view flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/fixings/FixAnalysisEventsFacet.java @ 4655:cd44d28d0fbc

Move the access to artifact data to the Access object Use BedHeightAccess class to receive the data from the artifact. This abstracts the data access from the actual artifact.
author Björn Ricks <bjoern.ricks@intevation.de>
date Tue, 11 Dec 2012 09:44:04 +0100
parents 26774405c884
children
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package de.intevation.flys.artifacts.model.fixings;

import de.intevation.artifacts.Artifact;
import de.intevation.artifacts.CallContext;

import de.intevation.flys.artifacts.FLYSArtifact;

import de.intevation.flys.artifacts.model.CalculationResult;
import de.intevation.flys.artifacts.model.FacetTypes;

import de.intevation.flys.artifacts.states.DefaultState.ComputeType;

import de.intevation.flys.utils.KMIndex;

import org.apache.log4j.Logger;

/**
 * Facet to show W values for Q values at km for a date.
 *
 * @author <a href="mailto:raimund.renkert@intevation.de">Raimund Renkert</a>
 */
public class FixAnalysisEventsFacet
extends      FixingsFacet
implements   FacetTypes {

    /** House logger. */
    private static Logger logger = Logger.getLogger(FixAnalysisEventsFacet.class);

    /** Trivial Constructor. */
    public FixAnalysisEventsFacet() {
    }


    /**
     * @param name
     */
    public FixAnalysisEventsFacet(int index, String name, String description) {
        super(index,
             name,
             description,
             ComputeType.ADVANCE,
             null,
             null);
    }


    /**
     * Returns the data this facet requires.
     *
     * @param artifact the owner artifact.
     * @param context  the CallContext (ignored).
     *
     * @return the data.
     */
    @Override
    public Object getData(Artifact artifact, CallContext context) {
        logger.debug("FixAnalysisEventsFacet.getData");

        if (artifact instanceof FLYSArtifact) {
            FLYSArtifact flys = (FLYSArtifact)artifact;

            CalculationResult res =
                (CalculationResult) flys.compute(context,
                                                 ComputeType.ADVANCE,
                                                 false);

            FixAnalysisResult result = (FixAnalysisResult) res.getData();
            double currentKm = getCurrentKm(context);

            KMIndex<AnalysisPeriod []> kmPeriods = result.getAnalysisPeriods();
            KMIndex.Entry<AnalysisPeriod []> kmPeriodsEntry =
                kmPeriods.binarySearch(currentKm);

            if(kmPeriodsEntry == null) {
                logger.debug("getData: kmPeriodsEntry == null");
                return null;
            }

            AnalysisPeriod[] periods = kmPeriodsEntry.getValue();
            if (periods == null) {
                logger.debug("getData: periods == null");
                return null;
            }
            int ndx = index >> 8;
            QWD[] qwdData = periods[ndx].getQWDs();
            if (qwdData == null) {
                return null;
            }
            int ndy = index & 255;
            for (int i = 0; i < qwdData.length; i++) {
                if (qwdData[i].getIndex() == ndy) {
                    return qwdData[i];
                }
            }
            return null;
        }
        else {
            logger.debug("Not an instance of FixationArtifact.");
            return null;
        }
    }


    /**
     * Create a deep copy of this Facet.
     * @return a deep copy.
     */
    @Override
    public FixAnalysisEventsFacet deepCopy() {
        FixAnalysisEventsFacet copy = new FixAnalysisEventsFacet();
        copy.set(this);
        return copy;
    }
}
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