Mercurial > dive4elements > river

annotate backend/src/main/java/org/dive4elements/river/importer/ImportFlowVelocityMeasurementValue.java @ 7162:4683bdf77ff9

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Handle flow velocity measurements in the FlowVelocity processor
author Andre Heinecke <aheinecke@intevation.de>
date Thu, 26 Sep 2013 10:38:21 +0200
parents 4c3ccf2b0304
children 5e38e2924c07
rev   line source
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Sascha L. Teichmann <teichmann@intevation.de>
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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.Date;
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14 import java.util.List;
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15
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16 import org.apache.log4j.Logger;
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17
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18 import org.hibernate.Session;
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19 import org.hibernate.Query;
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20
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21 import org.dive4elements.river.model.FlowVelocityMeasurement;
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22 import org.dive4elements.river.model.FlowVelocityMeasurementValue;
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23
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24
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25 public class ImportFlowVelocityMeasurementValue {
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26
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27 private static final Logger log =
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28 Logger.getLogger(ImportFlowVelocityMeasurementValue.class);
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29
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30
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31 private Date datetime;
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32
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33 private String description;
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34
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35 private BigDecimal station;
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36 private BigDecimal w;
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37 private BigDecimal q;
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38 private BigDecimal v;
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39
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40 private FlowVelocityMeasurementValue peer;
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41
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42
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43 public ImportFlowVelocityMeasurementValue(
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44 Date datetime,
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45 BigDecimal station,
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46 BigDecimal w,
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47 BigDecimal q,
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48 BigDecimal v,
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49 String description
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50 ) {
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51 this.datetime = datetime;
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52 this.station = station;
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53 this.w = w;
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54 this.q = q;
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55 this.v = v;
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56 this.description = description;
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57 }
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58
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59
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60
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61 public void storeDependencies(FlowVelocityMeasurement measurement) {
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62 log.debug("store dependencies");
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63
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64 getPeer(measurement);
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65 }
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66
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67
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68 public FlowVelocityMeasurementValue getPeer(FlowVelocityMeasurement m) {
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69 if (peer == null) {
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70 Session session = ImporterSession.getInstance().getDatabaseSession();
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71
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72 Query query = session.createQuery(
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73 "from FlowVelocityMeasurementValue where " +
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74 " measurement=:measurement and " +
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75 " station=:station and " +
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76 " datetime=:datetime"
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77 );
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78
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79 query.setParameter("measurement", m);
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80 query.setParameter("station", station);
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81 query.setParameter("datetime", datetime);
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82
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83 List<FlowVelocityMeasurementValue> values = query.list();
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84
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85 if (values.isEmpty()) {
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86 peer = new FlowVelocityMeasurementValue(
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87 m,
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88 datetime,
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89 station,
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90 w,
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91 q,
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92 v,
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93 description);
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94
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95 session.save(peer);
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96 }
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97 else {
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98 peer = values.get(0);
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99 }
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100 }
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101
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102 return peer;
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103 }
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104 }
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105 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org