view flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/GaugeDischargeFacet.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 d20215a0afd8
children
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package de.intevation.flys.artifacts.model;

import org.apache.log4j.Logger;

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

import de.intevation.artifactdatabase.state.Facet;

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


/**
 * Access Discharge Curve of a gauge.
 */
public class GaugeDischargeFacet extends DataFacet {

    /** Private logger. */
    private static final Logger logger =
        Logger.getLogger(GaugeDischargeFacet.class);


    public GaugeDischargeFacet() {
    }


    /**
     * @param index Index translates to index of WQ-array.
     * @param name Name of the facet.
     * @param desc Description of the facet (visible in client).
     */
    public GaugeDischargeFacet(int index, String name, String desc) {
        super(index, name, desc, ComputeType.ADVANCE, null,
            "state.gaugedischarge.init");
    }


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

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


    @Override
    public Facet deepCopy() {
        GaugeDischargeFacet copy = new GaugeDischargeFacet();
        copy.set(this);
        copy.type    = type;
        copy.hash    = hash;
        copy.stateId = stateId;
        return copy;
    }


    /**
     * @return wqkms corresponding to gauge of artifact and index of facet.
     */
    @Override
    public Object getData(Artifact artifact, CallContext context) {
        if (logger.isDebugEnabled()) {
            logger.debug("Get data for discharge curves at index: " +
                index + " / stateId: " + stateId);
        }

        if (stateId == null) {
            logger.error("GaugeDischargeFacet.getData: stateId is null.");
        }
        FLYSArtifact flys = (FLYSArtifact) artifact;

        CalculationResult res = (CalculationResult)
            flys.compute(context, hash, stateId, type, true);

        WQKms[] discharge = (WQKms[]) res.getData();

        return discharge[index];
    }
}
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