view flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/WaterlevelState.java @ 4496:d8992459b408

Add method to return the facets of an artifact This methos should be used to get the facets of an artifact instead of accessing the facets member variable directly.
author Björn Ricks <bjoern.ricks@intevation.de>
date Wed, 14 Nov 2012 11:11:04 +0100
parents 1b4aaa7dbd07
children
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package de.intevation.flys.artifacts.states;

import java.util.List;

import org.apache.log4j.Logger;

import de.intevation.artifactdatabase.state.Facet;
import de.intevation.artifacts.CallContext;
import de.intevation.flys.artifacts.ChartArtifact;
import de.intevation.flys.artifacts.FLYSArtifact;
import de.intevation.flys.artifacts.WINFOArtifact;
import de.intevation.flys.artifacts.model.CalculationResult;
import de.intevation.flys.artifacts.model.CrossSectionWaterLineFacet;
import de.intevation.flys.artifacts.model.DataFacet;
import de.intevation.flys.artifacts.model.EmptyFacet;
import de.intevation.flys.artifacts.model.FacetTypes;
import de.intevation.flys.artifacts.model.ReportFacet;
import de.intevation.flys.artifacts.model.WQKms;
import de.intevation.flys.artifacts.model.WaterlevelFacet;
import de.intevation.flys.utils.FLYSUtils;

/** State in which a waterlevel has been calculated. */
public class WaterlevelState
extends      DefaultState
implements   FacetTypes
{
    /** The logger that is used in this state. */
    private static Logger logger = Logger.getLogger(WaterlevelState.class);


    /**
     * From this state can only be continued trivially.
     */
    @Override
    protected String getUIProvider() {
        return "continue";
    }


    /**
     * Compute result or returned object from cache, create facets.
     * @param old Object that was cached.
     */
    protected Object compute(
        WINFOArtifact winfo,
        CallContext   cc,
        String        hash,
        List<Facet>   facets,
        Object        old
    ) {
        String id = getID();

        CalculationResult res = old instanceof CalculationResult
            ? (CalculationResult) old
            : winfo.getWaterlevelData();

        if (facets == null) {
            return res;
        }

        boolean debug = logger.isDebugEnabled();

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

        for (int i = 0; i < wqkms.length; i++) {
            String name = wqkms[i].getName();

            String nameW = FLYSUtils.createWspWTitle(winfo, cc, name);
            String nameQ = FLYSUtils.createWspQTitle(winfo, cc, name);

            // Hotfix for theme names. Themes with the same name cause problems
            // aggregating chart legend items.
            if (i > 0 && name.equals(wqkms[i - 1].getName())) {
                nameW += "; Q=" + wqkms[i].get(0, new double[3])[1];
                nameQ += " = " + wqkms[i].get(0, new double[3])[1];
            }

            if (debug) {
                logger.debug("Create facet: " + nameW);
                logger.debug("Create facet: " + nameQ);
            }

            Facet w = new WaterlevelFacet(
                i, LONGITUDINAL_W, nameW, ComputeType.ADVANCE, id, hash);
            Facet q = new WaterlevelFacet(
                i, LONGITUDINAL_Q, nameQ, ComputeType.ADVANCE, id, hash);

            facets.add(new CrossSectionWaterLineFacet(i, nameW));

            facets.add(w);
            facets.add(q);
        }

        if (wqkms.length > 0) {
            Facet wst = new DataFacet(
                WST, "WST data", ComputeType.ADVANCE, hash, id);
            Facet csv = new DataFacet(
                CSV, "CSV data", ComputeType.ADVANCE, hash, id);
            Facet pdf = new DataFacet(
                PDF, "PDF data", ComputeType.ADVANCE, hash, id);

            facets.add(wst);
            facets.add(csv);
            facets.add(pdf);
        }

        if (res.getReport().hasProblems()) {
            facets.add(new ReportFacet(ComputeType.ADVANCE, hash, id));
        }

        return res;
    }


    /**
     * @param context Ignored.
     */
    @Override
    public Object computeFeed(
        FLYSArtifact artifact,
        String       hash,
        CallContext  context,
        List<Facet>  facets,
        Object       old
    ) {
        if (artifact instanceof ChartArtifact) {
            facets.add(new EmptyFacet());
            return null;
        }
        return compute((WINFOArtifact) artifact, context, hash, facets, old);
    }


    /**
     * @param context Ignored.
     */
    @Override
    public Object computeAdvance(
        FLYSArtifact artifact,
        String       hash,
        CallContext  context,
        List<Facet>  facets,
        Object       old
    ) {
        if (artifact instanceof ChartArtifact) {
            facets.add(new EmptyFacet());
            return null;
        }
        return compute((WINFOArtifact) artifact, context, hash, facets, old);
    }
}
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