Mercurial > dive4elements > river
annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/MainValuesArtifact.java @ 1084:583314dafdb6
Call State.endOfLife() in FLYSArtifact when stepping back to a previous state.
flys-artifacts/trunk@2587 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Fri, 26 Aug 2011 08:07:47 +0000 |
parents | fa01c3602f66 |
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 } |