Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/CrossSectionFacet.java @ 4128:11c589d68f13

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Fix for NPE in FLYSWorkspace.bringUp() #933
author Christian Lins <christian.lins@intevation.de>
date Sun, 14 Oct 2012 10:15:50 +0200
parents 31168ac9c7e7
children
rev   line source
1116
05e4ef0f9489 Improved stub for CrossSections (including Factory and Facet).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
diff changeset
1 package de.intevation.flys.artifacts.model;
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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 de.intevation.artifacts.Artifact;
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9 import de.intevation.artifacts.CallContext;
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10
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11 import de.intevation.artifactdatabase.state.Facet;
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12
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13 import de.intevation.flys.artifacts.CrossSectionArtifact;
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14
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15 import de.intevation.flys.artifacts.states.DefaultState.ComputeType;
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16
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17
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18 /**
1967
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19 * Trival Facet for Cross Sections (profiles).
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20 */
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21 public class CrossSectionFacet
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22 extends BlackboardDataFacet
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23 implements FacetTypes {
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24
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25 public static String BLACKBOARD_CS_MASTER_DATA
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26 = "crosssection.masterprofile.data";
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27
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28 public static String BLACKBOARD_CS_PREV_KM
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29 = "crosssection.masterprofile.km.prev";
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30
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31 public static String BLACKBOARD_CS_NEXT_KM
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32 = "crosssection.masterprofile.km.next";
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33
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34
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35 private static Logger logger = Logger.getLogger(CrossSectionFacet.class);
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36
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37 protected ComputeType type;
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38
1967
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39
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40 /** Trivial constructor, set (maybe localized) description. */
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41 public CrossSectionFacet(int idx, String description) {
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42 super(idx, CROSS_SECTION, description);
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43 type = ComputeType.ADVANCE;
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44 }
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45
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46
1967
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47 /** Tell world we know about crosssection masters data and its index. */
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48 public List getStaticDataProviderKeys(Artifact art) {
1967
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49 CrossSectionArtifact artifact = (CrossSectionArtifact) art;
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50 List keys = new ArrayList();
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51 if (artifact.isMaster()) {
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52 keys.add(BLACKBOARD_CS_MASTER_DATA);
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53 keys.add(BLACKBOARD_CS_PREV_KM);
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54 keys.add(BLACKBOARD_CS_NEXT_KM);
1967
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55 }
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56 keys.add(artifact.identifier() + getIndex());
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57 keys.addAll(super.getStaticDataProviderKeys(art));
1967
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58 return keys;
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59 }
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60
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61
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62 /**
1967
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63 * Can provide the master cross section lines or its index.
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64 * @param artifact crosssection-artifact
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65 * @param key will respond on BLACKBOARD_CS_MASTER_DATA
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66 * @param param ignored
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67 * @param context ignored
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68 * @return data from artifact (cross section master track).
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69 */
1967
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70 public Object provideBlackboardData(Artifact artifact,
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71 Object key,
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72 Object param,
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73 CallContext context
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74 ) {
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75 CrossSectionArtifact crossSection = (CrossSectionArtifact) artifact;
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76
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77 if (key.equals(BLACKBOARD_CS_MASTER_DATA)) {
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78 return crossSection.searchCrossSectionLine();
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79 }
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80 else if (key.equals(artifact.identifier() + getIndex())) {
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81 return getData(artifact, context);
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82 }
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83 else if (key.equals(BLACKBOARD_CS_NEXT_KM)) {
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84 return crossSection.getNextKm();
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85 }
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86 else if (key.equals(BLACKBOARD_CS_PREV_KM)) {
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87 return crossSection.getPrevKm();
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88 }
1967
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89 else {
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90 Object obj = super.provideBlackboardData(artifact, key, param,
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91 context);
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92 if (obj == null) {
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93 logger.warn("Cannot provide data for key: " + key);
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94 }
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95 return obj;
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96 }
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97 }
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98
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99
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100 /**
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101 * Gets Cross Section (profile).
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102 * @param art artifact to get data from.
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103 * @param context ignored
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104 */
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105 public Object getData(Artifact art, CallContext context) {
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106 logger.debug("Get data for cross section");
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107
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108 CrossSectionArtifact artifact = (CrossSectionArtifact)art;
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109
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110 return artifact.getCrossSectionData();
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111 }
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112
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113
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114 /** Do a deep copy. */
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115 @Override
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116 public Facet deepCopy() {
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117 CrossSectionFacet copy = new CrossSectionFacet(this.index, this.description);
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118 copy.set(this);
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119 return copy;
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120 }
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121 }
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122 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org