Mercurial > dive4elements > river

annotate flys-artifacts/src/main/java/de/intevation/flys/artifacts/model/RiverFactory.java @ 312:0c6328c227f1

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Added a new function to RiverFactory that retrieves a River object based on a given river name. flys-artifacts/trunk@1696 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Thu, 14 Apr 2011 13:26:29 +0000
parents ea3a438a7021
children 94c176fdcb89
rev   line source
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394b9580ceae Added mockup classes for working with rivers.
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1 package de.intevation.flys.artifacts.model;
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2
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3
114
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4 import java.util.List;
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6 import de.intevation.flys.model.River;
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8
0c6328c227f1 Added a new function to RiverFactory that retrieves a River object based on a given river name.
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9 import org.hibernate.Query;
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10 import org.hibernate.Session;
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11
394b9580ceae Added mockup classes for working with rivers.
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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 RiverFactory {
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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 RiverFactory() {
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19 }
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20
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21
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22 /**
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23 * Returns all rivers that were found in the backend.
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24 *
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25 * @return all rivers.
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26 */
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27 public static List<River> getRivers() {
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28 Session session = SessionHolder.HOLDER.get();
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29 return (List<River>)session
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30 .createQuery("from River order by name").list();
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31 }
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32
0c6328c227f1 Added a new function to RiverFactory that retrieves a River object based on a given river name.
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33
0c6328c227f1 Added a new function to RiverFactory that retrieves a River object based on a given river name.
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34 /**
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35 * Returns a River object fetched from database based on its name.
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36 *
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37 * @param river The name of a river.
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38 *
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39 * @return the River object.
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40 */
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41 public static River getRiver(String river) {
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42 Session session = SessionHolder.HOLDER.get();
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43
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44 Query query = session.createQuery(
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45 "from River where name =:name");
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46 query.setParameter("name", river);
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47
0c6328c227f1 Added a new function to RiverFactory that retrieves a River object based on a given river name.
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48 List<River> rivers = query.list();
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49
0c6328c227f1 Added a new function to RiverFactory that retrieves a River object based on a given river name.
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50 return (rivers != null && rivers.size() > 0) ? rivers.get(0) : null;
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51 }
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52 }
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53 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 :
http://dive4elements.wald.intevation.org