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annotate artifact-database/src/main/java/de/intevation/artifactdatabase/state/Facet.java @ 366:1f51f3c46efe

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AbstractCallContext: Instance vars are now Maps instead of Hashmaps. artifacts/trunk@3647 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Wed, 11 Jan 2012 10:58:34 +0000
parents 1d11a0531242
children 71ff234713a6
rev   line source
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41404961c804 Added support for facets - facets of output modes are read from configuration now.
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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 java.io.Serializable;
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6
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7 import org.w3c.dom.Document;
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8 import org.w3c.dom.Node;
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9
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10 import de.intevation.artifacts.Artifact;
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11 import de.intevation.artifacts.CallContext;
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12
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13
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14 /**
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15 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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16 */
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17 public interface Facet extends Serializable {
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18
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19 /**
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20 * Returns the index of this facet.
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21 *
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22 * @return the index of this facet.
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23 */
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24 int getIndex();
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25
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26 /**
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27 * Returns the name of this facet.
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28 *
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29 * @return the name of this facet.
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30 */
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31 String getName();
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32
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33
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34 /**
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35 * Returns the description of this facet.
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36 *
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37 * @return the description of this facet.
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38 */
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39 String getDescription();
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40
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41
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42 /**
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43 * Returns the data this facet requires.
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44 *
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45 * @param artifact The owner artifact.
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46 * @param context The CallContext.
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47 *
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48 * @return the data.
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49 */
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50 Object getData(Artifact artifact, CallContext context);
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51
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52
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53 /**
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54 * Get keys for which this Facet can provide data (for other facets, not
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55 * for plot).
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56 * @param artifact Artifact that this facet belongs to.
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57 * @return list of keys
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58 */
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59 List getDataProviderKeys(Artifact artifact);
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61
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62 /**
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63 * Provide data to other facet.
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64 *
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65 * @param art The artifact that this facet belongs to.
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66 * @param key the key of the requested service.
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67 * @param prm optional parameters.
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68 * @param ctxt the callcontext.
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69 *
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70 * @return the data
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71 */
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72 Object provideBlackboardData(
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73 Artifact art,
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74 Object key,
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75 Object prm,
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76 CallContext ctxt);
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77
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79 /**
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80 * Write the internal representation of a facet to a node.
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81 *
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82 * @param doc A Document.
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83 *
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84 * @return the representation as Node.
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85 */
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86 Node toXML(Document doc);
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87
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88 Facet deepCopy();
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89 }
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90 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org