Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/services/RiverService.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 | a0913c206b91 |
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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.services; import java.util.List; import org.apache.log4j.Logger; import org.w3c.dom.Document; import org.w3c.dom.Element; import org.dive4elements.artifacts.CallMeta; import org.dive4elements.artifacts.GlobalContext; import org.dive4elements.artifacts.common.ArtifactNamespaceContext; import org.dive4elements.artifacts.common.utils.XMLUtils; import org.dive4elements.river.model.River; import org.dive4elements.river.artifacts.model.RiverFactory; /** * This service provides information about the supported rivers by this * application. * * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> */ public class RiverService extends D4EService { /** The logger used in this service.*/ private static Logger logger = Logger.getLogger(RiverService.class); protected Document doProcess( Document data, GlobalContext globalContext, CallMeta callMeta ) { logger.debug("RiverService.process"); Document result = XMLUtils.newDocument(); XMLUtils.ElementCreator ec = new XMLUtils.ElementCreator( result, ArtifactNamespaceContext.NAMESPACE_URI, ArtifactNamespaceContext.NAMESPACE_PREFIX); List<River> allRivers = RiverFactory.getRivers(); Element rivers = ec.create("rivers"); for (River river: allRivers) { Element r = ec.create("river"); ec.addAttr(r, "name", river.getName(), true); rivers.appendChild(r); } result.appendChild(rivers); return result; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :