Mercurial > dive4elements > river
comparison flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/WstFactory.java @ 318:8a4360ccbe1c
Added a WstFactory to return Wst objects.
flys-artifacts/trunk@1706 c6561f87-3c4e-4783-a992-168aeb5c3f6f
| author | Ingo Weinzierl <ingo.weinzierl@intevation.de> |
|---|---|
| date | Fri, 15 Apr 2011 13:46:22 +0000 |
| parents | |
| children | 02ca2ff96dee |
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| 317:8f40a57229c3 | 318:8a4360ccbe1c |
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| 1 package de.intevation.flys.artifacts.model; | |
| 2 | |
| 3 import java.util.List; | |
| 4 | |
| 5 import de.intevation.flys.backend.SessionHolder; | |
| 6 import de.intevation.flys.model.River; | |
| 7 import de.intevation.flys.model.Wst; | |
| 8 | |
| 9 import org.hibernate.Query; | |
| 10 import org.hibernate.Session; | |
| 11 | |
| 12 /** | |
| 13 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> | |
| 14 */ | |
| 15 public class WstFactory { | |
| 16 | |
| 17 /** We don't need to instantiate concrete objects of this class. */ | |
| 18 private WstFactory() { | |
| 19 } | |
| 20 | |
| 21 | |
| 22 /** | |
| 23 * Returns the Wst object for a given river. | |
| 24 * | |
| 25 * @param river The river. | |
| 26 * | |
| 27 * @return the Wst of <i>river</i>. | |
| 28 */ | |
| 29 public static Wst getWst(River river) { | |
| 30 Session session = SessionHolder.HOLDER.get(); | |
| 31 | |
| 32 Query query = session.createQuery( | |
| 33 "from Wst where river=:river"); | |
| 34 query.setParameter("river", river); | |
| 35 | |
| 36 List<Wst> wst = query.list(); | |
| 37 | |
| 38 return (wst != null && wst.size() > 0) ? wst.get(0) : null; | |
| 39 } | |
| 40 } | |
| 41 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 : |