Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/DataFacet.java @ 4569:276d9bd3c77d

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Workaround for NPE in FloodMapState.
author Christian Lins <christian.lins@intevation.de>
date Tue, 20 Nov 2012 12:53:14 +0100
parents 79a94c4171cb
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 de.intevation.artifacts.Artifact;
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4 import de.intevation.artifacts.CallContext;
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6 import de.intevation.artifactdatabase.state.Facet;
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7
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8 import de.intevation.flys.artifacts.FLYSArtifact;
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9
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10 import de.intevation.flys.artifacts.states.DefaultState.ComputeType;
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11
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12 public class DataFacet
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13 extends BlackboardDataFacet
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14 {
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15 protected ComputeType type;
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16 protected String hash;
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17 protected String stateId;
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19
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20 /** Trivial constructor. */
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21 public DataFacet() {
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22 }
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23
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24 /**
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25 * Defaults to ADVANCE Compute type.
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26 * @param name Name of the facet.
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27 * @param description maybe localized description of the facet.
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28 */
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29 public DataFacet(String name, String description) {
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30 this(name, description, ComputeType.ADVANCE);
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31 }
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32
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33
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34 public DataFacet(String name, String description, ComputeType type) {
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35 this(name, description, type, null);
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36 }
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38
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39 public DataFacet(
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40 String name,
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41 String description,
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42 ComputeType type,
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43 String hash
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44 ) {
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45 super(name, description);
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46 this.type = type;
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47 this.hash = hash;
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48 }
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49
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50
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51 public DataFacet(
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52 String name,
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53 String description,
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54 ComputeType type,
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55 String hash,
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56 String stateId
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57 ) {
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58 super(name, description);
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59 this.type = type;
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60 this.hash = hash;
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61 this.stateId = stateId;
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62 }
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63
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64
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65 public DataFacet(
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66 int index,
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67 String name,
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68 String description,
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69 ComputeType type,
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70 String hash,
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71 String stateId
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72 ) {
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73 super(index, name, description);
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74 this.type = type;
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75 this.hash = hash;
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76 this.stateId = stateId;
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77 }
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78
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79
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80 /**
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81 * Return computation result.
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82 */
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83 @Override
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84 public Object getData(Artifact artifact, CallContext context) {
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85 FLYSArtifact flys = (FLYSArtifact)artifact;
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86 String theHash = (hash != null) ? hash : flys.hash();
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87
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88 return (stateId != null && stateId.length() > 0)
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89 ? flys.compute(context, theHash, stateId, type, false)
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90 : flys.compute(context, theHash, type, false);
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91 }
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94 /**
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95 * Return a deep copy.
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96 */
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97 @Override
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98 public Facet deepCopy() {
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99 DataFacet copy = new DataFacet();
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100 copy.set(this);
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101 copy.type = type;
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102 copy.hash = hash;
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103 copy.stateId = stateId;
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104 return copy;
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105 }
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106 }
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107 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org