Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/DataFacet.java @ 1745:4ae7df2a74ed

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Fix NPE in WDiff-diagram because no ranges present in masterartifact. flys-artifacts/trunk@3039 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Wed, 19 Oct 2011 16:06:01 +0000
parents efe1b8545f5c
children 70ef5fdc7414
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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5
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6 import de.intevation.artifactdatabase.state.DefaultFacet;
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7 import de.intevation.artifactdatabase.state.Facet;
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8
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9 import de.intevation.flys.artifacts.FLYSArtifact;
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10
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11 import de.intevation.flys.artifacts.states.DefaultState.ComputeType;
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12
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13 public class DataFacet
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14 extends DefaultFacet
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15 {
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16 protected ComputeType type;
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17 protected String hash;
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18 protected String stateId;
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19
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20
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21 /** Trivial constructor. */
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22 public DataFacet() {
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23 }
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24
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25 /**
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26 * Defaults to ADVANCE Compute type.
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27 * @param name Name of the facet.
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28 * @param description maybe localized description of the facet.
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29 */
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30 public DataFacet(String name, String description) {
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31 this(name, description, ComputeType.ADVANCE);
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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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37
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38 public DataFacet(
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39 String name,
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40 String description,
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41 ComputeType type,
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42 String hash
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43 ) {
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44 super(name, description);
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45 this.type = type;
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46 this.hash = hash;
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47 }
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48
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49
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50 public DataFacet(
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51 String name,
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52 String description,
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53 ComputeType type,
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54 String hash,
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55 String stateId
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56 ) {
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57 super(name, description);
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58 this.type = type;
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59 this.hash = hash;
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60 this.stateId = stateId;
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61 }
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62
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63
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64 /**
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65 * Return computation result.
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66 */
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67 @Override
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68 public Object getData(Artifact artifact, CallContext context) {
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69 FLYSArtifact flys = (FLYSArtifact)artifact;
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70 String theHash = (hash != null) ? hash : flys.hash();
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71
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72 return (stateId != null && stateId.length() > 0)
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73 ? flys.compute(context, theHash, stateId, type, false)
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74 : flys.compute(context, theHash, type, false);
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75 }
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76
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77
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78 /**
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79 * Return a deep copy.
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80 */
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81 @Override
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82 public Facet deepCopy() {
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83 DataFacet copy = new DataFacet();
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84 copy.set(this);
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85 copy.type = type;
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86 copy.hash = hash;
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87 copy.stateId = stateId;
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88 return copy;
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89 }
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90 }
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91 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org