Mercurial > dive4elements > river
annotate backend/src/main/java/org/dive4elements/river/importer/ImportElevationModel.java @ 6481:5910ada51a9f double-precision
Reference only Q main values for official lines
author | Sascha L. Teichmann <teichmann@intevation.de> |
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date | Thu, 27 Jun 2013 18:08:41 +0200 |
parents | 4c3ccf2b0304 |
children | 5e38e2924c07 |
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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.apache.log4j.Logger; |
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14 |
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15 import org.hibernate.Session; |
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16 import org.hibernate.Query; |
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17 |
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18 import org.dive4elements.river.model.ElevationModel; |
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19 |
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20 |
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21 public class ImportElevationModel { |
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22 |
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23 private static final Logger log = |
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24 Logger.getLogger(ImportElevationModel.class); |
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25 |
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26 protected String name; |
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27 |
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28 protected ImportUnit unit; |
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29 |
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30 protected ElevationModel peer; |
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31 |
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32 |
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33 public ImportElevationModel(String name, ImportUnit unit) { |
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34 this.name = name; |
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35 this.unit = unit; |
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36 } |
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37 |
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38 |
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39 public void storeDependencies() { |
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40 ElevationModel model = getPeer(); |
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41 } |
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42 |
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43 public ElevationModel getPeer() { |
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44 if (unit == null) { |
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45 log.warn("No elevation model specified."); |
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46 return null; |
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47 } |
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48 |
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49 if (peer == null) { |
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50 Session session = ImporterSession.getInstance().getDatabaseSession(); |
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51 Query query = session.createQuery( |
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52 "from ElevationModel where " + |
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53 "name=:name and unit=:unit"); |
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54 query.setParameter("name", name); |
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55 query.setParameter("unit", unit.getPeer()); |
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56 List<ElevationModel> models = query.list(); |
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57 |
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58 if (models.isEmpty()) { |
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59 log.info("Create new ElevationModel DB instance."); |
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60 |
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61 peer = new ElevationModel(name, unit.getPeer()); |
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62 session.save(peer); |
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63 } |
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64 else { |
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65 peer = models.get(0); |
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66 } |
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67 } |
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68 |
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69 return peer; |
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70 } |
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71 } |
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72 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |