Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/CrossSectionFacet.java @ 2877:f0a67bc0e777 2.7

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merged flys-backend/2.7
author Thomas Arendsen Hein <thomas@intevation.de>
date Fri, 28 Sep 2012 12:14:31 +0200
parents f008c3335a77
children 5642a83420f2
rev   line source
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05e4ef0f9489 Improved stub for CrossSections (including Factory and Facet).
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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 /**
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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 private static Logger logger = Logger.getLogger(CrossSectionFacet.class);
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29
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30 protected ComputeType type;
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31
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32
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33 /** Trivial constructor, set (maybe localized) description. */
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34 public CrossSectionFacet(int idx, String description) {
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35 super(idx, CROSS_SECTION, description);
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36 type = ComputeType.ADVANCE;
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37 }
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38
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39
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40 /** Tell world we know about crosssection masters data and its index. */
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41 public List getStaticDataProviderKeys(Artifact art) {
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42 CrossSectionArtifact artifact = (CrossSectionArtifact) art;
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43 List keys = new ArrayList();
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44 if (artifact.isMaster()) {
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45 keys.add(BLACKBOARD_CS_MASTER_DATA);
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46 }
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47 keys.add(artifact.identifier() + getIndex());
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48 keys.addAll(super.getStaticDataProviderKeys(art));
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49 return keys;
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50 }
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51
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52
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53 /**
1967
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54 * Can provide the master cross section lines or its index.
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55 * @param artifact crosssection-artifact
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56 * @param key will respond on BLACKBOARD_CS_MASTER_DATA
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57 * @param param ignored
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58 * @param context ignored
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59 * @return data from artifact (cross section master track).
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60 */
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61 public Object provideBlackboardData(Artifact artifact,
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62 Object key,
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63 Object param,
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64 CallContext context
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65 ) {
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66 CrossSectionArtifact crossSection = (CrossSectionArtifact) artifact;
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67
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68 if (key.equals(BLACKBOARD_CS_MASTER_DATA)) {
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69 return crossSection.searchCrossSectionLine();
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70 }
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71 else if (key.equals(artifact.identifier() + getIndex())) {
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72 return getData(artifact, context);
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73 }
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74 else {
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75 Object obj = super.provideBlackboardData(artifact, key, param,
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76 context);
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77 if (obj == null) {
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78 logger.warn("Cannot provide data for key: " + key);
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79 }
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80 return obj;
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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 /**
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86 * Gets Cross Section (profile).
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87 * @param art artifact to get data from.
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88 * @param context ignored
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89 */
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90 public Object getData(Artifact art, CallContext context) {
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91 logger.debug("Get data for cross section");
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92
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93 CrossSectionArtifact artifact = (CrossSectionArtifact)art;
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94
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95 return artifact.getCrossSectionData();
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96 }
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97
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98
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99 /** Do a deep copy. */
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100 @Override
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101 public Facet deepCopy() {
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102 CrossSectionFacet copy = new CrossSectionFacet(this.index, this.description);
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103 copy.set(this);
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104 return copy;
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105 }
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106 }
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107 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org