Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/QSectorFacet.java @ 4507:976ff4b74b96

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QSectorFacet: Guard access to curentKm in context.
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Wed, 14 Nov 2012 12:26:45 +0100
parents 6442f317a0c7
children
rev   line source
3573
374c2d70b982 Added stub of QSector-Artifact-infrastructure.
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1 package de.intevation.flys.artifacts.model;
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2
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3 import org.apache.log4j.Logger;
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4
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5 import de.intevation.artifacts.Artifact;
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6 import de.intevation.artifacts.CallContext;
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7
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8 import de.intevation.flys.artifacts.QSectorArtifact;
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9
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10 import de.intevation.artifactdatabase.state.DefaultFacet;
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11 import de.intevation.artifactdatabase.state.Facet;
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12
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13
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14 /**
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15 * Facet to access QSector that where added by user.
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16 */
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17 public class QSectorFacet
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18 extends DefaultFacet
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19 {
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20 /** Logger for this class. */
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21 private static final Logger logger = Logger.getLogger(QSectorFacet.class);
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22
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23
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24 /**
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25 * Trivial Constructor.
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26 */
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27 public QSectorFacet() {
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28 }
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29
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30
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31 /**
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32 * Trivial Constructor for a QSectorFacet.
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33 *
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34 * @param index Database-Index to use.
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35 * @param name Name (~type) of Facet.
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36 * @param description Description of Facet.
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37 */
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38 public QSectorFacet(int index, String name, String description) {
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39 super(index, name, description);
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40 }
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41
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42
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43 /**
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44 * Get List of QSector for river from Artifact.
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45 *
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46 * @param artifact (QSector-)Artifact to query for list of QSector.
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47 * @param context Ignored.
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48 */
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49 @Override
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50 public Object getData(Artifact artifact, CallContext context) {
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51 QSectorArtifact qsectorArtifact = (QSectorArtifact) artifact;
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52 if (qsectorArtifact == null || context == null ||
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53 context.getContextValue("currentKm") == null) {
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54 logger.error("No artifact, context or currentKm in QSectorFacet");
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55 return null;
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56 }
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57 double currentKm =
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58 ((Double)context.getContextValue("currentKm")).doubleValue();
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59 return qsectorArtifact.getQSectors(currentKm, context);
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60 }
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61
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62
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63 /** Do a deep copy. */
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64 @Override
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65 public Facet deepCopy() {
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66 QSectorFacet copy = new QSectorFacet();
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67 copy.set(this);
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68 return copy;
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69 }
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70 }
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71 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org