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annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/BlackboardDataFacet.java @ 4255:670e98f5a441

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Fixed leak while merging facets. The ThemeList that is used by OutputHelper to sort the Facets for an Output now uses a list to store the ManagedFacets. The correct order is made up by sorting the List using Collections.sort() function of the Java JDK. Therfore, the ManagedFacet class implements the Comparable interface. The return value of its compareTo(other) method depends on the value of the 'position' field.
author Ingo Weinzierl <weinzierl.ingo@googlemail.com>
date Thu, 25 Oct 2012 14:01:46 +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>
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1 package de.intevation.flys.artifacts.model;
2bb160b2768e New facet, will ease converting other facets to be able to contribute to area computations.
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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
2bb160b2768e New facet, will ease converting other facets to be able to contribute to area computations.
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12
2bb160b2768e New facet, will ease converting other facets to be able to contribute to area computations.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
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13 /**
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14 * Facet that writes artifact-uui and facet index on the blackboard,
2bb160b2768e New facet, will ease converting other facets to be able to contribute to area computations.
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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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Felix Wolfsteller <felix.wolfsteller@intevation.de>
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26
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27 /** Do not instantiate a BlackboardDataFacet, subclass it instead. */
81312f84689a Refactored to easier enjoy benefits of caching.
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28 public BlackboardDataFacet(String name, String description) {
81312f84689a Refactored to easier enjoy benefits of caching.
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29 super(0, name, description);
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30 }
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31
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32
2104
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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
bb0dede9294f Implementation towards areas at other than first axis (flys/issue441).
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2024
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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
2bb160b2768e New facet, will ease converting other facets to be able to contribute to area computations.
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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