view artifacts/src/main/java/org/dive4elements/river/artifacts/WMSBackgroundArtifact.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;

import java.util.ArrayList;
import java.util.List;

import org.apache.log4j.Logger;

import org.dive4elements.artifacts.Artifact;
import org.dive4elements.artifacts.CallMeta;

import org.dive4elements.artifactdatabase.state.Facet;

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


public class WMSBackgroundArtifact extends StaticD4EArtifact {

    public static final String NAME = "wmsbackground";

    private static final Logger logger =
        Logger.getLogger(WMSBackgroundArtifact.class);


    @Override
    public String getName() {
        return NAME;
    }


    @Override
    protected void initialize(Artifact artifact, Object context, CallMeta meta) {
        logger.debug("Initialize internal state with: "+ artifact.identifier());

        D4EArtifact flys = (D4EArtifact) artifact;
        addData("river", flys.getData("river"));

        List<Facet> fs = new ArrayList<Facet>();

        // TODO Add CallMeta
        DefaultState state = (DefaultState) getCurrentState(context);
        state.computeInit(this, hash(), context, meta, fs);

        if (!fs.isEmpty()) {
            addFacets(getCurrentStateId(), fs);
        }
    }
}
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