Mercurial > dive4elements > river
diff flys-artifacts/src/main/java/org/dive4elements/river/artifacts/model/WstFactory.java @ 5831:bd047b71ab37
Repaired internal references
author | Sascha L. Teichmann <teichmann@intevation.de> |
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date | Thu, 25 Apr 2013 12:06:39 +0200 |
parents | flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/WstFactory.java@02ca2ff96dee |
children |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/flys-artifacts/src/main/java/org/dive4elements/river/artifacts/model/WstFactory.java Thu Apr 25 12:06:39 2013 +0200 @@ -0,0 +1,48 @@ +package org.dive4elements.river.artifacts.model; + +import java.util.List; + +import org.dive4elements.river.backend.SessionHolder; +import org.dive4elements.river.model.River; +import org.dive4elements.river.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 :