Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/WstFactory.java @ 4242:448cbd8708d5

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Added new classes for the last commit.
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Wed, 24 Oct 2012 14:44:12 +0200
parents 02ca2ff96dee
children
rev   line source
318
8a4360ccbe1c Added a WstFactory to return Wst objects.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
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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
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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 /**
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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 public static final int DEFAULT_KIND = 0;
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18
318
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19 /** We don't need to instantiate concrete objects of this class. */
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20 private WstFactory() {
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21 }
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22
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23
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24 /**
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25 * Returns the Wst object for a given river.
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26 *
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27 * @param river The river.
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28 *
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29 * @return the Wst of <i>river</i>.
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30 */
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31 public static Wst getWst(River river) {
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32 return getWst(river, DEFAULT_KIND);
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33 }
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34
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35 public static Wst getWst(River river, int kind) {
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36 Session session = SessionHolder.HOLDER.get();
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37
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38 Query query = session.createQuery(
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39 "from Wst where river=:river and kind = :kind");
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40 query.setParameter("river", river);
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41 query.setInteger("kind", kind);
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42
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43 List<Wst> wsts = query.list();
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44
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45 return wsts.isEmpty() ? null : wsts.get(0);
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46 }
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47 }
8a4360ccbe1c Added a WstFactory to return Wst objects.
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48 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org