Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/model/DifferenceCurveFacet.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.artifactdatabase.state.Facet; import org.dive4elements.artifacts.Artifact; import org.dive4elements.artifacts.CallContext; import org.dive4elements.river.artifacts.WINFOArtifact; import org.dive4elements.river.artifacts.states.DefaultState.ComputeType; /** * Facet with the curve of a subtraction of two waterlevel-lines. * TODO inherit directly from DataFacet? Check whether this Facet is obsolete. */ public class DifferenceCurveFacet extends WaterlevelFacet { private static Logger logger = Logger.getLogger(DifferenceCurveFacet.class); public DifferenceCurveFacet() { } public DifferenceCurveFacet( int index, String name, String description, ComputeType type, String stateID, String hash ) { super(index, name, description, type, stateID, hash); } /** * Get difference curve data. * @return a WKms at given index. */ @Override public Object getData(Artifact artifact, CallContext context) { WINFOArtifact winfo = (WINFOArtifact)artifact; CalculationResult res = (CalculationResult) winfo.compute(context, hash, stateId, type, false); WKms [] wkms = (WKms [])res.getData(); WKms result = wkms[index]; logger.debug("Got difference curve data (" + result.getName() + ") at index: " + index); return result; } /** Copy deeply. */ @Override public Facet deepCopy() { WaterlevelFacet copy = new DifferenceCurveFacet(); copy.set(this); copy.type = type; copy.stateId = stateId; copy.hash = hash; return copy; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :