Mercurial > dive4elements > framework
comparison artifact-database/src/main/java/org/dive4elements/artifactdatabase/state/ArtifactAndFacet.java @ 473:d0ac790a6c89 dive4elements-move
Moved directories to org.dive4elements
author | Sascha L. Teichmann <teichmann@intevation.de> |
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date | Thu, 25 Apr 2013 10:57:18 +0200 |
parents | artifact-database/src/main/java/de/intevation/artifactdatabase/state/ArtifactAndFacet.java@71ff234713a6 |
children | 415df0fc4fa1 |
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472:783cc1b6b615 | 473:d0ac790a6c89 |
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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 | |
17 /** The (native) facet. */ | |
18 protected Facet facet; | |
19 | |
20 /** An alternative facet description that might be set from outside. */ | |
21 protected String facetDescription; | |
22 | |
23 | |
24 /** Trivial constructor. */ | |
25 public ArtifactAndFacet( | |
26 Artifact a, | |
27 Facet f | |
28 ) { | |
29 this.artifact = a; | |
30 this.facet = f; | |
31 } | |
32 | |
33 | |
34 /** Get data (to plot). */ | |
35 public Object getData(CallContext context) { | |
36 return facet.getData(artifact, context); | |
37 } | |
38 | |
39 | |
40 /** Get data (for other facet). */ | |
41 @Override | |
42 public Object provideData(Object key, Object param, CallContext context) { | |
43 return facet.provideBlackboardData(artifact, key, param, context); | |
44 } | |
45 | |
46 | |
47 /** (Maybe) Register on blackboard (depending on facet). */ | |
48 @Override | |
49 public void register(CallContext context) { | |
50 List keys = facet.getDataProviderKeys(this.artifact, context); | |
51 if (keys == null) { | |
52 return; | |
53 } | |
54 for (Object key: keys) { | |
55 context.registerDataProvider(key, this); | |
56 } | |
57 } | |
58 | |
59 | |
60 /** Access the artifact. */ | |
61 public Artifact getArtifact() { | |
62 return artifact; | |
63 } | |
64 | |
65 | |
66 /** Access the (native) facet. */ | |
67 public Facet getFacet() { | |
68 return facet; | |
69 } | |
70 | |
71 | |
72 /** Shortcut to facets name. */ | |
73 public String getFacetName() { | |
74 return facet.getName(); | |
75 } | |
76 | |
77 | |
78 /** | |
79 * Returns the description for a facet. The return value depends on the | |
80 * internal <i>facetDescription</i> instance variable. If this has been set | |
81 * by setFacetDescription, this value is returned, otherwise the return | |
82 * value of facet.getDescription(). | |
83 */ | |
84 public String getFacetDescription() { | |
85 if (facetDescription == null) { | |
86 return facet.getDescription(); | |
87 } | |
88 | |
89 return facetDescription; | |
90 } | |
91 | |
92 | |
93 public void setFacetDescription(String facetDescription) { | |
94 this.facetDescription = facetDescription; | |
95 } | |
96 } | |
97 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 : |