Mercurial > dive4elements > river

annotate backend/src/main/java/org/dive4elements/river/model/MeasurementStation.java @ 8693:851ea37d35f3

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(issue1750) New methods for finding the actual location and companion station of a measurement station.
author Tom Gottfried <tom@intevation.de>
date Mon, 20 Apr 2015 10:21:45 +0200
parents 8fbc0649da13
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.model;
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10
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11 import java.util.Iterator;
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12 import java.util.List;
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13 import java.util.ArrayList;
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14 import java.util.Collections;
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15 import java.util.Comparator;
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16
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17 import javax.persistence.Column;
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18 import javax.persistence.Entity;
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19 import javax.persistence.GeneratedValue;
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20 import javax.persistence.GenerationType;
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21 import javax.persistence.Id;
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22 import javax.persistence.JoinColumn;
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23 import javax.persistence.OneToOne;
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24 import javax.persistence.SequenceGenerator;
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25 import javax.persistence.Table;
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26
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27 import org.hibernate.Session;
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28 import org.hibernate.Query;
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29
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30 import org.dive4elements.river.backend.SessionHolder;
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31
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32 import org.apache.log4j.Logger;
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33
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34 import static org.dive4elements.river.backend.utils.EpsilonComparator.CMP;
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35
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36 @Entity
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37 @Table(name = "measurement_station")
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38 public class MeasurementStation {
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39 private static final Logger log = Logger.getLogger(MeasurementStation.class);
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40
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41 private Integer id;
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42
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43 private String name;
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44 private String measurementType;
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45 private String riverside;
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46 private String operator;
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47 private String comment;
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48
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49 private Range range;
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50
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51 private Gauge gauge;
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52 private String gaugeName;
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53
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54 private TimeInterval observationTimerange;
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55
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56 public static final String MEASUREMENT_TYPE_BEDLOAD = "Geschiebe";
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57 public static final String MEASUREMENT_TYPE_SUSP = "Schwebstoff";
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58
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59 public static final class MeasurementStationComparator
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60 implements Comparator<MeasurementStation> {
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61
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62 public MeasurementStationComparator() {
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63 }
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64
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65 /* Compare MeasurementStations by km and consider MeasurementStations
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66 of type "Geschiebe" as smaller if at same km. */
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67 @Override
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68 public int compare(MeasurementStation m1, MeasurementStation m2)
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69 throws IllegalArgumentException {
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70
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71 if (m1.getRange().getRiver() != m2.getRange().getRiver()) {
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72 throw new IllegalArgumentException(
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73 "Stations not at same river");
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74 }
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75
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76 int cmpStations = CMP.compare(m1.retrieveKm(), m2.retrieveKm());
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77 if (cmpStations == 0) {
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78 if (m1.getMeasurementType().equals(m2.getMeasurementType())) {
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79 throw new IllegalArgumentException(
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80 "Two stations of same type at same km");
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81 }
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82
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83 return m1.getMeasurementType().equals(MEASUREMENT_TYPE_BEDLOAD)
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84 ? -1
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85 : +1;
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86 }
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87 return cmpStations;
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88 }
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89 }
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90
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91 public MeasurementStation() {
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92 }
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93
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94 public MeasurementStation(String name, String measurementType,
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95 String riverside, Range range, Gauge gauge,
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96 String gaugeName, TimeInterval observationTimerange, String operator,
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97 String comment
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98 ) {
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99 this.name = name;
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100 this.measurementType = measurementType;
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101 this.riverside = riverside;
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102 this.range = range;
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103 this.gauge = gauge;
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104 this.gaugeName = gaugeName;
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105 this.observationTimerange = observationTimerange;
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106 this.operator = operator;
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107 this.comment = comment;
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108 }
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109
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110 @Id
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111 @SequenceGenerator(name = "SEQ_MEASUREMENT_STATION_ID_SEQ", sequenceName = "MEASUREMENT_STATION_ID_SEQ", allocationSize = 1)
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112 @GeneratedValue(strategy = GenerationType.SEQUENCE, generator = "SEQ_MEASUREMENT_STATION_ID_SEQ")
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113 @Column(name = "id")
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114 public Integer getId() {
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115 return id;
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116 }
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117
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118 public void setId(Integer id) {
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119 this.id = id;
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120 }
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121
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122 @Column(name = "name")
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123 public String getName() {
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124 return name;
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125 }
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126
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127 public void setName(String name) {
