view flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/DifferenceCurveFacet.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 ed07dd55f487
children
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package de.intevation.flys.artifacts.model;

import org.apache.log4j.Logger;

import de.intevation.artifactdatabase.state.Facet;
import de.intevation.artifacts.Artifact;
import de.intevation.artifacts.CallContext;
import de.intevation.flys.artifacts.WINFOArtifact;
import de.intevation.flys.artifacts.states.DefaultState.ComputeType;


/**
 * Facet with the curve of a subtraction of two waterlevel-lines.
 * TODO inherit directly from DataFacet? Check whether this Facet is obsolete.
 */
public class DifferenceCurveFacet extends WaterlevelFacet {

    private static Logger logger = Logger.getLogger(DifferenceCurveFacet.class);


    public DifferenceCurveFacet() {
    }

    public DifferenceCurveFacet(
        int         index,
        String      name,
        String      description,
        ComputeType type,
        String      stateID,
        String      hash

    ) {
        super(index, name, description, type, stateID, hash);
    }

    /**
     * Get difference curve data.
     * @return a WKms at given index.
     */
    @Override
    public Object getData(Artifact artifact, CallContext context) {
        WINFOArtifact winfo = (WINFOArtifact)artifact;

        CalculationResult res = (CalculationResult)
            winfo.compute(context, hash, stateId, type, false);

        WKms [] wkms = (WKms [])res.getData();

        WKms result = wkms[index];
        logger.debug("Got difference curve data (" + result.getName()
            + ") at index: " + index);

        return result;
    }


    /** Copy deeply. */
    @Override
    public Facet deepCopy() {
        WaterlevelFacet copy = new DifferenceCurveFacet();
        copy.set(this);
        copy.type    = type;
        copy.stateId = stateId;
        copy.hash    = hash;
        return copy;
    }
}
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