Mercurial > dive4elements > river
view artifacts/src/main/java/org/dive4elements/river/artifacts/model/minfo/PorosityFactory.java @ 8587:07c9ac22f611
(issue1755) Generalise BedQuality result handling
The bedquality calculation now produces a result for each time period
which has BedQualityResultValues for each specific result type.
Formally this was split up in density, porosity and diameter classes
with some bedload diameter classes mixed in for extra fun.
The intent of this commit is to allow more shared code and generic
access patterns to the BedQuality results.
author | Andre Heinecke <andre.heinecke@intevation.de> |
---|---|
date | Wed, 18 Mar 2015 18:42:08 +0100 |
parents | e4606eae8ea5 |
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.minfo; import java.util.List; import net.sf.ehcache.Cache; import net.sf.ehcache.Element; import org.apache.log4j.Logger; import org.hibernate.SQLQuery; import org.hibernate.Session; import org.hibernate.type.StandardBasicTypes; import org.dive4elements.river.artifacts.cache.CacheFactory; import org.dive4elements.river.artifacts.model.StaticPorosityCacheKey; import org.dive4elements.river.backend.SessionHolder; public class PorosityFactory { /** Private log to use here. */ private static Logger log = Logger.getLogger(PorosityFactory.class); public static final String SQL_SELECT = "SELECT pv.station AS station, pv.porosity AS porosity " + " FROM porosity p" + " JOIN porosity_values pv on pv.porosity_id = p.id" + " WHERE p.id = :porosity_id" + " ORDER BY station"; private PorosityFactory() { } /** * Get WKms for given column and wst_id, caring about the cache. */ public static Porosity getPorosity(int porosity_id) { log.debug("PorosityFactory.getPorosity"); Cache cache = CacheFactory.getCache(StaticPorosityCacheKey.CACHE_NAME); StaticPorosityCacheKey cacheKey; if (cache != null) { cacheKey = new StaticPorosityCacheKey(porosity_id); Element element = cache.get(cacheKey); if (element != null) { log.debug("Got static porosity values from cache"); return (Porosity)element.getValue(); } } else { cacheKey = null; } Porosity values = getPorosityUncached(porosity_id); if (values != null && cacheKey != null) { log.debug("Store static porosity values in cache."); Element element = new Element(cacheKey, values); cache.put(element); } return values; } private static Porosity getPorosityUncached(int porosity_id) { if (log.isDebugEnabled()) { log.debug("PorosityFactory.getPorosityUncached"); } Session session = SessionHolder.HOLDER.get(); SQLQuery sqlQuery = session.createSQLQuery(SQL_SELECT) .addScalar("station", StandardBasicTypes.DOUBLE) .addScalar("porosity", StandardBasicTypes.DOUBLE); sqlQuery.setInteger("porosity_id", porosity_id); List<Object []> results = sqlQuery.list(); Porosity porosities = new Porosity(); for (Object [] row: results) { log.debug("got station: " + (Double)row[0]); porosities.add( (Double) row[0], (Double) row[1]); } return porosities; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :