Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/model/WQDay.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 | 8b614d152a79 |
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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.TIntArrayList; /** * This class represents a pool of data triples that consists of 'W', 'Q' and * 'Day' data. * * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> */ public class WQDay extends WQ { protected TIntArrayList days; public WQDay() { super(""); days = new TIntArrayList(); } public WQDay(int capacity) { super(capacity); days = new TIntArrayList(capacity); } public WQDay(int [] days, double [] ws, double [] qs) { super(qs, ws, ""); this.days = new TIntArrayList(days); } public void add(int day, double w, double q) { super.add(w, q); days.add(day); } public boolean isIncreasing() { int lo = getDay(0); int hi = getDay(size()-1); return lo < hi; } public int getDay(int idx) { return days.getQuick(idx); } @Override public void removeNaNs() { int dest = 0; int N = ws.size(); for (int i = 0; i < N; ++i) { double wi = ws.getQuick(i); double qi = qs.getQuick(i); if (Double.isNaN(wi) || Double.isNaN(qi)) { continue; } days.setQuick(dest, days.getQuick(i)); ws.setQuick(dest, wi); qs.setQuick(dest, qi); ++dest; } if (dest < N) { days.remove(dest, N-dest); ws .remove(dest, N-dest); qs .remove(dest, N-dest); } } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :