Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/model/WKmsImpl.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 | 3c4efd4b2c19 |
children | 1cff4c98df76 |
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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 gnu.trove.TDoubleArrayList; import org.dive4elements.river.utils.DataUtil; public class WKmsImpl extends NamedObjectImpl implements WKms { protected TDoubleArrayList kms; protected TDoubleArrayList ws; public WKmsImpl() { super(""); kms = new TDoubleArrayList(); ws = new TDoubleArrayList(); } /** * Create named, empty WKms. */ public WKmsImpl(String name) { super(name); kms = new TDoubleArrayList(); ws = new TDoubleArrayList(); } public WKmsImpl(int capacity) { super(""); kms = new TDoubleArrayList(capacity); ws = new TDoubleArrayList(capacity); } public WKmsImpl(TDoubleArrayList kms, TDoubleArrayList ws) { this(kms, ws, ""); } public WKmsImpl( TDoubleArrayList kms, TDoubleArrayList ws, String name ) { super(name); this.kms = kms; this.ws = ws; } /** * Add a W (in NN+m) for a km (in km). */ public void add(double km, double w) { kms.add(km); ws .add(w); } @Override public double getW(int index) { return ws.getQuick(index); } @Override public double getKm(int index) { return kms.getQuick(index); } @Override public boolean guessWaterIncreasing() { return guessDataIncreasing(0.05f); } protected boolean guessDataIncreasing(float factor) { return DataUtil.guessDataIncreasing(ws, factor); } @Override public boolean guessRTLData() { return DataUtil.guessSameDirectionData(ws, allKms()); } @Override public int size() { return kms.size(); } @Override public TDoubleArrayList allKms() { return kms; } @Override public TDoubleArrayList allWs() { return ws; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :