Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/AnnotationFacet.java @ 4420:45d310b41c23

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Add javadoc comment about RiverInfoServiceImpl
author Björn Ricks <bjoern.ricks@intevation.de>
date Tue, 06 Nov 2012 13:30:04 +0100
parents 7f8d92873d58
children
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 java.util.ArrayList;
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4 import java.util.Iterator;
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5 import java.util.List;
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6
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7 import org.apache.log4j.Logger;
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8
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9 import de.intevation.artifacts.Artifact;
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10 import de.intevation.artifacts.CallContext;
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11
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12 import de.intevation.flys.artifacts.AnnotationArtifact;
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13
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14 import de.intevation.flys.jfree.FLYSAnnotation;
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15 import de.intevation.flys.jfree.StickyAxisAnnotation;
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16
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17 import de.intevation.flys.model.Annotation;
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18 import de.intevation.flys.model.FastAnnotations;
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19
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20 import de.intevation.artifactdatabase.state.DefaultFacet;
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21 import de.intevation.artifactdatabase.state.Facet;
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22
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23 import de.intevation.flys.utils.FLYSUtils;
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24
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25 import de.intevation.flys.artifacts.FLYSArtifact;
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27
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28 /**
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29 * Facet to access Annotations (landmarks, POIs) of a river.
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30 */
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31 public class AnnotationFacet
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32 extends DefaultFacet
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33 {
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34 /** Logger for this class. */
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35 private static final Logger logger = Logger.getLogger(AnnotationFacet.class);
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37
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38 /**
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39 * Trivial Constructor.
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40 */
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41 public AnnotationFacet() {
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42 }
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43
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44
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45 /**
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46 * Trivial Constructor for a AnnotationFacet.
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47 *
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48 * @param index Database-Index to use.
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49 * @param name Name (~type) of Facet.
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50 * @param description Description of Facet.
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51 */
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52 public AnnotationFacet(int index, String name, String description) {
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53 super(index, name, description);
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54 }
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55
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56
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57 /**
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58 * Get List of Annotations for river from Artifact.
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59 *
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60 * @param artifact (Annotation-)Artifact to query for list of Annotations.
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61 * @param context Ignored.
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62 */
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63 @Override
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64 public Object getData(Artifact artifact, CallContext context) {
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65
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66 // TODO issue880: Make annotations available _per type_
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67 AnnotationArtifact annotationArtifact = (AnnotationArtifact) artifact;
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68
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69 String riverName = FLYSUtils.getRivername((FLYSArtifact)artifact);
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70
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71 FastAnnotations fas = LocationProvider.getAnnotations(riverName);
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72
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73 String filterName = annotationArtifact.getFilterName();
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74
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75 FastAnnotations.Filter filter = (filterName == null)
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76 ? FastAnnotations.IS_POINT
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77 : new FastAnnotations.NameFilter(filterName);
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78
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79 List<StickyAxisAnnotation> xy =
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80 new ArrayList<StickyAxisAnnotation>(fas.size());
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81
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82 for (Iterator<FastAnnotations.Annotation> iter =
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83 fas.filter(filter); iter.hasNext();) {
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84 FastAnnotations.Annotation fa = iter.next();
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85
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86 xy.add(new StickyAxisAnnotation(
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87 fa.getPosition(),
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88 (float)fa.getA(),
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89 StickyAxisAnnotation.SimpleAxis.X_AXIS));
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90 }
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91
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92 return new FLYSAnnotation(description, xy);
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93 }
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94
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95
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96 @Override
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97 public Facet deepCopy() {
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98 AnnotationFacet copy = new AnnotationFacet();
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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