Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/model/HistoricalDischargeDifferenceFacet.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.D4EArtifact; import org.dive4elements.river.artifacts.states.DefaultState.ComputeType; /** * Difference of historical discharge curve to ... * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> */ public class HistoricalDischargeDifferenceFacet extends HistoricalDischargeFacet { private static final Logger logger = Logger.getLogger(HistoricalDischargeDifferenceFacet.class); public HistoricalDischargeDifferenceFacet( int index, String name, String desc ) { super(index, name, desc, ComputeType.ADVANCE, null, null); } public HistoricalDischargeDifferenceFacet( int index, String name, String description, ComputeType type, String stateID, String hash ) { super(index, name, description, type, hash, stateID); } @Override public Object getData(Artifact artifact, CallContext context) { if (logger.isDebugEnabled()) { logger.debug("Get data for historical discharge difference curves" + " at index: " + index + " / stateId: " + stateId); } D4EArtifact flys = (D4EArtifact) artifact; CalculationResult res = (CalculationResult) flys.compute(context, hash, stateId, type, false); HistoricalDischargeData data = (HistoricalDischargeData) res.getData(); WQTimerange[] wqts = (WQTimerange[]) data.getWQTimeranges(); return wqts[index]; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :