Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/model/FastCrossSectionLineFactory.java @ 6388:3eff8efb4354
New Facet for sediment load fraction 'unknown'.
author | Raimund Renkert <rrenkert@intevation.de> |
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date | Fri, 21 Jun 2013 15:29:41 +0200 |
parents | af13ceeba52a |
children | 0a5239a1e46e |
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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.dive4elements.river.artifacts.cache.CacheFactory; import org.dive4elements.river.model.CrossSection; import org.dive4elements.river.model.FastCrossSectionLine; import net.sf.ehcache.Cache; import net.sf.ehcache.Element; import java.util.List; import org.apache.log4j.Logger; public class FastCrossSectionLineFactory { private static Logger log = Logger.getLogger(FastCrossSectionLineFactory.class); public static final String CACHE_NAME = "fast-cross-section-lines"; private FastCrossSectionLineFactory() { } public static FastCrossSectionLine getCrossSectionLine( CrossSection cs, double km ) { Cache cache = CacheFactory.getCache(CACHE_NAME); boolean debug = log.isDebugEnabled(); if (cache == null) { if (debug) { log.debug("No cross section chunk cache configured."); } List<FastCrossSectionLine> lines = cs.getFastLines(km, km); return lines.isEmpty() ? null : lines.get(0); } String cacheKey = FastCrossSectionChunk.createHashKey(cs, km); Element element = cache.get(cacheKey); FastCrossSectionChunk fcsc; if (element != null) { if (debug) { log.debug("Found cross section chunk in cache id: " + cs.getId() + " km: " + km); } fcsc = (FastCrossSectionChunk)element.getValue(); } else { if (debug) { log.debug("Not found cross section chunk in cache id: " + cs.getId() + " km: " + km + " -> loading"); } fcsc = new FastCrossSectionChunk(cs, km); element = new Element(cacheKey, fcsc); cache.put(element); } return fcsc.getCrossSectionLine(km); } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :