Mercurial > dive4elements > river
annotate backend/src/main/java/org/dive4elements/river/importer/ImportBedHeightEpochValue.java @ 6724:0baf7abffcc6
issue1393/ImportRiver: Import official epochs from directory, minor refac.
author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
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date | Wed, 31 Jul 2013 11:13:41 +0200 |
parents | 4c3ccf2b0304 |
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rev | line source |
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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 java.math.BigDecimal; |
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14 |
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15 import org.apache.log4j.Logger; |
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16 |
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17 import org.hibernate.Session; |
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18 import org.hibernate.Query; |
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19 |
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20 import org.dive4elements.river.model.BedHeightEpoch; |
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21 import org.dive4elements.river.model.BedHeightEpochValue; |
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22 |
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23 |
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24 public class ImportBedHeightEpochValue implements ImportBedHeightValue { |
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25 |
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26 private static final Logger log = |
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27 Logger.getLogger(ImportBedHeightEpochValue.class); |
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28 |
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29 |
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30 private BigDecimal station; |
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31 private BigDecimal height; |
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32 |
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33 private BedHeightEpochValue peer; |
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34 |
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35 |
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36 public ImportBedHeightEpochValue() { |
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37 } |
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38 |
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39 |
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40 public ImportBedHeightEpochValue(BigDecimal station, BigDecimal height) { |
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41 this.station = station; |
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42 this.height = height; |
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43 } |
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44 |
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45 |
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46 public void storeDependencies(BedHeightEpoch bedHeight) { |
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47 getPeer(bedHeight); |
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48 } |
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49 |
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50 |
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51 public BedHeightEpochValue getPeer(BedHeightEpoch bedHeight) { |
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52 if (peer == null) { |
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53 Session session = ImporterSession.getInstance().getDatabaseSession(); |
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54 |
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55 Query query = session.createQuery( |
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56 "from BedHeightEpochValue where " + |
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57 " bedHeight=:bedHeight and " + |
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58 " station=:station and " + |
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59 " height=:height"); |
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60 |
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61 query.setParameter("bedHeight", bedHeight); |
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62 query.setParameter("station", station); |
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63 query.setParameter("height", height); |
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64 |
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65 List<BedHeightEpochValue> values = query.list(); |
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66 |
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67 if (values.isEmpty()) { |
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68 peer = new BedHeightEpochValue( |
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69 bedHeight, |
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70 station, |
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71 height |
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72 ); |
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73 session.save(peer); |
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74 } |
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75 else { |
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76 peer = values.get(0); |
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77 } |
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78 } |
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79 |
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80 return peer; |
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81 } |
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82 } |
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83 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |