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1 /* Copyright (C) 2017 by Bundesanstalt für Gewässerkunde |
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2 * Software engineering by |
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3 * Björnsen Beratende Ingenieure GmbH |
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4 * Dr. Schumacher Ingenieurbüro für Wasser und Umwelt |
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5 * |
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6 * This file is Free Software under the GNU AGPL (>=v3) |
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7 * and comes with ABSOLUTELY NO WARRANTY! Check out the |
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8 * documentation coming with Dive4Elements River for details. |
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9 */ |
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10 |
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11 package org.dive4elements.river.artifacts.sinfo.flowdepthdev; |
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12 |
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13 import java.util.List; |
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14 |
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15 import org.dive4elements.river.artifacts.access.RangeAccess; |
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16 import org.dive4elements.river.artifacts.sinfo.SINFOArtifact; |
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17 import org.dive4elements.river.artifacts.sinfo.SinfoCalcMode; |
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18 import org.dive4elements.river.artifacts.sinfo.flowdepth.WstSoundingIdPair; |
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19 |
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20 /** |
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21 * Access to the flow depth calculation type specific SInfo artifact data. |
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22 * REMARK: this class is NOT intended to be hold in the results (or anywhere else), in order to avoid a permanent |
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23 * reference to the artifact instance. |
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24 * Hence we do NOT cache any data. |
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25 * |
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26 * @author Gernot Belger |
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27 */ |
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28 final class FlowDepthDevelopmentAccess extends RangeAccess { |
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29 |
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30 static final String FIELD_DIFFID_CURRENT = "diffid_current"; |
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31 static final String FIELD_DIFFID_HIST = "diffid_historical"; |
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32 |
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33 public FlowDepthDevelopmentAccess(final SINFOArtifact artifact) { |
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34 super(artifact); |
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35 |
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36 /* assert calculation mode */ |
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37 final SinfoCalcMode calculationMode = artifact.getCalculationMode(); |
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38 assert (calculationMode == SinfoCalcMode.sinfo_calc_flow_depth_minmax); |
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39 } |
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40 |
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41 public WstSoundingIdPair getCurrentPair() { |
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42 return getPair(FIELD_DIFFID_CURRENT); |
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43 } |
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44 |
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45 public WstSoundingIdPair getHistoricalPair() { |
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46 return getPair(FIELD_DIFFID_HIST); |
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47 } |
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48 |
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49 private WstSoundingIdPair getPair(final String field) { |
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50 final String diffids = getString(field); |
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51 |
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52 /* fetch the raw configured pairs */ |
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53 final List<WstSoundingIdPair> diffPairs = WstSoundingIdPair.parsePairs(diffids); |
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54 |
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55 if (diffPairs.size() != 1) |
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56 return null; |
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57 |
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58 return diffPairs.get(0); |
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59 } |
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60 } |
