Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/WstFactory.java @ 1839:c3b44da22a3a
Minor refactoring in preparation of generation of interpolators (WstValueTable) for static WQKms.
flys-artifacts/trunk@3175 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
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date | Mon, 07 Nov 2011 12:37:41 +0000 |
parents | 02ca2ff96dee |
children |
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package de.intevation.flys.artifacts.model; import java.util.List; import de.intevation.flys.backend.SessionHolder; import de.intevation.flys.model.River; import de.intevation.flys.model.Wst; import org.hibernate.Query; import org.hibernate.Session; /** * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> */ public class WstFactory { public static final int DEFAULT_KIND = 0; /** We don't need to instantiate concrete objects of this class. */ private WstFactory() { } /** * Returns the Wst object for a given river. * * @param river The river. * * @return the Wst of <i>river</i>. */ public static Wst getWst(River river) { return getWst(river, DEFAULT_KIND); } public static Wst getWst(River river, int kind) { Session session = SessionHolder.HOLDER.get(); Query query = session.createQuery( "from Wst where river=:river and kind = :kind"); query.setParameter("river", river); query.setInteger("kind", kind); List<Wst> wsts = query.list(); return wsts.isEmpty() ? null : wsts.get(0); } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :