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annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/WstFactory.java @ 318:8a4360ccbe1c

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