Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/model/fixings/FixingsFacet.java @ 7300:83bb52fa0c32

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(issue1529) Be more tolerant in the fitting. The invalid value warning is removed because invalid data is expected there when datapoints are not valid for this KM
author Andre Heinecke <aheinecke@intevation.de>
date Fri, 11 Oct 2013 18:40:33 +0200
parents af13ceeba52a
children a5bd0a5b8efd
rev   line source
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4897a58c8746 River artifacts: Added new copyright headers.
Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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Sascha L. Teichmann <teichmann@intevation.de>
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2 * Software engineering by Intevation GmbH
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Sascha L. Teichmann <teichmann@intevation.de>
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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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Sascha L. Teichmann <teichmann@intevation.de>
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9 package org.dive4elements.river.artifacts.model.fixings;
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10
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Sascha L. Teichmann <teichmann@intevation.de>
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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 }
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