Mercurial > dive4elements > river

annotate backend/src/main/java/org/dive4elements/river/importer/ImportMorphWidthValue.java @ 6955:94cb1845c667

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(issue1452) Coalesce to zero to avoid NaN arithmetic.
author Andre Heinecke <aheinecke@intevation.de>
date Fri, 30 Aug 2013 15:45:14 +0200
parents 4c3ccf2b0304
children 5e38e2924c07
rev   line source
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Sascha L. Teichmann <teichmann@intevation.de>
parents: 5838
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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.math.BigDecimal;
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12
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13 import java.util.List;
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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.MorphologicalWidth;
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21 import org.dive4elements.river.model.MorphologicalWidthValue;
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23
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24 public class ImportMorphWidthValue {
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25
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26 private static Logger log = Logger.getLogger(ImportMorphWidthValue.class);
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28
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29 protected MorphologicalWidthValue peer;
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30
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31 protected BigDecimal station;
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32 protected BigDecimal width;
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33
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34 protected String description;
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35
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36
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37 public ImportMorphWidthValue(
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38 BigDecimal station,
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39 BigDecimal width,
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40 String description
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41 ) {
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42 this.station = station;
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43 this.width = width;
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44 this.description = description;
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45 }
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47
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48 public void storeDependencies(MorphologicalWidth parent) {
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49 getPeer(parent);
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50 }
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52
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53 public MorphologicalWidthValue getPeer(MorphologicalWidth parent) {
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54 if (peer == null) {
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55 Session session = ImporterSession.getInstance().getDatabaseSession();
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56
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57 Query query = session.createQuery(
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58 "from MorphologicalWidthValue where " +
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59 " morphologicalWidth=:morphologicalWidth and " +
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60 " station=:station and " +
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61 " width=:width and " +
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62 " description=:description");
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63
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64 query.setParameter("morphologicalWidth", parent);
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65 query.setParameter("station", station);
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66 query.setParameter("width", width);
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67 query.setParameter("description", description);
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68
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69 List<MorphologicalWidthValue> values = query.list();
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70
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71 if (values.isEmpty()) {
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72 peer = new MorphologicalWidthValue(
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73 parent,
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74 station,
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75 width,
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76 description
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77 );
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78
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79 session.save(peer);
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80 }
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81 else {
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82 peer = values.get(0);
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83 }
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84 }
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85
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86 return peer;
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87 }
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88 }
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89 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org