Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/model/RiverFactory.java @ 5838:5aa05a7a34b7

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Rename modules to more fitting names.
author Sascha L. Teichmann <teichmann@intevation.de>
date Thu, 25 Apr 2013 15:23:37 +0200
parents flys-artifacts/src/main/java/org/dive4elements/river/artifacts/model/RiverFactory.java@bd047b71ab37
children 4897a58c8746
rev   line source
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1 package org.dive4elements.river.artifacts.model;
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3 import java.util.List;
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4
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5 import org.dive4elements.river.backend.SessionHolder;
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6 import org.dive4elements.river.model.River;
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8 import org.hibernate.Query;
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9 import org.hibernate.Session;
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11 /**
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12 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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13 */
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14 public class RiverFactory {
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16 /** We don't need to instantiate concrete objects of this class. */
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17 private RiverFactory() {
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18 }
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19
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21 /**
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22 * Returns all rivers that were found in the backend.
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23 *
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24 * @return all rivers.
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25 */
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26 public static List<River> getRivers() {
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27 Session session = SessionHolder.HOLDER.get();
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28
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29 return session.createQuery("from River order by name").list();
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30 }
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33 /**
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34 * Returns a River object fetched from database based on its id.
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35 *
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36 * @param river_id The id of the desired river.
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37 *
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38 * @return the river.
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39 */
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40 public static River getRiver(int river_id) {
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41 Session session = SessionHolder.HOLDER.get();
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43 Query query = session.createQuery("from River where id=:river_id");
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44 query.setParameter("river_id", river_id);
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46 List<River> rivers = query.list();
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47
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48 return rivers.isEmpty() ? null : rivers.get(0);
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49 }
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52 /**
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53 * Returns a River object fetched from database based on its name.
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54 *
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55 * @param river The name of a river.
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56 *
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57 * @return the River object.
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58 */
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59 public static River getRiver(String river) {
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60 Session session = SessionHolder.HOLDER.get();
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61
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62 Query query = session.createQuery(
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63 "from River where name =:name");
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64 query.setParameter("name", river);
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66 List<River> rivers = query.list();
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67
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68 return rivers.isEmpty() ? null : rivers.get(0);
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69 }
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70 }
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71 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org