Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/FixingsOverviewFactory.java @ 4241:49cb65d5932d
Improved the historical discharge calculation.
The calculation now creates new HistoricalWQKms (new subclass of WQKms). Those WQKms are used
to create new facets from (new) type 'HistoricalDischargeCurveFacet'. The chart generator is
improved to support those facets.
author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
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date | Wed, 24 Oct 2012 14:34:35 +0200 |
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 :