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annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/CrossSectionWaterLineFacet.java @ 4478:6153c50f78cf

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WaterLineArtifact: Added callcontext-parameter to interfaces getWaterLine. Update all implementations. The change was done to be able to compute the extreme values during getWaterLine to access data needed in CrossSectionProfile Diagrams.
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Tue, 13 Nov 2012 14:46:44 +0100
parents 31168ac9c7e7
children 719680a282e5
rev   line source
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1 package de.intevation.flys.artifacts.model;
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2
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3 import org.apache.log4j.Logger;
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4
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5 import java.util.List;
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6
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7 import de.intevation.artifacts.Artifact;
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8 import de.intevation.artifacts.CallContext;
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9 import de.intevation.artifacts.DataProvider;
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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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bf62cc7052d4 Implement and use WaterLineArtifact interface.
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13 import de.intevation.flys.artifacts.WaterLineArtifact;
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14
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d626ae185305 Use the fast cross section lines from backend now.
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15 import de.intevation.flys.model.FastCrossSectionLine;
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16
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ed07dd55f487 Fixed various bugs (package declarations, moved classes to correct places).
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17 import de.intevation.flys.artifacts.geom.Lines;
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19
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20 /**
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21 * Facet for Waterlines in Cross Sections.
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22 */
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23 public class CrossSectionWaterLineFacet
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24 extends BlackboardDataFacet
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25 implements FacetTypes {
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26
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27 /** Private logger to use. */
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28 private static Logger logger =
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29 Logger.getLogger(CrossSectionWaterLineFacet.class);
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30
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31
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32 /** Trivial constructor, set (maybe localized) description. */
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33 public CrossSectionWaterLineFacet(int idx, String description) {
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34 super(idx, CROSS_SECTION_WATER_LINE, description);
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35 }
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36
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37
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38 /**
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39 * Trivial constructor, set (maybe localized) description.
31168ac9c7e7 Partial fix for issue694 (heightmarks snap to nearest cross section).
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40 * @param idx Index of this facet.
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41 * @param name 'type' of this facet.
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42 * @param description (maybe) localized user-visible description.
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43 */
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44 public CrossSectionWaterLineFacet(int idx, String name, String description) {
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45 super(idx, name, description);
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46 }
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47
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48
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49 /**
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50 * Gets waterline (crossed with cross section) of waterlevel.
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51 */
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52 public Object getData(Artifact artifact, CallContext context) {
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53 logger.debug("Get data for cross section water line");
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54
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55 List<DataProvider> providers = context.
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56 getDataProvider(CrossSectionFacet.BLACKBOARD_CS_MASTER_DATA);
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57 if (providers.size() < 1) {
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58 logger.warn("Could not find Cross-Section data provider.");
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59 return new Lines.LineData(new double[][] {}, 0d, 0d);
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60 }
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61
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62 Object crossSection = providers.get(0)
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63 .provideData(CrossSectionFacet.BLACKBOARD_CS_MASTER_DATA,
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64 null, context);
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65 Object nextKm = providers.get(0).
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66 provideData(CrossSectionFacet.BLACKBOARD_CS_NEXT_KM, null, context);
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67 Object prevKm = providers.get(0).
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68 provideData(CrossSectionFacet.BLACKBOARD_CS_PREV_KM, null, context);
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69 if (prevKm == null)
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70 prevKm = new Double(-1d);
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71 if (nextKm == null)
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72 nextKm = new Double(-1d);
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73
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74 WaterLineArtifact lineArtifact = (WaterLineArtifact) artifact;
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75
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76 if (crossSection != null) {
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77 return lineArtifact.getWaterLines(this.getIndex(),
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78 (FastCrossSectionLine) crossSection, (Double) nextKm,
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79 (Double) prevKm, context);
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80 }
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81 else {
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82 return new Lines.LineData(new double[][] {}, 0d,0d);
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83 }
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84 }
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85
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86
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87 /** Do a deep copy. */
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88 @Override
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89 public Facet deepCopy() {
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90 CrossSectionWaterLineFacet copy = new CrossSectionWaterLineFacet(
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91 this.getIndex(),
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92 this.description);
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93 copy.set(this);
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94 return copy;
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95 }
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96 }
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97 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org