gernotbelger@8951: /* Copyright (C) 2017 by Bundesanstalt für Gewässerkunde
gernotbelger@8951:  * Software engineering by
gernotbelger@8951:  *  Björnsen Beratende Ingenieure GmbH
gernotbelger@8951:  *  Dr. Schumacher Ingenieurbüro für Wasser und Umwelt
gernotbelger@8951:  *
gernotbelger@8951:  * This file is Free Software under the GNU AGPL (>=v3)
gernotbelger@8951:  * and comes with ABSOLUTELY NO WARRANTY! Check out the
gernotbelger@8951:  * documentation coming with Dive4Elements River for details.
gernotbelger@8951:  */
gernotbelger@8951: 
gernotbelger@8951: package org.dive4elements.river.artifacts.sinfo.flowdepthdev;
gernotbelger@8951: 
gernotbelger@8951: import java.util.List;
gernotbelger@8951: 
gernotbelger@8951: import org.apache.commons.lang.math.DoubleRange;
gernotbelger@8951: import org.dive4elements.river.artifacts.access.RangeAccess;
gernotbelger@8951: import org.dive4elements.river.artifacts.sinfo.SINFOArtifact;
gernotbelger@8951: import org.dive4elements.river.artifacts.sinfo.SinfoCalcMode;
gernotbelger@8951: import org.dive4elements.river.artifacts.sinfo.flowdepth.WstSoundingIdPair;
gernotbelger@8951: 
gernotbelger@8951: /**
gernotbelger@8951:  * Access to the flow depth calculation type specific SInfo artifact data.
gernotbelger@8951:  * REMARK: this class is NOT intended to be hold in the results (or anywhere else), in order to avoid a permanent
gernotbelger@8951:  * reference to the artifact instance.
gernotbelger@8951:  * Hence we do NOT cache any data.
gernotbelger@8951:  *
gernotbelger@8951:  * @author Gernot Belger
gernotbelger@8951:  */
gernotbelger@8951: final class FlowDepthDevelopmentAccess extends RangeAccess {
gernotbelger@8951: 
gernotbelger@8951:     static final String FIELD_DIFFID_CURRENT = "diffid_current";
gernotbelger@8951:     static final String FIELD_DIFFID_HIST = "diffid_historical";
gernotbelger@8951: 
gernotbelger@8951:     public FlowDepthDevelopmentAccess(final SINFOArtifact artifact) {
gernotbelger@8951:         super(artifact);
gernotbelger@8951: 
gernotbelger@8951:         /* assert calculation mode */
gernotbelger@8951:         final SinfoCalcMode calculationMode = artifact.getCalculationMode();
gernotbelger@8951:         assert (calculationMode == SinfoCalcMode.sinfo_calc_flow_depth_minmax);
gernotbelger@8951:     }
gernotbelger@8951: 
gernotbelger@8951:     public DoubleRange getRange() {
gernotbelger@8951:         final double from = getFrom();
gernotbelger@8951:         final double to = getTo();
gernotbelger@8951:         return new DoubleRange(from, to);
gernotbelger@8951:     }
gernotbelger@8951: 
gernotbelger@8951:     public WstSoundingIdPair getCurrentPair() {
gernotbelger@8951:         return getPair(FIELD_DIFFID_CURRENT);
gernotbelger@8951:     }
gernotbelger@8951: 
gernotbelger@8951:     public WstSoundingIdPair getHistoricalPair() {
gernotbelger@8951:         return getPair(FIELD_DIFFID_HIST);
gernotbelger@8951:     }
gernotbelger@8951: 
gernotbelger@8951:     private WstSoundingIdPair getPair(final String field) {
gernotbelger@8951:         final String diffids = getString(field);
gernotbelger@8951: 
gernotbelger@8951:         /* fetch the raw configured pairs */
gernotbelger@8951:         final List<WstSoundingIdPair> diffPairs = WstSoundingIdPair.parsePairs(diffids);
gernotbelger@8951: 
gernotbelger@8951:         if (diffPairs.size() != 1)
gernotbelger@8951:             return null;
gernotbelger@8951: 
gernotbelger@8951:         return diffPairs.get(0);
gernotbelger@8951:     }
gernotbelger@8951: }