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annotate artifact-database/src/main/java/de/intevation/artifactdatabase/state/ArtifactAndFacet.java @ 370:203bd78def81

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Improved ClientProtocolUtils to extract min and max values for items with two new functions. artifacts/trunk@3701 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Wed, 18 Jan 2012 09:23:43 +0000
parents 1d11a0531242
children 33176e6e3c37
rev   line source
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6bd37edd9a80 Added handy implementation of a DataProvider.
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1 package de.intevation.artifactdatabase.state;
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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 de.intevation.artifacts.Artifact;
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6 import de.intevation.artifacts.CallContext;
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7 import de.intevation.artifacts.DataProvider;
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8
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9
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10 /**
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11 * A bundle of a "native" Facet and its Artifact.
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12 */
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13 public class ArtifactAndFacet implements DataProvider {
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14 /** The Artifact. */
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15 protected Artifact artifact;
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16
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17 /** The (native) facet. */
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18 protected Facet facet;
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19
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20
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21 /** Trivial constructor. */
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22 public ArtifactAndFacet(
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23 Artifact a,
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24 Facet f
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25 ) {
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26 this.artifact = a;
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27 this.facet = f;
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28 }
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29
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30
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31 /** Get data (to plot). */
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32 public Object getData(CallContext context) {
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33 return facet.getData(artifact, context);
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34 }
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35
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36
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37 /** Get data (for other facet). */
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38 public Object provideData(Object key, Object param, CallContext context) {
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39 return facet.provideBlackboardData(artifact, key, param, context);
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40 }
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41
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42
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43 /** (Maybe) Register on blackboard (depending on facet). */
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44 public void register(CallContext context) {
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45 List keys = facet.getDataProviderKeys(this.artifact);
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46 if (keys == null) {
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47 return;
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48 }
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49 for (Object key: keys) {
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50 context.registerDataProvider(key, this);
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51 }
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52 }
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53
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54
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55 /** Access the artifact. */
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56 public Artifact getArtifact() {
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57 return artifact;
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58 }
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59
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60
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61 /** Access the (native) facet. */
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62 public Facet getFacet() {
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63 return facet;
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64 }
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65
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66
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67 /** Shortcut to facets name. */
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68 public String getFacetName() {
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69 return facet.getName();
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70 }
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71
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72
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73 /** Shortcut to facets name. */
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74 public String getFacetDescription() {
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75 return facet.getDescription();
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76 }
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77 }
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78 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org