/* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
 * Software engineering by Intevation GmbH
 *
 * This file is Free Software under the GNU AGPL (>=v3)
 * and comes with ABSOLUTELY NO WARRANTY! Check out the
 * documentation coming with Dive4Elements River for details.
 */

package org.dive4elements.river.artifacts.model.fixings;

import org.apache.log4j.Logger;

import org.dive4elements.artifacts.Artifact;
import org.dive4elements.artifacts.CallContext;

import org.dive4elements.river.artifacts.D4EArtifact;
import org.dive4elements.river.artifacts.model.DataFacet;
import org.dive4elements.river.artifacts.model.FacetTypes;
import org.dive4elements.river.artifacts.model.WQKmsFactory;
import org.dive4elements.river.artifacts.access.FixRealizingAccess;

import org.dive4elements.river.artifacts.states.DefaultState.ComputeType;


/**
 * Facet to show W|Q|km Values.
 */
public class FixEventFacet
extends      DataFacet
implements   FacetTypes {

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


    public FixEventFacet(int index, String name, String description) {
        super(index, name, description, ComputeType.FEED, 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("FixEventFacet.getData");

        FixRealizingAccess access = new FixRealizingAccess((D4EArtifact) artifact);
        int wstColID = access.getEvents()[index];
        return WQKmsFactory.getWQKmsCID(wstColID);
    }


    /**
     * Create a deep copy of this Facet.
     * @return a deep copy.
     */
    @Override
    public FixEventFacet deepCopy() {
        FixEventFacet copy = new FixEventFacet(index, name, description);
        copy.set(this);
        return copy;
    }
}
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