Mercurial > dive4elements > river
annotate artifacts/src/main/java/org/dive4elements/river/artifacts/model/WstFactory.java @ 8704:93a31cfb18c0
(issue1787) Sort WQ data locally over Q bevor lookup of Qs for given W.
author | Tom Gottfried <tom@intevation.de> |
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date | Thu, 23 Apr 2015 19:13:33 +0200 |
parents | af13ceeba52a |
children | 708f210ff242 |
rev | line source |
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River artifacts: Added new copyright headers.
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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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15 import org.dive4elements.river.model.Wst; |
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16 |
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17 import org.hibernate.Query; |
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18 import org.hibernate.Session; |
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19 |
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20 /** |
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21 * @author <a href="mailto:ingo.weinzierl@intevation.de">Ingo Weinzierl</a> |
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22 */ |
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23 public class WstFactory { |
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24 |
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25 public static final int DEFAULT_KIND = 0; |
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26 |
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27 /** We don't need to instantiate concrete objects of this class. */ |
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28 private WstFactory() { |
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29 } |
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30 |
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31 |
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32 /** |
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33 * Returns the Wst object for a given river. |
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34 * |
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35 * @param river The river. |
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36 * |
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37 * @return the Wst of <i>river</i>. |
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38 */ |
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39 public static Wst getWst(River river) { |
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40 return getWst(river, DEFAULT_KIND); |
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41 } |
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42 |
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43 public static Wst getWst(River river, int kind) { |
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44 Session session = SessionHolder.HOLDER.get(); |
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45 |
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46 Query query = session.createQuery( |
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47 "from Wst where river=:river and kind = :kind"); |
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48 query.setParameter("river", river); |
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49 query.setInteger("kind", kind); |
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50 |
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51 List<Wst> wsts = query.list(); |
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52 |
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53 return wsts.isEmpty() ? null : wsts.get(0); |
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54 } |
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55 } |
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56 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf-8 : |