view artifacts/src/main/java/org/dive4elements/river/artifacts/model/ReportFacet.java @ 7471:fff862f4ef76

Experimental caching of datacage recommendations. The respective hook is called a lot and running the datacage over and over again when loading data can be expensive. So the generated recommendations are cached for some time. Hopefully this improves the overall speed of loading data from the datacage.
author Sascha L. Teichmann <teichmann@intevation.de>
date Wed, 30 Oct 2013 15:26:21 +0100
parents af13ceeba52a
children e4606eae8ea5
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/* 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;

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

import org.dive4elements.artifactdatabase.state.DefaultFacet;
import org.dive4elements.artifactdatabase.state.Facet;

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

import org.dive4elements.river.artifacts.D4EArtifact;


import org.apache.log4j.Logger;

public class ReportFacet
extends      DefaultFacet
implements   FacetTypes
{
    private static Logger logger = Logger.getLogger(ReportFacet.class);

    protected ComputeType type;
    protected String      hash;
    protected String      stateId;

    public ReportFacet() {
        this(ComputeType.ADVANCE);
    }

    public ReportFacet(ComputeType type) {
        super(0, REPORT, "report");
        this.type = type;
    }


    public ReportFacet(ComputeType type, String hash, String stateId) {
        super(0, REPORT, "report");
        this.type    = type;
        this.hash    = hash;
        this.stateId = stateId;
    }

    public Object getData(Artifact artifact, CallContext context) {
        logger.debug("get report data");

        D4EArtifact flys = (D4EArtifact)artifact;

        CalculationResult cr = (CalculationResult)flys.compute(
            context, hash, stateId, type, false);

        return cr.getReport();
    }

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