Mercurial > dive4elements > river

annotate backend/src/main/java/org/dive4elements/river/importer/ImportFlowVelocityMeasurement.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 0a5239a1e46e
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.util.ArrayList;
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12 import java.util.List;
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13
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14 import org.apache.log4j.Logger;
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15
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16 import org.hibernate.Session;
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17 import org.hibernate.Query;
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18
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19 import org.dive4elements.river.model.FlowVelocityMeasurement;
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20 import org.dive4elements.river.model.River;
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21
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22
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23 public class ImportFlowVelocityMeasurement {
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24
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25 private static final Logger log = Logger
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26 .getLogger(ImportFlowVelocityMeasurement.class);
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27
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28 private String description;
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29
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30 private List<ImportFlowVelocityMeasurementValue> values;
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31
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32 private FlowVelocityMeasurement peer;
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33
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34 public ImportFlowVelocityMeasurement() {
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35 this(null);
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36 }
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37
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38 public ImportFlowVelocityMeasurement(String description) {
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39 this.description = description;
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40 this.values = new ArrayList<ImportFlowVelocityMeasurementValue>();
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41 }
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42
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43 public void setDescription(String description) {
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44 this.description = description;
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45 }
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46
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47 public void addValue(ImportFlowVelocityMeasurementValue value) {
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48 this.values.add(value);
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49 }
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50
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51 public void storeDependencies(River river) {
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52 log.debug("store dependencies");
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53
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54 FlowVelocityMeasurement peer = getPeer(river);
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55
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56 if (peer != null) {
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57 for (ImportFlowVelocityMeasurementValue value : values) {
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58 value.storeDependencies(peer);
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59 }
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60 }
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61 }
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62
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63 public FlowVelocityMeasurement getPeer(River river) {
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64 if (peer == null) {
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65 Session session = ImporterSession.getInstance()
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66 .getDatabaseSession();
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67
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68 Query query = session
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69 .createQuery("from FlowVelocityMeasurement where "
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70 + " river=:river and " + " description=:description");
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71
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72 query.setParameter("river", river);
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73 query.setParameter("description", description);
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74
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75 List<FlowVelocityMeasurement> measurement = query.list();
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76
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77 if (measurement.isEmpty()) {
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78 peer = new FlowVelocityMeasurement(river, description);
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79
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80 session.save(peer);
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81 }
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82 else {
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83 peer = measurement.get(0);
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84 }
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85 }
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86
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87 return peer;
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88 }
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89 }
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90 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org