view artifacts/src/main/java/org/dive4elements/river/artifacts/model/ReportFacet.java @ 8659:af415396d9ca

(issue1803) Use MD5 instead of a homegrown hashing algorithm For creating a digest of the parametrization we should use an algorithm that does not create collisions if there are small changes in the parametrization so that wrong results are returned.
author Andre Heinecke <andre.heinecke@intevation.de>
date Thu, 02 Apr 2015 17:40:18 +0200
parents e4606eae8ea5
children 0a5239a1e46e
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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 log = 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) {
        log.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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