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128 this.name = name;
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129 }
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130
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131 @Column(name = "measurement_type")
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132 public String getMeasurementType() {
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133 return measurementType;
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134 }
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135
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136 public void setMeasurementType(String measurementType) {
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137 this.measurementType = measurementType;
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138 }
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139
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140 @Column(name = "riverside")
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141 public String getRiverside() {
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142 return riverside;
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143 }
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144
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145 public void setRiverside(String riverside) {
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146 this.riverside = riverside;
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147 }
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148
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149 @OneToOne
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150 @JoinColumn(name = "reference_gauge_id")
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151 public Gauge getGauge() {
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152 return gauge;
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153 }
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154
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155 public void setGauge(Gauge gauge) {
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156 this.gauge = gauge;
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157 }
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158
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159 @Column(name = "reference_gauge_name")
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160 public String getGaugeName() {
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161 return gaugeName;
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162 }
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163
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164 public void setGaugeName(String gaugeName) {
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165 this.gaugeName = gaugeName;
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166 }
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167
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168 @OneToOne
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169 @JoinColumn(name = "range_id")
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170 public Range getRange() {
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171 return range;
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172 }
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173
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174 public void setRange(Range range) {
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175 this.range = range;
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176 }
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177
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178 @OneToOne
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179 @JoinColumn(name = "time_interval_id")
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180 public TimeInterval getObservationTimerange() {
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181 return observationTimerange;
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182 }
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183
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184 public void setObservationTimerange(TimeInterval observationTimerange) {
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185 this.observationTimerange = observationTimerange;
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186 }
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187
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188 @Column(name = "operator")
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189 public String getOperator() {
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190 return operator;
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191 }
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192
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193 public void setOperator(String operator) {
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194 this.operator = operator;
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195 }
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196
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197 @Column(name = "commentary")
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198 public String getComment() {
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199 return comment;
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200 }
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201
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202 public void setComment(String comment) {
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203 this.comment = comment;
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204 }
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205
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206 /* Get the actual location of the measurement station at the river */
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207 public double retrieveKm() {
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208 // In case river is km_up, station is at larger value of range
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209 return getRange().getRiver().getKmUp() && getRange().getB() != null
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210 ? getRange().getB().doubleValue()
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211 : getRange().getA().doubleValue();
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212 }
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213
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214 /* Get measurement station of other type at the same location */
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215 public MeasurementStation findCompanionStation() {
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216 River river = getRange().getRiver();
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217 double km = retrieveKm();
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218 List<MeasurementStation> stations = getStationsAtKM(river, km);
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219
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220 for (MeasurementStation station: stations) {
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221 if (!station.getMeasurementType().equals(getMeasurementType())) {
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222 return station;
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223 }
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224 }
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225 log.debug("No additional stations found at km " + km +
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226 " at river " + river);
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227 return null;
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228 }
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229
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230 public static List<MeasurementStation> getStationsAtRiver(River river) {
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231 Session session = SessionHolder.HOLDER.get();
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232
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233 Query query = session.createQuery(
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234 "from MeasurementStation " +
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235 "where range.river = :river");
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236 query.setParameter("river", river);
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237
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238 List<MeasurementStation> result = query.list();
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239 Collections.sort(result, new MeasurementStationComparator());
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240 return result;
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241 }
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242
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243 public static List<MeasurementStation> getStationsAtKM(
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diff changeset
244 River river,
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Tom Gottfried <tom@intevation.de>
parents: 6857
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245 Double river_km
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Tom Gottfried <tom@intevation.de>
parents: 6857
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246 ) {
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parents: 6857
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247 Session session = SessionHolder.HOLDER.get();
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Tom Gottfried <tom@intevation.de>
parents: 6857
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248
17db08570637 SCHEMA CHANGE: removed superfluous columns station and river_id from measurement_stations and adapted other components accordingly.
Tom Gottfried <tom@intevation.de>
parents: 6857
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249 Query query = session.createQuery(
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parents: 6857
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250 "from MeasurementStation where range.river = :river");
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Tom Gottfried <tom@intevation.de>
parents: 6857
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251 query.setParameter("river", river);
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parents: 6857
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252
17db08570637 SCHEMA CHANGE: removed superfluous columns station and river_id from measurement_stations and adapted other components accordingly.
Tom Gottfried <tom@intevation.de>
parents: 6857
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253 List<MeasurementStation> result = new ArrayList<MeasurementStation>();
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Tom Gottfried <tom@intevation.de>
parents: 6857
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254 for (Iterator iter = query.iterate(); iter.hasNext();) {
17db08570637 SCHEMA CHANGE: removed superfluous columns station and river_id from measurement_stations and adapted other components accordingly.
Tom Gottfried <tom@intevation.de>
parents: 6857
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255 MeasurementStation st = (MeasurementStation)iter.next();
8693
851ea37d35f3 (issue1750) New methods for finding the actual location and companion station of a measurement station.
Tom Gottfried <tom@intevation.de>
parents: 8665
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256 if (CMP.compare(st.retrieveKm(), river_km) == 0) {
8412
17db08570637 SCHEMA CHANGE: removed superfluous columns station and river_id from measurement_stations and adapted other components accordingly.
Tom Gottfried <tom@intevation.de>
parents: 6857
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257 result.add(st);
17db08570637 SCHEMA CHANGE: removed superfluous columns station and river_id from measurement_stations and adapted other components accordingly.
Tom Gottfried <tom@intevation.de>
parents: 6857
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258 }
17db08570637 SCHEMA CHANGE: removed superfluous columns station and river_id from measurement_stations and adapted other components accordingly.
Tom Gottfried <tom@intevation.de>
parents: 6857
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259 }
8693
851ea37d35f3 (issue1750) New methods for finding the actual location and companion station of a measurement station.
Tom Gottfried <tom@intevation.de>
parents: 8665
diff changeset
260
851ea37d35f3 (issue1750) New methods for finding the actual location and companion station of a measurement station.
Tom Gottfried <tom@intevation.de>
parents: 8665
diff changeset
261 if (result.size() > 2) {
851ea37d35f3 (issue1750) New methods for finding the actual location and companion station of a measurement station.
Tom Gottfried <tom@intevation.de>
parents: 8665
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262 // TODO: database schema should prevent this
851ea37d35f3 (issue1750) New methods for finding the actual location and companion station of a measurement station.
Tom Gottfried <tom@intevation.de>
parents: 8665
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263 log.warn("More than two measurement stations at km " + river_km +
851ea37d35f3 (issue1750) New methods for finding the actual location and companion station of a measurement station.
Tom Gottfried <tom@intevation.de>
parents: 8665
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264 " at river " + river.getName());
851ea37d35f3 (issue1750) New methods for finding the actual location and companion station of a measurement station.
Tom Gottfried <tom@intevation.de>
parents: 8665
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265 }
851ea37d35f3 (issue1750) New methods for finding the actual location and companion station of a measurement station.
Tom Gottfried <tom@intevation.de>
parents: 8665
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266
8412
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parents: 6857
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267 return result;
17db08570637 SCHEMA CHANGE: removed superfluous columns station and river_id from measurement_stations and adapted other components accordingly.
Tom Gottfried <tom@intevation.de>
parents: 6857
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268 }
4193
f63b39799d2d Adapted DB schema (added relation measurement_station); improved importer to read files from filesystem with measurement stations.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
diff changeset
269 }
http://dive4elements.wald.intevation.org