Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/BlackboardDataFacet.java @ 5818:a4ff4167be1e

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Request feature info on all layers and show it as html if the server does not return valid gml. Non queryable layers produce an error message when the request fails. This is good enough
author Andre Heinecke <aheinecke@intevation.de>
date Wed, 24 Apr 2013 17:33:27 +0200
parents ccc955ef8811
children
rev   line source
2024
2bb160b2768e New facet, will ease converting other facets to be able to contribute to area computations.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
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1 package de.intevation.flys.artifacts.model;
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2
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3 import java.util.ArrayList;
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4 import java.util.List;
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5
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6 import de.intevation.artifacts.Artifact;
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7 import de.intevation.artifacts.CallContext;
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8
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9 import de.intevation.artifactdatabase.state.Facet;
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10 import de.intevation.artifactdatabase.state.DefaultFacet;
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11
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12
2bb160b2768e New facet, will ease converting other facets to be able to contribute to area computations.
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13 /**
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14 * Facet that writes artifact-uui and facet index on the blackboard,
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15 * delivers data if asked so.
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16 */
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17 public class BlackboardDataFacet extends DefaultFacet {
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18
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19 public BlackboardDataFacet() {}
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20
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21 /** Do not instantiate a BlackboardDataFacet, subclass it instead. */
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22 public BlackboardDataFacet(int idx, String name, String description) {
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23 super(idx, name, description);
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24 }
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25
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26
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27 /** Do not instantiate a BlackboardDataFacet, subclass it instead. */
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28 public BlackboardDataFacet(String name, String description) {
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29 super(0, name, description);
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30 }
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31
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32
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33 /** Define key to which to respond when asked for 'blackboard'
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34 * (DataProvider)- data. */
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35 public String areaDataKey(Artifact art) {
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36 return art.identifier() + ":" + getName() + ":" + getIndex();
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37 }
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38
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39
bb0dede9294f Implementation towards areas at other than first axis (flys/issue441).
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40 /** Hey, We can ArtifactUUID+:+FacetName+:+FacetIndex (i.e. getData)! */
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41 @Override
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42 public List getStaticDataProviderKeys(Artifact art) {
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43 List list = new ArrayList();
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44 list.add(areaDataKey(art));
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45 return list;
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46 }
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47
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48
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49 /**
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50 * Can provide whatever getData returns.
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51 * @param key will respond on uuid+index
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52 * @param param ignored
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53 * @param context ignored
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54 * @return whatever getData delivers.
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55 */
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56 @Override
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57 public Object provideBlackboardData(Artifact artifact,
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58 Object key,
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59 Object param,
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60 CallContext context
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61 ) {
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62 if (key.equals(areaDataKey(artifact))) {
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63 return getData(artifact, context);
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64 }
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65 else {
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66 return null;
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67 }
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68 }
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69
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70 /** Copy deeply. */
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71 @Override
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72 public Facet deepCopy() {
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73 BlackboardDataFacet copy = new BlackboardDataFacet();
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74 copy.set(this);
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75 return copy;
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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=utf8 :
http://dive4elements.wald.intevation.org