Mercurial > dive4elements > river
view flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/WstFactory.java @ 4655:cd44d28d0fbc
Move the access to artifact data to the Access object
Use BedHeightAccess class to receive the data from the artifact. This abstracts
the data access from the actual artifact.
author | Björn Ricks <bjoern.ricks@intevation.de> |
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date | Tue, 11 Dec 2012 09:44:04 +0100 |
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 :