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annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/WQFacet.java @ 3436:0d63581c5df1

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FLYSArtifact: Prevent NPE in getOutputForState(). Why does this happen? flys-artifacts/trunk@5099 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Sascha L. Teichmann <sascha.teichmann@intevation.de>
date Mon, 23 Jul 2012 08:38:23 +0000
parents 0f7abd95c6e2
children c105b4466b4e
rev   line source
1896
2e2ca95459d2 New Facet and Artifact to access interpolated W/Q data (todo-rich).
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1 package de.intevation.flys.artifacts.model;
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2
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3 import de.intevation.artifacts.Artifact;
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4 import de.intevation.artifacts.CallContext;
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5
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6 import de.intevation.artifactdatabase.state.DefaultFacet;
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7
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8 import de.intevation.flys.artifacts.WQKmsInterpolArtifact;
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9
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10 /**
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11 * Facet to show W|Q Values.
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12 */
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13 public class WQFacet
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14 extends DefaultFacet
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15 implements FacetTypes {
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16
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17 /** Trivial Constructor. */
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18 public WQFacet(String description) {
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19 this(STATIC_WQ, description);
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20 }
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21
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22
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23 /**
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24 * A Facet with WQ data.
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25 */
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26 public WQFacet(String name, String description) {
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27 this.name = name;
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28 this.description = description;
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29 this.index = 0;
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30 }
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31
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32
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33 /**
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34 * Returns the data this facet requires.
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35 *
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36 * @param artifact the owner artifact.
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37 * @param context the CallContext (ignored).
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38 *
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39 * @return the data.
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40 */
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41 @Override
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42 public Object getData(Artifact artifact, CallContext context) {
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43 WQKmsInterpolArtifact interpolData =
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44 (WQKmsInterpolArtifact) artifact;
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45 return interpolData.getWQAtKm(10);
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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 * Create a deep copy of this Facet.
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51 * @return a deep copy.
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52 */
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53 @Override
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54 public WQKmsFacet deepCopy() {
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55 WQKmsFacet copy = new WQKmsFacet(description);
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56 copy.set(this);
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57 return copy;
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58 }
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59 }
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60 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org