Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/model/FastCrossSectionLineFactory.java @ 7357:9d3e44ab25f2
Refactoring: Move functionality of BedHeightAccess into BedHeightFacet for now.
Idea is that Artifact and Access are lightweight. Access access the 'data'
('parameterization') attached to artifact, not the data delivered by means of
artifact and its parameterization.
author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
---|---|
date | Wed, 16 Oct 2013 10:42:45 +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 :