Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/states/QSectorSingleState.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 |
line wrap: on
line source
/* 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.states; import java.util.List; import org.apache.log4j.Logger; import org.dive4elements.artifacts.CallMeta; import org.dive4elements.artifacts.CallContext; import org.dive4elements.artifactdatabase.state.Facet; import org.dive4elements.river.artifacts.D4EArtifact; import org.dive4elements.river.artifacts.QSectorArtifact; import org.dive4elements.river.artifacts.model.FacetTypes; import org.dive4elements.river.artifacts.model.QSectorFacet; import org.dive4elements.river.artifacts.resources.Resources; /** * The only state for an QSectorArtifact. */ public class QSectorSingleState extends DefaultState implements FacetTypes { /** Developer-centric description of facet. */ public static final String I18N_DESCRIPTION = "facet.qsector"; /** The logger that is used in this state. */ private static final Logger logger = Logger.getLogger(QSectorSingleState.class); /** * Add QSectorFacets to list of Facets. * * @param artifact Ignored. * @param hash Ignored. * @param meta CallMeta to be used for internationalization. * @param facets List to add QSectorFacet to. * * @return null. */ public Object compute( D4EArtifact artifact, String hash, CallMeta meta, List<Facet> facets ) { logger.debug("QSectorSingleState.compute()"); QSectorArtifact points = (QSectorArtifact) artifact; QSectorFacet qfacet = new QSectorFacet( 0, QSECTOR, Resources.getMsg(meta, "qsectors", "Q Sectors")); facets.add(qfacet); return null; } /** Call compute. */ @Override public Object computeInit( D4EArtifact artifact, String hash, Object context, CallMeta meta, List<Facet> facets ) { return compute(artifact, hash, meta, facets); } /** Call compute. */ @Override public Object computeFeed( D4EArtifact artifact, String hash, CallContext context, List<Facet> facets, Object old ) { return compute(artifact, hash, context.getMeta(), facets); } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :