Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/CrossSectionFacet.java @ 2187:de5f391fdc8f

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Added strings used in the calculation 'historical discharge curves'. flys-artifacts/trunk@3797 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Fri, 27 Jan 2012 13:09:50 +0000
parents 98f3ef8da857
children bc23341bf322
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.DefaultFacet;
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12 import de.intevation.artifactdatabase.state.Facet;
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13
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14 import de.intevation.flys.artifacts.CrossSectionArtifact;
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15
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16 import de.intevation.flys.artifacts.states.DefaultState.ComputeType;
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17
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18
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19 /**
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20 * Trival Facet for Cross Sections (profiles).
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21 */
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22 public class CrossSectionFacet
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23 extends DefaultFacet
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24 implements FacetTypes {
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25
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26 public static String BLACKBOARD_CS_MASTER_DATA
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27 = "crosssection.masterprofile.data";
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28
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29 private static Logger logger = Logger.getLogger(CrossSectionFacet.class);
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30
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31 protected ComputeType type;
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32
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33
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34 /** Trivial constructor, set (maybe localized) description. */
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35 public CrossSectionFacet(int idx, String description) {
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36 super(idx, CROSS_SECTION, description);
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37 type = ComputeType.ADVANCE;
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38 }
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39
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40
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41 /** Tell world we know about crosssection masters data and its index. */
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42 public List getDataProviderKeys(Artifact art) {
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43 CrossSectionArtifact artifact = (CrossSectionArtifact) art;
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44 List keys = new ArrayList();
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45 if (artifact.isMaster()) {
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46 keys.add(BLACKBOARD_CS_MASTER_DATA);
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47 }
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48 keys.add(artifact.identifier() + getIndex());
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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 /**
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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 logger.warn("Cannot provide data for key: " + key);
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76 return null;
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77 }
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78 }
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79
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80
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81 /**
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82 * Gets Cross Section (profile).
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83 * @param art artifact to get data from.
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84 * @param context ignored
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85 */
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86 public Object getData(Artifact art, CallContext context) {
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87 logger.debug("Get data for cross section");
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88
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89 CrossSectionArtifact artifact = (CrossSectionArtifact)art;
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90
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91 return artifact.getCrossSectionData();
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92 }
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93
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94
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95 /** Do a deep copy. */
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96 @Override
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97 public Facet deepCopy() {
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98 CrossSectionFacet copy = new CrossSectionFacet(this.index, this.description);
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99 copy.set(this);
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100 return copy;
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101 }
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102 }
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103 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org