Mercurial > dive4elements > river

annotate backend/src/main/java/org/dive4elements/river/importer/ImportFlowVelocityModel.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 392bbcd8a88b 0a5239a1e46e
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.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.DischargeZone;
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20 import org.dive4elements.river.model.FlowVelocityModel;
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21 import org.dive4elements.river.model.River;
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22
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23
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24 public class ImportFlowVelocityModel {
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25
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26 private static final Logger log = Logger
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27 .getLogger(ImportFlowVelocityModel.class);
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28
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29 private String description;
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30
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31 private ImportDischargeZone dischargeZone;
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32
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33 private List<ImportFlowVelocityModelValue> values;
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34
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35 private FlowVelocityModel peer;
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36
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37 public ImportFlowVelocityModel() {
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38 values = new ArrayList<ImportFlowVelocityModelValue>();
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39 }
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40
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41 public ImportFlowVelocityModel(String description) {
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42 this();
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43
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44 this.description = description;
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45 }
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46
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47 public ImportFlowVelocityModel(ImportDischargeZone dischargeZone,
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48 String description) {
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49 this();
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50
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51 this.dischargeZone = dischargeZone;
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52 this.description = description;
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53 }
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54
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55 public void setDischargeZone(ImportDischargeZone dischargeZone) {
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56 this.dischargeZone = dischargeZone;
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57 }
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58
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59 public void setDescription(String description) {
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60 this.description = description;
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61 }
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62
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63 public void addValue(ImportFlowVelocityModelValue value) {
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64 this.values.add(value);
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65 }
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66
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67 public void storeDependencies(River river) {
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68 log.debug("store dependencies");
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69
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70 if (dischargeZone == null) {
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71 log.warn("skip flow velocity model: No discharge zone specified.");
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72 return;
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73 }
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74
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75 dischargeZone.storeDependencies(river);
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76
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77 FlowVelocityModel peer = getPeer(river);
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78
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79 if (peer != null) {
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80 int i = 0;
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81
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82 for (ImportFlowVelocityModelValue value : values) {
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83 value.storeDependencies(peer);
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84 i++;
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85 }
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86
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87 log.info("stored " + i + " flow velocity model values.");
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88 }
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89 }
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90
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91 public FlowVelocityModel getPeer(River river) {
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92 if (peer == null) {
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93 Session session = ImporterSession.getInstance()
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94 .getDatabaseSession();
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95
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96 DischargeZone zone = dischargeZone.getPeer(river);
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97
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98 Query query = session.createQuery("from FlowVelocityModel where "
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99 + " dischargeZone=:dischargeZone");
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100
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101 query.setParameter("dischargeZone", zone);
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102
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103 List<FlowVelocityModel> model = query.list();
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104
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105 if (model.isEmpty()) {
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106 peer = new FlowVelocityModel(zone, description);
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107 session.save(peer);
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108 }
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109 else {
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110 peer = model.get(0);
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111 }
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112 }
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113
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114 return peer;
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115 }
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116 }
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117 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org