view flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/WQFacet.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 5a28312aee99
children
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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 provides at km given in context.
     *
     * @param artifact the owner artifact.
     * @param context  the CallContext.
     *
     * @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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