teichmann@5863: /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
teichmann@5863:  * Software engineering by Intevation GmbH
teichmann@5863:  *
teichmann@5994:  * This file is Free Software under the GNU AGPL (>=v3)
teichmann@5863:  * and comes with ABSOLUTELY NO WARRANTY! Check out the
teichmann@5994:  * documentation coming with Dive4Elements River for details.
teichmann@5863:  */
teichmann@5863: 
teichmann@5831: package org.dive4elements.river.artifacts.model.fixings;
raimund@3035: 
ingo@3466: import org.apache.log4j.Logger;
teichmann@5831: import org.dive4elements.artifacts.Artifact;
teichmann@5831: import org.dive4elements.artifacts.CallContext;
teichmann@5867: import org.dive4elements.river.artifacts.D4EArtifact;
teichmann@5831: import org.dive4elements.river.artifacts.model.CalculationResult;
teichmann@5831: import org.dive4elements.river.artifacts.model.FacetTypes;
teichmann@5831: import org.dive4elements.river.artifacts.states.DefaultState.ComputeType;
teichmann@5831: import org.dive4elements.river.utils.KMIndex;
raimund@3035: 
raimund@3035: /**
raimund@3035:  * Facet to show W values for Q values at km for a date.
raimund@3035:  *
raimund@3035:  * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
raimund@3035:  */
gernotbelger@9348: public class FixReferenceEventsFacet extends FixingsFacet implements FacetTypes {
raimund@3035: 
teichmann@8202:     /** House log. */
teichmann@8202:     private static Logger log = Logger.getLogger(FixReferenceEventsFacet.class);
raimund@3035: 
raimund@3035:     /** Trivial Constructor. */
raimund@3035:     public FixReferenceEventsFacet() {
raimund@3035:     }
raimund@3035: 
gernotbelger@9348:     public FixReferenceEventsFacet(final int index, final String name, final String description) {
gernotbelger@9348:         super(index, name, description, ComputeType.ADVANCE, null, null);
raimund@3035:     }
raimund@3035: 
raimund@3035:     /**
raimund@3035:      * Returns the data this facet requires.
raimund@3035:      *
gernotbelger@9348:      * @param artifact
gernotbelger@9348:      *            the owner artifact.
gernotbelger@9348:      * @param context
gernotbelger@9348:      *            the CallContext (ignored).
raimund@3035:      *
raimund@3035:      * @return the data.
raimund@3035:      */
raimund@3035:     @Override
gernotbelger@9348:     public Object getData(final Artifact artifact, final CallContext context) {
teichmann@8202:         log.debug("FixReferenceEventsFacet.getData");
raimund@3035: 
teichmann@6868:         if (!(artifact instanceof D4EArtifact)) {
teichmann@8202:             log.debug("Not an instance of FixationArtifact.");
raimund@3035:             return null;
raimund@3035:         }
teichmann@6868: 
gernotbelger@9348:         final D4EArtifact flys = (D4EArtifact) artifact;
teichmann@6868: 
gernotbelger@9348:         final CalculationResult res = (CalculationResult) flys.compute(context, ComputeType.ADVANCE, false);
teichmann@6868: 
gernotbelger@9348:         final FixResult result = (FixResult) res.getData();
gernotbelger@9348:         final double currentKm = getCurrentKm(context);
teichmann@6868: 
gernotbelger@9360:         if (log.isDebugEnabled())
teichmann@8202:             log.debug("current km in FRE: " + currentKm);
teichmann@6868: 
gernotbelger@9348:         /* first search in referenced */
gernotbelger@9360:         final KMIndex<QWD[]> referenced = result.getFixings();
gernotbelger@9360:         return find(referenced, currentKm);
raimund@3035:     }
raimund@3035: 
gernotbelger@9348:     private QWD find(final KMIndex<QWD[]> kmQWs, final double currentKm) {
gernotbelger@9348: 
gernotbelger@9348:         final KMIndex.Entry<QWD[]> kmQWsEntry = kmQWs.binarySearch(currentKm);
gernotbelger@9348:         if (kmQWsEntry != null) {
gernotbelger@9348:             final int ndx = this.index & 255;
gernotbelger@9348:             for (final QWD qwd : kmQWsEntry.getValue()) {
gernotbelger@9348:                 if (qwd.getIndex() == ndx)
gernotbelger@9348:                     return qwd;
gernotbelger@9348:             }
gernotbelger@9348:         }
gernotbelger@9348: 
gernotbelger@9348:         return null;
gernotbelger@9348:     }
raimund@3035: 
raimund@3035:     /**
raimund@3035:      * Create a deep copy of this Facet.
gernotbelger@9348:      *
raimund@3035:      * @return a deep copy.
raimund@3035:      */
raimund@3035:     @Override
raimund@3035:     public FixReferenceEventsFacet deepCopy() {
gernotbelger@9348:         final FixReferenceEventsFacet copy = new FixReferenceEventsFacet();
raimund@3035:         copy.set(this);
raimund@3035:         return copy;
raimund@3035:     }
gernotbelger@9348: }