Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/HYKFacet.java @ 3344:cb376f48dd37 2.8

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merged flys-backend/2.8
author Thomas Arendsen Hein <thomas@intevation.de>
date Fri, 28 Sep 2012 12:14:36 +0200
parents 5642a83420f2
children cd5eb8f5f6f1
rev   line source
2133
767ce9d1991f Added HYKFacet.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
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1 package de.intevation.flys.artifacts.model;
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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 org.apache.log4j.Logger;
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6
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7 import de.intevation.artifacts.Artifact;
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8 import de.intevation.artifacts.CallContext;
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9 import de.intevation.artifacts.DataProvider;
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10
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11 import de.intevation.artifactdatabase.state.Facet;
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12
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13 import de.intevation.flys.artifacts.HYKArtifact;
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14
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15 import de.intevation.flys.artifacts.states.DefaultState.ComputeType;
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16 import de.intevation.flys.model.FastCrossSectionLine;
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17
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18
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19 /**
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20 * Trival Facet for HYKs
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21 */
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22 public class HYKFacet
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23 extends DataFacet
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24 implements FacetTypes {
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25
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26 /** House logger. */
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27 private static Logger logger = Logger.getLogger(HYKFacet.class);
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28
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29
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30 /** Trivial constructor, set (maybe localized) description. */
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31 public HYKFacet(int idx, String description) {
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32 super(idx, HYK, description, ComputeType.FEED, null, null);
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33 }
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34
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35
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36 /**
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37 * Set km from cross section- master to HYKArtifact, then fire up
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38 * computation.
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39 *
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40 * @param art artifact to get data from.
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41 * @param context ignored
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42 */
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43 public Object getData(Artifact art, CallContext context) {
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44 logger.debug("HYKFacet.getData");
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45
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46 String dataKey = CrossSectionFacet.BLACKBOARD_CS_MASTER_DATA;
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47
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48 List<DataProvider> providers = context.getDataProvider(dataKey);
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49 if (providers.size() < 1) {
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50 logger.warn("Could not find Cross-Section data provider to get master cs km.");
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51 return null;
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52 }
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53
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54 FastCrossSectionLine crossSection = (FastCrossSectionLine) providers.get(0)
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55 .provideData(dataKey, null, context);
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56
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57 double km = crossSection.getKm();
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58 logger.debug("HYKFacet.getData: Master Cross Section is at km: " + km);
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59
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60 // Set this km at hyk artifact to be evaluated.
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61 HYKArtifact hyk = (HYKArtifact) art;
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62 hyk.setKm(km);
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63
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64 return hyk.compute(context, hash, stateId, type, false);
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65 }
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66
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67
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68 /** Do a deep copy. */
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69 @Override
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70 public Facet deepCopy() {
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71 HYKFacet copy = new HYKFacet(this.index, this.description);
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72 copy.set(this);
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73 return copy;
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74 }
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75 }
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76 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org