Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/model/QSectorFacet.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.model; import org.apache.log4j.Logger; import org.dive4elements.artifacts.Artifact; import org.dive4elements.artifacts.CallContext; import org.dive4elements.river.artifacts.QSectorArtifact; import org.dive4elements.artifactdatabase.state.DefaultFacet; import org.dive4elements.artifactdatabase.state.Facet; /** * Facet to access QSector that where added by user. */ public class QSectorFacet extends DefaultFacet { /** Logger for this class. */ private static final Logger logger = Logger.getLogger(QSectorFacet.class); /** * Trivial Constructor. */ public QSectorFacet() { } /** * Trivial Constructor for a QSectorFacet. * * @param index Database-Index to use. * @param name Name (~type) of Facet. * @param description Description of Facet. */ public QSectorFacet(int index, String name, String description) { super(index, name, description); } /** * Get List of QSector for river from Artifact. * * @param artifact (QSector-)Artifact to query for list of QSector. * @param context Ignored. */ @Override public Object getData(Artifact artifact, CallContext context) { QSectorArtifact qsectorArtifact = (QSectorArtifact) artifact; if (qsectorArtifact == null || context == null || context.getContextValue("currentKm") == null) { logger.error("No artifact, context or currentKm in QSectorFacet"); return null; } double currentKm = ((Double)context.getContextValue("currentKm")).doubleValue(); return qsectorArtifact.getQSectors(currentKm, context); } /** Do a deep copy. */ @Override public Facet deepCopy() { QSectorFacet copy = new QSectorFacet(); copy.set(this); return copy; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :