Mercurial > dive4elements > river

annotate flys-backend/src/main/java/de/intevation/flys/importer/ImportSedimentYield.java @ 2839:163c037f2c7e

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Added config option to skip parsing sediment yield data and prepared the importer to read/store those data. flys-backend/trunk@4272 c6561f87-3c4e-4783-a992-168aeb5c3f6f
author Ingo Weinzierl <ingo.weinzierl@intevation.de>
date Thu, 19 Apr 2012 07:34:50 +0000
parents 75446c47ef77
children 71175502d868
rev   line source
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75446c47ef77 Added new importer classes for importing sediment yield 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.GrainFraction;
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14 import de.intevation.flys.model.River;
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15 import de.intevation.flys.model.SedimentYield;
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16 import de.intevation.flys.model.TimeInterval;
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17 import de.intevation.flys.model.Unit;
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18
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19
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20 public class ImportSedimentYield {
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21
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22 private static Logger log = Logger.getLogger(ImportSedimentYield.class);
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23
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24 private ImportGrainFraction grainFraction;
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25
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26 private ImportUnit unit;
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27
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28 private ImportTimeInterval timeInterval;
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29
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30 private List<ImportSedimentYieldValue> values;
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31
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32 private SedimentYield peer;
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33
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34
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35 public ImportSedimentYield() {
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36 this.values = new ArrayList<ImportSedimentYieldValue>();
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37 }
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38
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39
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40 public void setTimeInterval(ImportTimeInterval timeInterval) {
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41 this.timeInterval = timeInterval;
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42 }
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43
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44
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45 public void setUnit(ImportUnit unit) {
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46 this.unit = unit;
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47 }
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48
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49
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50 public void setGrainFraction(ImportGrainFraction grainFraction) {
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51 this.grainFraction = grainFraction;
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52 }
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53
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54
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55 public void addValue(ImportSedimentYieldValue value) {
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56 this.values.add(value);
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57 }
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58
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59
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60 public void storeDependencies(River river)
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61 throws SQLException, ConstraintViolationException
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62 {
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63 log.debug("store dependencies");
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64
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65 if (grainFraction != null) {
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66 grainFraction.storeDependencies();
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67 }
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68
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69 SedimentYield peer = getPeer(river);
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70
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71 int i = 0;
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72
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73 for (ImportSedimentYieldValue value: values) {
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74 value.storeDependencies(peer);
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75 i++;
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76 }
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77
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78 log.info("stored " + i + " sediment yield values.");
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79 }
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80
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81
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82 public SedimentYield getPeer(River river) {
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83 log.debug("get peer");
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84
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85 GrainFraction gf = grainFraction != null
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86 ? grainFraction.getPeer()
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87 : null;
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88
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89 Unit u = unit != null ? unit.getPeer() : null;
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90
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91 TimeInterval ti = timeInterval != null ? timeInterval.getPeer() : null;
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92
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93 if (ti == null || u == null) {
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94 log.warn("Skip invalid SedimentYield: time interval or unit null!");
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95 return null;
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96 }
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97
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98 if (peer == null) {
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99 Session session = ImporterSession.getInstance().getDatabaseSession();
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100 Query query = session.createQuery(
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101 "from SedimentYield where " +
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102 " river=:river and " +
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103 " grainFraction=:grainFraction and " +
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104 " unit=:unit and " +
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105 " timeInterval=:timeInterval"
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106 );
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107
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108 query.setParameter("river", river);
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109 query.setParameter("grainFraction", gf);
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110 query.setParameter("unit", u);
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111 query.setParameter("timeInterval", ti);
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112
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113 List<SedimentYield> yields = query.list();
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114 if (yields.isEmpty()) {
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115 log.debug("create new SedimentYield");
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116
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117 peer = new SedimentYield(river, u, ti, gf);
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118 session.save(peer);
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119 }
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120 else {
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121 peer = yields.get(0);
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122 }
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123 }
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124
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125 return peer;
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126 }
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127 }
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128 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org