Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/model/Calculation3.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; public class Calculation3 extends Calculation { private static Logger logger = Logger.getLogger(Calculation3.class); protected double km; protected int [] days; protected double [] qs; public Calculation3() { } public Calculation3(double km, int [] days, double [] qs) { this.km = km; this.days = days; this.qs = qs; } public CalculationResult calculate(WstValueTable wst) { double [] ws = wst.interpolateW(km, qs, new double[qs.length], this); if (days == null || days.length == 0) { addProblem(km, "cannot.find.ds"); } if (logger.isDebugEnabled()) { logger.debug("Calculate duration curve data:"); logger.debug(" km : " + km); logger.debug(" num Days : " + (days != null ? days.length : 0)); logger.debug(" num Qs : " + (qs != null ? qs.length : 0)); logger.debug(" result Ws: " + (ws != null ? ws.length : 0)); } WQDay wqday = new WQDay(days, ws, qs); if (hasProblems()) { logger.debug("calculation caused "+numProblems()+" problem(s)."); wqday.removeNaNs(); } return new CalculationResult(wqday, this); } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :