Mercurial > dive4elements > framework
comparison artifact-database/src/main/java/de/intevation/artifactdatabase/state/ArtifactAndFacet.java @ 355:6bd37edd9a80
Added handy implementation of a DataProvider.
artifacts/trunk@3333 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
|---|---|
| date | Wed, 30 Nov 2011 08:28:04 +0000 |
| parents | |
| children | 079ab7c971a4 |
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| 354:c83519249fea | 355:6bd37edd9a80 |
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| 1 package de.intevation.artifactdatabase.state; | |
| 2 | |
| 3 import java.util.List; | |
| 4 | |
| 5 import de.intevation.artifacts.Artifact; | |
| 6 import de.intevation.artifacts.CallContext; | |
| 7 import de.intevation.artifacts.DataProvider; | |
| 8 | |
| 9 | |
| 10 /** | |
| 11 * A bundle of a "native" Facet and its Artifact. | |
| 12 */ | |
| 13 public class ArtifactAndFacet implements DataProvider { | |
| 14 /** The Artifact. */ | |
| 15 protected Artifact artifact; | |
| 16 /** The (native) facet. */ | |
| 17 protected Facet facet; | |
| 18 | |
| 19 | |
| 20 /** Trivial constructor. */ | |
| 21 public ArtifactAndFacet( | |
| 22 Artifact a, | |
| 23 Facet f | |
| 24 ) { | |
| 25 this.artifact = a; | |
| 26 this.facet = f; | |
| 27 } | |
| 28 | |
| 29 | |
| 30 /** Get data (to plot). */ | |
| 31 public Object getData(CallContext context) { | |
| 32 return facet.getData(artifact, context); | |
| 33 } | |
| 34 | |
| 35 | |
| 36 /** Get data (for other facet). */ | |
| 37 public Object provideData(Object key, Object param, CallContext context) { | |
| 38 return facet.provideBlackboardData(artifact, key, param, context); | |
| 39 } | |
| 40 | |
| 41 | |
| 42 /** (Maybe) Register on blackboard (depending on facet). */ | |
| 43 public void register(CallContext context) { | |
| 44 List keys = facet.getDataProviderKeys(); | |
| 45 if (keys == null) { | |
| 46 return; | |
| 47 } | |
| 48 for (Object key: keys) { | |
| 49 context.registerDataProvider(key, this); | |
| 50 } | |
| 51 } | |
| 52 | |
| 53 | |
| 54 /** Access the artifact. */ | |
| 55 public Artifact getArtifact() { | |
| 56 return artifact; | |
| 57 } | |
| 58 | |
| 59 | |
| 60 /** Access the (native) facet. */ | |
| 61 public Facet getFacet() { | |
| 62 return facet; | |
| 63 } | |
| 64 | |
| 65 | |
| 66 /** Shortcut to facets name. */ | |
| 67 public String getFacetName() { | |
| 68 return facet.getName(); | |
| 69 } | |
| 70 } | |
| 71 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 : |