getRiver("Saar");
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154 logger.warn("Go to river " + river);
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155 double location = 5.0f;
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156 Gauge gauge = river.determineGaugeByPosition(location);
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157 return gauge.getMainValues();
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158 }
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159
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160
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161 /* FACET IMPLEMENTATION */
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162 // TODO evaluate whether DefaultFacet can do.
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163 static class MainValuesFacet
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164 extends DefaultFacet
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165 implements FacetTypes {
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166
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167 public MainValuesFacet() {
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168 description = "facet.discharge_curves.mainvalues.description";
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169 name = COMPUTED_DISCHARGE_MAINVALUES;
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170 //Resources.getMsg(meta, I18N_DESCRIPTION, I18N_DESCRIPTION));
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171 index = 0;
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172 }
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173
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174
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175 /**
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176 * Returns the description of this facet.
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177 *
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178 * @return the description of this facet.
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179 */
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180 @Override
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181 public String getDescription() {
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182 // TODO remove, is part of DefaultFacet.
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183 return "facet.mainvalues";
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184 }
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185
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186
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187 /**
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188 * Returns the data this facet requires.
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189 *
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190 * @param artifact the owner artifact.
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191 * @param context the CallContext (ignored).
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192 *
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193 * @return the data.
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194 */
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195 @Override
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196 public Object getData(Artifact artifact, CallContext context) {
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197 MainValuesArtifact mvArtifact = (MainValuesArtifact) artifact;
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198 return mvArtifact.getMainValues();
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199 }
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200
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201
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202 /**
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203 * Create a deep copy of this Facet.
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204 * @return a deep copy.
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205 */
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206 @Override
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207 public MainValuesFacet deepCopy() {
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208 MainValuesFacet copy = new MainValuesFacet();
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209 copy.set(this);
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210 return copy;
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211 }
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212 }
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213
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214 }
http://dive4elements.wald.intevation.org