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annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/CrossSectionWaterLineFacet.java @ 4255:670e98f5a441

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Fixed leak while merging facets. The ThemeList that is used by OutputHelper to sort the Facets for an Output now uses a list to store the ManagedFacets. The correct order is made up by sorting the List using Collections.sort() function of the Java JDK. Therfore, the ManagedFacet class implements the Comparable interface. The return value of its compareTo(other) method depends on the value of the 'position' field.
author Ingo Weinzierl <weinzierl.ingo@googlemail.com>
date Thu, 25 Oct 2012 14:01:46 +0200
parents 31168ac9c7e7
children 6153c50f78cf
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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13 import de.intevation.flys.artifacts.WaterLineArtifact;
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14
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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.
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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, (Double) prevKm);
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79 }
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80 else {
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81 return new Lines.LineData(new double[][] {}, 0d,0d);
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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 /** Do a deep copy. */
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87 @Override
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88 public Facet deepCopy() {
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89 CrossSectionWaterLineFacet copy = new CrossSectionWaterLineFacet(
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90 this.getIndex(),
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91 this.description);
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92 copy.set(this);
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93 return copy;
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94 }
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95 }
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96 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org