view flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/WQFacet.java @ 3739:0edc05642fa4

Add new artifact service for the gauge overview flys-artifacts/trunk@5416 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Bjoern Ricks <bjoern.ricks@intevation.de>
date Mon, 10 Sep 2012 08:23:08 +0000
parents c105b4466b4e
children 5a28312aee99
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package de.intevation.flys.artifacts.model;

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

import de.intevation.artifactdatabase.state.DefaultFacet;

import de.intevation.flys.artifacts.WQKmsInterpolArtifact;

/**
 * Facet to show W|Q Values.
 */
public class WQFacet
extends      DefaultFacet
implements   FacetTypes {

    /** Trivial Constructor. */
    public WQFacet(String description) {
        this(STATIC_WQ, description);
    }


    /**
     * A Facet with WQ data.
     */
    public WQFacet(String name, String description) {
        this.name        = name;
        this.description = description;
        this.index       = 0;
    }


    /**
     * 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) {
        WQKmsInterpolArtifact interpolData =
            (WQKmsInterpolArtifact) artifact;
        Double currentKm = (Double)context.getContextValue("currentKm");
        return interpolData.getWQAtKm(currentKm);
    }


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