ingo@318: package de.intevation.flys.artifacts.model;
ingo@318:
ingo@318: import java.util.List;
ingo@318:
ingo@318: import de.intevation.flys.backend.SessionHolder;
ingo@318: import de.intevation.flys.model.River;
ingo@318: import de.intevation.flys.model.Wst;
ingo@318:
ingo@318: import org.hibernate.Query;
ingo@318: import org.hibernate.Session;
ingo@318:
ingo@318: /**
ingo@318: * @author Ingo Weinzierl
ingo@318: */
ingo@318: public class WstFactory {
ingo@318:
ingo@318: /** We don't need to instantiate concrete objects of this class. */
ingo@318: private WstFactory() {
ingo@318: }
ingo@318:
ingo@318:
ingo@318: /**
ingo@318: * Returns the Wst object for a given river.
ingo@318: *
ingo@318: * @param river The river.
ingo@318: *
ingo@318: * @return the Wst of river.
ingo@318: */
ingo@318: public static Wst getWst(River river) {
ingo@318: Session session = SessionHolder.HOLDER.get();
ingo@318:
ingo@318: Query query = session.createQuery(
ingo@318: "from Wst where river=:river");
ingo@318: query.setParameter("river", river);
ingo@318:
ingo@318: List wst = query.list();
ingo@318:
ingo@318: return (wst != null && wst.size() > 0) ? wst.get(0) : null;
ingo@318: }
ingo@318: }
ingo@318: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :