view flys-artifacts/src/main/java/de/intevation/flys/artifacts/states/StaticHYKState.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 eb1a676c0d6e
children
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package de.intevation.flys.artifacts.states;

import java.util.List;

import org.apache.log4j.Logger;

import de.intevation.artifacts.CallContext;
import de.intevation.artifacts.CallMeta;

import de.intevation.artifactdatabase.state.Facet;

import de.intevation.flys.artifacts.FLYSArtifact;
import de.intevation.flys.artifacts.HYKArtifact;

import de.intevation.flys.artifacts.model.FacetTypes;
import de.intevation.flys.artifacts.model.HYKFacet;
import de.intevation.flys.artifacts.model.HYKFactory;

/**
 * Only state of a HYKArtifact.
 */
public class StaticHYKState
extends      DefaultState
implements   FacetTypes
{
    /** The logger that is used in this state. */
    transient private static final Logger logger = Logger.getLogger(StaticHYKState.class);


    /**
     * From this state can not be continued.
     */
    @Override
    protected String getUIProvider() {
        return "noinput";
    }


    /**
     * Compute, create Facets, do the same stuff as all the other states do.
     */
    protected Object compute(
        HYKArtifact   hyk,
        CallMeta      metaLocale,
        String        hash,
        List<Facet>   facets,
        Object        old
    ) {
        logger.debug("StaticHYKState.compute");
        String id = getID();

        // Prepare comparison against cached result.
        List<HYKFactory.Zone> resZones = old instanceof List
            ? (List<HYKFactory.Zone>)old
            : null;

        // TODO Compare against cached object.

        // Get Zones from HYKFactory
        List<HYKFactory.Zone> zones = (List<HYKFactory.Zone>)
            HYKFactory.getHYKs(hyk.getHykId(), hyk.getKm());

        if (facets == null) {
            logger.debug("StaticHYKState.compute no facets");
            return zones;
        }

        // Spawn Facets.
        Facet facet = new HYKFacet(0, HYKFactory.getHykName(hyk.getHykId()));
        facets.add(facet);

        return zones;
    }


    /**
     * Get data, create the facets.
     *
     * @param context Ignored.
     */
    @Override
    public Object computeFeed(
        FLYSArtifact artifact,
        String       hash,
        CallContext  context,
        List<Facet>  facets,
        Object       old
    ) {
        return compute((HYKArtifact) artifact, context.getMeta(),
            hash, facets, old);
    }


    /**
     * Create the facets.
     * @param context Ignored.
     */
    @Override
    public Object computeInit(
        FLYSArtifact artifact,
        String       hash,
        Object       context,
        CallMeta     meta,
        List<Facet>  facets
    ) {
        return compute((HYKArtifact) artifact, meta, hash, facets,
            null);
    }
}
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