Mercurial > dive4elements > river
annotate backend/src/main/java/org/dive4elements/river/importer/ImportOfficialLine.java @ 6344:bc28de00e423
Backend: Added importer model for official lines.
author | Sascha L. Teichmann <teichmann@intevation.de> |
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date | Fri, 14 Jun 2013 17:56:52 +0200 |
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children | 75c483450c96 |
rev | line source |
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Backend: Added importer model for official lines.
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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.importer; |
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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.model.NamedMainValue; |
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14 import org.dive4elements.river.model.OfficialLine; |
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15 import org.dive4elements.river.model.River; |
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16 import org.dive4elements.river.model.WstColumn; |
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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 public class ImportOfficialLine |
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21 { |
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22 protected String name; |
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23 protected ImportWstColumn wstColumn; |
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24 |
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25 protected OfficialLine peer; |
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26 |
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27 public ImportOfficialLine() { |
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28 } |
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29 |
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30 public ImportOfficialLine(String name, ImportWstColumn wstColumn) { |
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31 this.name = name; |
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32 this.wstColumn = wstColumn; |
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33 } |
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34 |
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35 public OfficialLine getPeer(River river) { |
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36 if (peer == null) { |
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37 // XXX: This is a bit odd. We do not have not enough infos here |
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38 // to create a new NamedMainValue. So we just look for existing ones. |
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39 Session session = ImporterSession.getInstance().getDatabaseSession(); |
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40 NamedMainValue nmv = NamedMainValue.fetchByName(name, session); |
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41 if (nmv == null) { |
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42 // failed -> failed to create OfficialLine |
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43 return null; |
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44 } |
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45 WstColumn wc = wstColumn.getPeer(river); |
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46 Query query = session.createQuery( |
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47 "from OfficialLine " + |
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48 "where namedMainValue = :nmv and wstColumn = :wc"); |
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49 query.setParameter("nmv", nmv); |
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50 query.setParameter("wc", wc); |
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51 List<OfficialLine> lines = query.list(); |
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52 if (lines.isEmpty()) { |
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53 peer = new OfficialLine(wc, nmv); |
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54 session.save(peer); |
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55 } |
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56 else { |
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57 peer = lines.get(0); |
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58 } |
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59 |
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60 } |
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61 return peer; |
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62 } |
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63 } |
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64 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |
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65 |