Mercurial > dive4elements > river
annotate artifacts/src/main/java/org/dive4elements/river/artifacts/model/fixings/FixingsFacet.java @ 7930:d3a4b0d5bcd8
Small Java related cosmetics.
author | Sascha L. Teichmann <teichmann@intevation.de> |
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date | Thu, 12 Jun 2014 19:16:30 +0200 |
parents | af13ceeba52a |
children | a5bd0a5b8efd |
rev | line source |
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde |
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2 * Software engineering by Intevation GmbH |
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3 * |
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4 * This file is Free Software under the GNU AGPL (>=v3) |
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the |
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6 * documentation coming with Dive4Elements River for details. |
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7 */ |
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8 |
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Repaired internal references
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9 package org.dive4elements.river.artifacts.model.fixings; |
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10 |
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11 import org.dive4elements.artifacts.CallContext; |
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12 import org.dive4elements.river.artifacts.model.DataFacet; |
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13 import org.dive4elements.river.artifacts.states.DefaultState.ComputeType; |
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14 |
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15 /** |
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16 * Facet to access the current Km from the context safely |
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17 * |
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18 * @author <a href="mailto:bjoern.ricks@intevation.de">Björn Ricks</a> |
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19 */ |
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20 public class FixingsFacet extends DataFacet { |
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21 |
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22 public static final Double INVALID_KM = Double.valueOf(-1d); |
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23 public static final String CURRENT_KM = "currentKm"; |
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24 |
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25 public FixingsFacet() { |
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26 } |
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27 |
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28 public FixingsFacet(String name, String description) { |
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29 super(0, name, description, ComputeType.ADVANCE, null, null); |
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30 } |
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31 |
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32 public FixingsFacet( |
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33 int index, |
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34 String name, |
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35 String description, |
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36 ComputeType type, |
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37 String hash, |
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38 String stateId |
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39 ) { |
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40 super(index, name, description, type, hash, stateId); |
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41 } |
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42 |
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43 /** |
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44 * Returns the current km from the context. |
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45 * If the context is null or doesn't contain a currentKm then a double value of -1 will |
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46 * be returned. |
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47 * @param context The CallContext instance |
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48 * @return the current km as double |
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49 */ |
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50 protected double getCurrentKm(CallContext context) { |
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51 if (context == null) { |
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52 return INVALID_KM; |
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53 } |
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54 Double dkm = (Double)context.getContextValue(CURRENT_KM); |
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55 if (dkm == null) { |
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56 return INVALID_KM; |
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57 } |
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58 return dkm.doubleValue(); |
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59 } |
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60 } |