Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/StaticHYKState.java @ 4768:99f9e371371b

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Move distance calculation to Coordinate class. Use inheritance instead of composition in Anchor class. Made Anchor class static. Use epsilon equal comparision when checking for same station: Boy, do you ever learn that sharp equal comparison of doubles is not a clever idea!?
author Sascha L. Teichmann <teichmann@intevation.de>
date Fri, 04 Jan 2013 15:35:51 +0100
parents eb1a676c0d6e
children
rev   line source
2131
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1 package de.intevation.flys.artifacts.states;
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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.CallContext;
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8 import de.intevation.artifacts.CallMeta;
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9
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10 import de.intevation.artifactdatabase.state.Facet;
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11
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12 import de.intevation.flys.artifacts.FLYSArtifact;
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13 import de.intevation.flys.artifacts.HYKArtifact;
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14
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15 import de.intevation.flys.artifacts.model.FacetTypes;
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16 import de.intevation.flys.artifacts.model.HYKFacet;
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17 import de.intevation.flys.artifacts.model.HYKFactory;
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18
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19 /**
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20 * Only state of a HYKArtifact.
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21 */
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22 public class StaticHYKState
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23 extends DefaultState
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24 implements FacetTypes
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25 {
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26 /** The logger that is used in this state. */
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27 transient private static final Logger logger = Logger.getLogger(StaticHYKState.class);
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28
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29
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30 /**
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31 * From this state can not be continued.
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32 */
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33 @Override
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34 protected String getUIProvider() {
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35 return "noinput";
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36 }
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37
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38
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39 /**
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40 * Compute, create Facets, do the same stuff as all the other states do.
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41 */
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42 protected Object compute(
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43 HYKArtifact hyk,
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44 CallMeta metaLocale,
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45 String hash,
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46 List<Facet> facets,
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47 Object old
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48 ) {
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49 logger.debug("StaticHYKState.compute");
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50 String id = getID();
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51
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52 // Prepare comparison against cached result.
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53 List<HYKFactory.Zone> resZones = old instanceof List
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54 ? (List<HYKFactory.Zone>)old
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55 : null;
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56
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57 // TODO Compare against cached object.
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58
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59 // Get Zones from HYKFactory
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60 List<HYKFactory.Zone> zones = (List<HYKFactory.Zone>)
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61 HYKFactory.getHYKs(hyk.getHykId(), hyk.getKm());
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62
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63 if (facets == null) {
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64 logger.debug("StaticHYKState.compute no facets");
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65 return zones;
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66 }
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67
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68 // Spawn Facets.
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69 Facet facet = new HYKFacet(0, HYKFactory.getHykName(hyk.getHykId()));
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70 facets.add(facet);
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71
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72 return zones;
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73 }
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74
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75
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76 /**
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77 * Get data, create the facets.
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78 *
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79 * @param context Ignored.
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80 */
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81 @Override
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82 public Object computeFeed(
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83 FLYSArtifact artifact,
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84 String hash,
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85 CallContext context,
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86 List<Facet> facets,
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87 Object old
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88 ) {
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89 return compute((HYKArtifact) artifact, context.getMeta(),
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90 hash, facets, old);
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91 }
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92
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93
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94 /**
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95 * Create the facets.
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96 * @param context Ignored.
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97 */
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98 @Override
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99 public Object computeInit(
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100 FLYSArtifact artifact,
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101 String hash,
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102 Object context,
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103 CallMeta meta,
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104 List<Facet> facets
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105 ) {
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106 return compute((HYKArtifact) artifact, meta, hash, facets,
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107 null);
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108 }
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109 }
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110 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org