Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/states/AnnotationRiverState.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> |
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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.states; import java.util.List; import org.apache.log4j.Logger; import org.dive4elements.artifacts.CallMeta; import org.dive4elements.artifactdatabase.state.Facet; import org.dive4elements.river.artifacts.AnnotationArtifact; import org.dive4elements.river.artifacts.D4EArtifact; import org.dive4elements.river.artifacts.model.AnnotationFacet; import org.dive4elements.river.artifacts.model.FacetTypes; import org.dive4elements.river.artifacts.resources.Resources; /** * The only state for an AnnotationArtifact (River is known). */ public class AnnotationRiverState extends DefaultState implements FacetTypes { /** Developer-centric description of facet. */ public static final String I18N_DESCRIPTION = "facet.longitudinal_section.annotations"; /** The logger that is used in this state. */ private static final Logger logger = Logger.getLogger(AnnotationRiverState.class); /** * Add an AnnotationFacet to list of Facets. * * @param artifact Ignored. * @param hash Ignored. * @param context Ignored. * @param meta CallMeta to be used for internationalization. * @param facets List to add AnnotationFacet to. * * @return null. */ @Override public Object computeInit( D4EArtifact artifact, String hash, Object context, CallMeta meta, List<Facet> facets ) { logger.debug("AnnotationRiverState.computeInit()"); AnnotationArtifact annotationArtifact = (AnnotationArtifact) artifact; String facetName = annotationArtifact.getFilterName(); if (facetName == null) { facetName = Resources.getMsg(meta, I18N_DESCRIPTION, I18N_DESCRIPTION); } AnnotationFacet facet = new AnnotationFacet( 0, LONGITUDINAL_ANNOTATION, facetName); facets.add(facet); return null; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :