Mercurial > dive4elements > river

annotate flys-backend/src/main/java/de/intevation/flys/importer/ImportFlowVelocityModel.java @ 2828:ac13e466a55e

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Added a parser for flow velocity model data and adjusted the db relation schema (missing q column). flys-backend/trunk@4245 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Tue, 17 Apr 2012 09:37:52 +0000
parents 85b25e74594f
children ac5bd90697c1
rev   line source
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85b25e74594f Added temp classes used during the import process of flow velocity data.
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1 package de.intevation.flys.importer;
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2
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3 import java.sql.SQLException;
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4 import java.util.ArrayList;
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5 import java.util.List;
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6
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7 import org.apache.log4j.Logger;
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8
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9 import org.hibernate.Session;
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10 import org.hibernate.Query;
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11 import org.hibernate.exception.ConstraintViolationException;
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12
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13 import de.intevation.flys.model.DischargeZone;
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14 import de.intevation.flys.model.FlowVelocityModel;
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15 import de.intevation.flys.model.River;
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16
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17
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18 public class ImportFlowVelocityModel {
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19
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20 private static final Logger log =
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21 Logger.getLogger(ImportFlowVelocityModel.class);
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22
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23
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24 private String description;
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25
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26 private ImportDischargeZone dischargeZone;
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27
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28 private List<ImportFlowVelocityModelValue> values;
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29
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30 private FlowVelocityModel peer;
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31
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32
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33 public ImportFlowVelocityModel() {
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34 values = new ArrayList<ImportFlowVelocityModelValue>();
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35 }
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36
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37
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38 public ImportFlowVelocityModel(
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39 ImportDischargeZone dischargeZone,
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40 String description
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41 ) {
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42 this();
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43
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44 this.dischargeZone = dischargeZone;
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45 this.description = description;
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46 }
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47
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48
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49 public void setDischargeZone(ImportDischargeZone dischargeZone) {
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50 this.dischargeZone = dischargeZone;
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51 }
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52
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53
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54 public void setDescription(String description) {
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55 this.description = description;
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56 }
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57
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58
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59 public void addValue(ImportFlowVelocityModelValue value) {
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60 this.values.add(value);
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61 }
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62
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63
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64 public void storeDependencies(River river)
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65 throws SQLException, ConstraintViolationException
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66 {
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67 log.debug("store dependencies");
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68
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69 if (dischargeZone == null) {
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70 log.warn("skip flow velocity model: No discharge zone specified.");
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71 return;
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72 }
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73
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74 dischargeZone.storeDependencies(river);
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75
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76 FlowVelocityModel peer = getPeer(river);
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77
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78 for (ImportFlowVelocityModelValue value: values) {
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79 value.storeDependencies(peer);
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80 }
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81 }
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82
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83
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84 public FlowVelocityModel getPeer(River river) {
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85 if (peer == null) {
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86 Session session = ImporterSession.getInstance().getDatabaseSession();
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87
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88 DischargeZone zone = dischargeZone.getPeer(river);
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89
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90 Query query = session.createQuery(
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91 "from FlowVelocityModel where " +
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92 " river:=river and " +
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93 " dischargeZone=:dischargeZone"
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94 );
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95
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96 query.setParameter("river", river);
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97 query.setParameter("dischargeZone", zone);
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98
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99 List<FlowVelocityModel> model = query.list();
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100
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101 if (model.isEmpty()) {
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102 peer = new FlowVelocityModel(river, zone);
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103 session.save(peer);
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104 }
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105 else {
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106 peer = model.get(0);
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107 }
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108 }
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109
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110 return peer;
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111 }
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112 }
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113 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org