teichmann@5863: /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
teichmann@5863:  * Software engineering by Intevation GmbH
teichmann@5863:  *
teichmann@5863:  * This file is Free Software under the GNU AGPL (>=v3) 
teichmann@5863:  * and comes with ABSOLUTELY NO WARRANTY! Check out the
teichmann@5863:  * documentation coming with Dive4Elements River for details. 
teichmann@5863:  */
teichmann@5863: 
teichmann@5831: package org.dive4elements.river.artifacts.access;
teichmann@4812: 
teichmann@5867: import org.dive4elements.river.artifacts.D4EArtifact;
teichmann@4812: 
teichmann@5831: import org.dive4elements.river.artifacts.model.Segment;
teichmann@4812: 
teichmann@4812: import java.util.Collections;
teichmann@4812: import java.util.List;
teichmann@4812: 
teichmann@4812: import org.apache.log4j.Logger;
teichmann@4812: 
teichmann@5831: import org.dive4elements.river.utils.DoubleUtil;
teichmann@4812: 
teichmann@4812: public class Calculation4Access
felix@4857: extends      RangeAccess
teichmann@4812: {
teichmann@4812:     private static Logger log = Logger.getLogger(Calculation4Access.class);
teichmann@4812: 
teichmann@4812:     protected List<Segment> segments;
teichmann@4812: 
teichmann@4812:     protected double [] fromToStep;
teichmann@4812: 
teichmann@4812:     protected Boolean isQ;
teichmann@4812: 
teichmann@4812:     protected Boolean isRange;
teichmann@4812: 
teichmann@4812: 
teichmann@5867:     public Calculation4Access(D4EArtifact artifact) {
felix@4857:         super(artifact, null);
teichmann@4812:     }
teichmann@4812: 
teichmann@4812:     public List<Segment> getSegments() {
teichmann@4812:         if (segments == null) {
teichmann@4812:             String input = getString("wq_values");
teichmann@4812:             if (input == null || (input = input.trim()).length() == 0) {
teichmann@4812:                 log.warn("no wq_values given");
teichmann@4812:                 segments = Collections.<Segment>emptyList();
teichmann@4812:             }
teichmann@4839:             else {
teichmann@4839:                 segments = Segment.parseSegments(input);
teichmann@4839:             }
teichmann@4812:         }
teichmann@4812:         return segments;
teichmann@4812:     }
teichmann@4812: 
teichmann@4812:     public boolean isQ() {
teichmann@4812:         if (isQ == null) {
teichmann@4812:             Boolean value = getBoolean("wq_isq");
teichmann@4812:             isQ = value != null && value;
teichmann@4812:         }
teichmann@4812:         return isQ;
teichmann@4812:     }
teichmann@4812: 
teichmann@4812:     public boolean isRange() {
teichmann@4812:         if (isRange == null) {
teichmann@4812:             String mode = getString("ld_mode");
teichmann@4812:             isRange = mode == null || mode.equals("distance");
teichmann@4812:         }
teichmann@4812:         return isRange;
teichmann@4812:     }
teichmann@4812: 
teichmann@4812:     public double [] getFromToStep() {
teichmann@4812:         if (fromToStep == null) {
teichmann@4812:             // XXX: Is this really needed in this calculation?
teichmann@4812:             if (!isRange()) {
teichmann@4812:                 return null;
teichmann@4812:             }
teichmann@4812: 
teichmann@5867:             // XXX: D4EArtifact sucks!
felix@4857:             // TODO further use RangeAccess functionality.
felix@4857:             double [] fromTo = getKmRange();
teichmann@4812: 
teichmann@4812:             if (fromTo == null) {
teichmann@4812:                 return null;
teichmann@4812:             }
teichmann@4812: 
teichmann@4812:             Double dStep = getDouble("ld_step");
teichmann@4812:             if (dStep == null) {
teichmann@4812:                 return null;
teichmann@4812:             }
teichmann@4812: 
teichmann@4812:             fromToStep =  new double [] {
teichmann@4812:                 fromTo[0],
teichmann@4812:                 fromTo[1],
teichmann@4812:                 DoubleUtil.round(dStep / 1000d)
teichmann@4812:             };
teichmann@4812:         }
teichmann@4812:         return fromToStep;
teichmann@4812:     }
teichmann@4812: }
teichmann@4812: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :