Mercurial > dive4elements > river

annotate artifacts/src/main/java/org/dive4elements/river/artifacts/model/RiverFactory.java @ 5863:4897a58c8746

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River artifacts: Added new copyright headers.
author Sascha L. Teichmann <teichmann@intevation.de>
date Sun, 28 Apr 2013 14:40:59 +0200
parents 5aa05a7a34b7
children af13ceeba52a
rev   line source
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4897a58c8746 River artifacts: Added new copyright headers.
Sascha L. Teichmann <teichmann@intevation.de>
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1 /* Copyright (C) 2011, 2012, 2013 by Bundesanstalt für Gewässerkunde
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2 * Software engineering by Intevation GmbH
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3 *
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4 * This file is Free Software under the GNU AGPL (>=v3)
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5 * and comes with ABSOLUTELY NO WARRANTY! Check out the
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6 * documentation coming with Dive4Elements River for details.
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7 */
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8
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9 package org.dive4elements.river.artifacts.model;
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10
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11 import java.util.List;
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12
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13 import org.dive4elements.river.backend.SessionHolder;
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14 import org.dive4elements.river.model.River;
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16 import org.hibernate.Query;
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17 import org.hibernate.Session;
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18
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19 /**
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20 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a>
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21 */
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22 public class RiverFactory {
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23
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24 /** We don't need to instantiate concrete objects of this class. */
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25 private RiverFactory() {
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26 }
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27
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28
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29 /**
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30 * Returns all rivers that were found in the backend.
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31 *
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32 * @return all rivers.
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33 */
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34 public static List<River> getRivers() {
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35 Session session = SessionHolder.HOLDER.get();
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36
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37 return session.createQuery("from River order by name").list();
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38 }
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39
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40
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41 /**
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42 * Returns a River object fetched from database based on its id.
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43 *
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44 * @param river_id The id of the desired river.
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45 *
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46 * @return the river.
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47 */
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48 public static River getRiver(int river_id) {
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49 Session session = SessionHolder.HOLDER.get();
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51 Query query = session.createQuery("from River where id=:river_id");
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52 query.setParameter("river_id", river_id);
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54 List<River> rivers = query.list();
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55
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56 return rivers.isEmpty() ? null : rivers.get(0);
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57 }
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60 /**
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61 * Returns a River object fetched from database based on its name.
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62 *
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63 * @param river The name of a river.
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64 *
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65 * @return the River object.
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66 */
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67 public static River getRiver(String river) {
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68 Session session = SessionHolder.HOLDER.get();
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69
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70 Query query = session.createQuery(
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71 "from River where name =:name");
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72 query.setParameter("name", river);
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73
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74 List<River> rivers = query.list();
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75
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76 return rivers.isEmpty() ? null : rivers.get(0);
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77 }
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78 }
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79 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org