Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/CrossSectionFacet.java @ 1980:d377b89d2827

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Added WaterLineArtifact Interface. flys-artifacts/trunk@3410 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Wed, 14 Dec 2011 10:40:30 +0000
parents 27bb2e24f7f8
children 98f3ef8da857
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 return keys;
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49 }
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50
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51
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52 /**
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53 * Can provide the master cross section lines or its index.
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54 * @param artifact crosssection-artifact
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55 * @param key will respond on BLACKBOARD_CS_MASTER_DATA
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56 * @param param ignored
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57 * @param context ignored
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58 * @return data from artifact (cross section master track).
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59 */
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60 public Object provideBlackboardData(Artifact artifact,
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61 Object key,
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62 Object param,
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63 CallContext context
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64 ) {
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65 CrossSectionArtifact crossSection = (CrossSectionArtifact) artifact;
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66
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67 if (key.equals(BLACKBOARD_CS_MASTER_DATA)) {
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68 return crossSection.searchCrossSectionLine();
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69 }
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70 else {
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71 logger.warn("Cannot provide data for key: " + key);
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72 return null;
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73 }
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74 }
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75
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76
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77 /**
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78 * Gets Cross Section (profile).
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79 * @param art artifact to get data from.
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80 * @param context ignored
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81 */
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82 public Object getData(Artifact art, CallContext context) {
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83 logger.debug("Get data for cross section");
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84
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85 CrossSectionArtifact artifact = (CrossSectionArtifact)art;
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86
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87 return artifact.getCrossSectionData();
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88 }
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89
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90
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91 /** Do a deep copy. */
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92 @Override
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93 public Facet deepCopy() {
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94 CrossSectionFacet copy = new CrossSectionFacet(this.index, this.description);
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95 copy.set(this);
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96 return copy;
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97 }
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98 }
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99 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org