Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/model/GaugeDischargeFacet.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.artifactdatabase.state.Facet; import org.dive4elements.river.artifacts.D4EArtifact; import org.dive4elements.river.artifacts.states.DefaultState.ComputeType; /** * Access Discharge Curve of a gauge. */ public class GaugeDischargeFacet extends DataFacet { /** Private logger. */ private static final Logger logger = Logger.getLogger(GaugeDischargeFacet.class); public GaugeDischargeFacet() { } /** * @param index Index translates to index of WQ-array. * @param name Name of the facet. * @param desc Description of the facet (visible in client). */ public GaugeDischargeFacet(int index, String name, String desc) { super(index, name, desc, ComputeType.ADVANCE, null, "state.gaugedischarge.init"); } public GaugeDischargeFacet( int index, String name, String description, ComputeType type, String stateID, String hash ) { super(index, name, description, type, hash, stateID); } @Override public Facet deepCopy() { GaugeDischargeFacet copy = new GaugeDischargeFacet(); copy.set(this); copy.type = type; copy.hash = hash; copy.stateId = stateId; return copy; } /** * @return wqkms corresponding to gauge of artifact and index of facet. */ @Override public Object getData(Artifact artifact, CallContext context) { if (logger.isDebugEnabled()) { logger.debug("Get data for discharge curves at index: " + index + " / stateId: " + stateId); } if (stateId == null) { logger.error("GaugeDischargeFacet.getData: stateId is null."); } D4EArtifact flys = (D4EArtifact) artifact; CalculationResult res = (CalculationResult) flys.compute(context, hash, stateId, type, true); WQKms[] discharge = (WQKms[]) res.getData(); return discharge[index]; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :