Mercurial > dive4elements > river

comparison artifacts/src/main/java/org/dive4elements/river/artifacts/model/CrossSectionWaterLineFacet.java @ 5838:5aa05a7a34b7

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Rename modules to more fitting names.
author Sascha L. Teichmann <teichmann@intevation.de>
date Thu, 25 Apr 2013 15:23:37 +0200
parents flys-artifacts/src/main/java/org/dive4elements/river/artifacts/model/CrossSectionWaterLineFacet.java@bd047b71ab37
children 4897a58c8746
comparison
equal deleted inserted replaced
5837:d9901a08d0a6 5838:5aa05a7a34b7
1 package org.dive4elements.river.artifacts.model;
2
3 import org.apache.log4j.Logger;
4
5 import java.util.List;
6
7 import org.dive4elements.artifacts.Artifact;
8 import org.dive4elements.artifacts.CallContext;
9 import org.dive4elements.artifacts.DataProvider;
10
11 import org.dive4elements.artifactdatabase.state.Facet;
12
13 import org.dive4elements.river.artifacts.WaterLineArtifact;
14
15 import org.dive4elements.river.model.FastCrossSectionLine;
16
17 import org.dive4elements.river.artifacts.geom.Lines;
18
19
20 /**
21 * Facet for Waterlines in Cross Sections.
22 */
23 public class CrossSectionWaterLineFacet
24 extends BlackboardDataFacet
25 implements FacetTypes {
26
27 /** Private logger to use. */
28 private static Logger logger =
29 Logger.getLogger(CrossSectionWaterLineFacet.class);
30
31
32 /** Trivial constructor, set (maybe localized) description. */
33 public CrossSectionWaterLineFacet(int idx, String description) {
34 super(idx, CROSS_SECTION_WATER_LINE, description);
35 }
36
37
38 /**
39 * Trivial constructor, set (maybe localized) description.
40 * @param idx Index of this facet.
41 * @param name 'type' of this facet.
42 * @param description (maybe) localized user-visible description.
43 */
44 public CrossSectionWaterLineFacet(int idx, String name, String description) {
45 super(idx, name, description);
46 }
47
48
49 /**
50 * Gets waterline (crossed with cross section) of waterlevel.
51 */
52 public Object getData(Artifact artifact, CallContext context) {
53 logger.debug("Get data for cross section water line");
54
55 List<DataProvider> providers = context.
56 getDataProvider(CrossSectionFacet.BLACKBOARD_CS_MASTER_DATA);
57 if (providers.size() < 1) {
58 logger.warn("Could not find Cross-Section data provider.");
59 return new Lines.LineData(new double[][] {}, 0d, 0d);
60 }
61
62 Object crossSection = providers.get(0)
63 .provideData(CrossSectionFacet.BLACKBOARD_CS_MASTER_DATA,
64 null, context);
65 Object nextKm = providers.get(0).
66 provideData(CrossSectionFacet.BLACKBOARD_CS_NEXT_KM, null, context);
67 Object prevKm = providers.get(0).
68 provideData(CrossSectionFacet.BLACKBOARD_CS_PREV_KM, null, context);
69 if (prevKm == null)
70 prevKm = new Double(-1d);
71 if (nextKm == null)
72 nextKm = new Double(-1d);
73
74 if (!(artifact instanceof WaterLineArtifact)) {
75 logger.error("CrossSectionWaterLineFacet needs WaterLineArtifact");
76 return new Lines.LineData(new double[][] {}, 0d,0d);
77 }
78 WaterLineArtifact lineArtifact = (WaterLineArtifact) artifact;
79
80 if (crossSection != null) {
81 return lineArtifact.getWaterLines(this.getIndex(),
82 (FastCrossSectionLine) crossSection, (Double) nextKm,
83 (Double) prevKm, context);
84 }
85 else {
86 return new Lines.LineData(new double[][] {}, 0d,0d);
87 }
88 }
89
90
91 /** Do a deep copy. */
92 @Override
93 public Facet deepCopy() {
94 CrossSectionWaterLineFacet copy = new CrossSectionWaterLineFacet(
95 this.getIndex(),
96 this.description);
97 copy.set(this);
98 return copy;
99 }
100 }
101 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
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