Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/FixingsOverviewFactory.java @ 3061:49baebb39305
FixA: Add interpolation of parameters that better suits the instantiation real functions.
flys-artifacts/trunk@4641 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Sascha L. Teichmann <sascha.teichmann@intevation.de> |
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date | Tue, 12 Jun 2012 08:11:36 +0000 |
parents | 8bc1e1cb7f7b |
children |
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package de.intevation.flys.artifacts.model; import de.intevation.flys.artifacts.cache.CacheFactory; import de.intevation.flys.backend.SessionHolder; import net.sf.ehcache.Cache; import net.sf.ehcache.Element; import org.apache.log4j.Logger; import org.hibernate.Session; public class FixingsOverviewFactory { private static Logger log = Logger.getLogger(FixingsOverviewFactory.class); public static final String CACHE_NAME = "fixings-overviews"; private FixingsOverviewFactory() { } public static FixingsOverview getOverview(String river) { boolean debug = log.isDebugEnabled(); if (debug) { log.debug( "Looking for fixings overview for river '" + river + "'"); } Cache cache = CacheFactory.getCache(CACHE_NAME); if (cache == null) { if (debug) { log.debug("Cache not configured."); } return getUncached(river); } String key = "fix-over-" + river; Element element = cache.get(key); if (element != null) { if (debug) { log.debug("Overview found in cache"); } return (FixingsOverview)element.getValue(); } FixingsOverview overview = getUncached(river); if (overview != null) { if (debug) { log.debug("Store overview in cache."); } cache.put(new Element(key, overview)); } return overview; } public static FixingsOverview getUncached(String river) { FixingsOverview overview = new FixingsOverview(river); Session session = SessionHolder.HOLDER.get(); return overview.load(session) ? overview : null; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :