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annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/HYKFacet.java @ 4118:116464587b51

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Documentation.
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Fri, 12 Oct 2012 15:14:29 +0200
parents e1fd2dfdcb80
children
rev   line source
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767ce9d1991f Added HYKFacet.
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1 package de.intevation.flys.artifacts.model;
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2
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3 import de.intevation.artifactdatabase.state.Facet;
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4 import de.intevation.artifacts.Artifact;
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5 import de.intevation.artifacts.CallContext;
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6 import de.intevation.artifacts.DataProvider;
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7 import de.intevation.flys.artifacts.HYKArtifact;
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8 import de.intevation.flys.artifacts.states.DefaultState.ComputeType;
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9 import de.intevation.flys.model.FastCrossSectionLine;
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10
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11 import java.util.List;
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12
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13 import org.apache.log4j.Logger;
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14
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15
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16 /**
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17 * Trival Facet for HYKs
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18 */
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19 public class HYKFacet
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20 extends DataFacet
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21 implements FacetTypes {
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22
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23 /** House logger. */
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24 private static Logger logger = Logger.getLogger(HYKFacet.class);
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25
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26 /** Trivial constructor, set (maybe localized) description. */
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27 public HYKFacet(int idx, String description) {
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28 super(idx, HYK, description, ComputeType.FEED, null, null);
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29 }
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30
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31
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32 /**
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33 * Set km from cross section- master to HYKArtifact, then fire up
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34 * computation.
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35 *
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36 * @param art artifact to get data from.
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37 * @param context ignored
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38 */
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39 @Override
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40 public Object getData(Artifact art, CallContext context) {
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41 logger.debug("HYKFacet.getData");
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42
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43 String dataKey = CrossSectionFacet.BLACKBOARD_CS_MASTER_DATA;
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44
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45 List<DataProvider> providers = context.getDataProvider(dataKey);
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46 if (providers.size() < 1) {
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47 logger.warn("Could not find Cross-Section data provider to get master cs km.");
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48 return null;
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49 }
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50
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51 FastCrossSectionLine crossSection = (FastCrossSectionLine) providers.get(0)
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52 .provideData(dataKey, null, context);
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53
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54 if(crossSection == null) {
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55 logger.debug("getData: crossSection is null");
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56 return null;
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57 }
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58
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59 double km = crossSection.getKm();
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60 logger.debug("HYKFacet.getData: Master Cross Section is at km: " + km);
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61
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62 // Set this km at hyk artifact to be evaluated.
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63 HYKArtifact hyk = (HYKArtifact) art;
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64 hyk.setKm(km);
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65
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66 return hyk.compute(context, hash, stateId, type, false);
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67 }
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68
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69
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70 /** Do a deep copy. */
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71 @Override
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72 public Facet deepCopy() {
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73 HYKFacet copy = new HYKFacet(this.index, this.description);
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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