Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/AreaFacet.java @ 2024:2bb160b2768e

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New facet, will ease converting other facets to be able to contribute to area computations. flys-artifacts/trunk@3481 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Tue, 20 Dec 2011 09:00:51 +0000
parents 3c3693e9c538
children 76cedac30d35
rev   line source
2001
28a5c163f9cd Added partial area-infrastructure.
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1 package de.intevation.flys.artifacts.model;
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2
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3 import java.util.List;
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4
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5 import org.apache.log4j.Logger;
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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
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10 import de.intevation.artifactdatabase.state.DefaultFacet;
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11 import de.intevation.artifactdatabase.state.Facet;
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12
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13 import de.intevation.artifacts.DataProvider;
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14
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15 import de.intevation.flys.artifacts.AreaArtifact;
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16
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17
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18 /**
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19 * Trival Facet for areas.
2018
3f1a63da2cf4 Prepare ability to paint areas in longitudinal section diagrams, too (next to CrossSection diagrams).
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parents: 2010
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20 * Note that this Facet comes in two "types" (names):
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parents: 2010
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21 * <ul>
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22 * <li>CROSS_SECTION_AREA (cross_section.area) and</li>
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23 * <li>LONGITUDINAL_SECTION_AREA (longitudinal.area</li>
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24 * </ul>
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25 * This is to support different diagram types without being painted in both
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26 * at the same time. The name has to be given when constructing.
2001
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27 */
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28 public class AreaFacet
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29 extends DefaultFacet
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30 implements FacetTypes {
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31
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32 private static Logger logger = Logger.getLogger(AreaFacet.class);
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33
2018
3f1a63da2cf4 Prepare ability to paint areas in longitudinal section diagrams, too (next to CrossSection diagrams).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2010
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34 /**
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35 * Constructor, set (maybe localized) description and name.
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36 * @param idx Index given when querying artifact for data.
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37 * @param name important to discern areas in different diagram types.
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parents: 2010
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38 */
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39 public AreaFacet(int idx, String name, String description) {
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40 super(idx, name, description);
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41 }
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42
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43
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44 /**
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45 * Gets Cross Section (profile).
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46 * @param art artifact to get data from.
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47 * @param context ignored
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48 */
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49 public Object getData(Artifact art, CallContext context) {
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7f99845e9499 Store and access area.name data item.
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50 logger.debug("Get data for area.");
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51
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52 // Get information from artifact about which
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53 // info to grab from blackboard.
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54 //
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55 // All compatible facets should provide their data
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56 // under the key (Artifact-UUID + Facet-Index).
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57 AreaArtifact artifact = (AreaArtifact) art;
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58 Object lowerData = null;
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59 Object upperData = null;
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60
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61 List<DataProvider> providers = context.
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62 getDataProvider(artifact.getLowerDPKey());
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63 if (providers.size() < 1) {
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3f1a63da2cf4 Prepare ability to paint areas in longitudinal section diagrams, too (next to CrossSection diagrams).
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64 logger.warn("No 'lower' provider given for area [" +
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65 artifact.getLowerDPKey() + "]");
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66 }
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67 else {
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68 lowerData = providers.get(0).provideData(
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69 artifact.getLowerDPKey(), null, context);
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70 }
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71
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72 providers = context.getDataProvider(artifact.getUpperDPKey());
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73 if (providers.size() < 1) {
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3f1a63da2cf4 Prepare ability to paint areas in longitudinal section diagrams, too (next to CrossSection diagrams).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2010
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74 logger.warn("No 'upper' provider given for area [" +
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75 artifact.getUpperDPKey() + "]");
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76 }
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77 else {
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78 upperData = providers.get(0).provideData(
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79 artifact.getUpperDPKey(), null, context);
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80 }
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81
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82 if (upperData == null && lowerData == null) {
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7f99845e9499 Store and access area.name data item.
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83 logger.warn("Not given 'upper' and 'lower' for area");
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84 }
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85
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86 return new Object[] {lowerData, upperData};
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87 }
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88
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89
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90 /** Do a deep copy. */
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91 @Override
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92 public Facet deepCopy() {
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3f1a63da2cf4 Prepare ability to paint areas in longitudinal section diagrams, too (next to CrossSection diagrams).
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parents: 2010
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93 AreaFacet copy = new AreaFacet(this.index, this.name, this.description);
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94 copy.set(this);
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95 return copy;
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96 }
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97 }
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98 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org