Mercurial > dive4elements > river
annotate backend/src/main/java/org/dive4elements/river/model/Wst.java @ 9801:1d7a72a50183 3.2.x tip
Assume Compose V2, consistently
author | Tom Gottfried <tom@intevation.de> |
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date | Thu, 23 Nov 2023 10:14:13 +0100 |
parents | 0a5239a1e46e |
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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.io.Serializable; |
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12 import java.math.BigDecimal; |
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13 import java.util.List; |
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14 |
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15 import javax.persistence.Entity; |
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16 import javax.persistence.Id; |
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17 import javax.persistence.Table; |
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18 import javax.persistence.GeneratedValue; |
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19 import javax.persistence.Column; |
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20 import javax.persistence.SequenceGenerator; |
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21 import javax.persistence.GenerationType; |
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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.OneToMany; |
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25 |
9726 | 26 import org.apache.logging.log4j.Logger; |
27 import org.apache.logging.log4j.LogManager; | |
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28 |
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29 import org.hibernate.Session; |
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30 import org.hibernate.SQLQuery; |
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31 import org.hibernate.Query; |
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32 import org.hibernate.type.StandardBasicTypes; |
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33 |
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34 import org.dive4elements.river.backend.SessionHolder; |
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35 |
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36 |
6555 | 37 /** DB-mapped WST. */ |
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38 @Entity |
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39 @Table(name = "wsts") |
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40 public class Wst |
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41 implements Serializable |
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42 { |
9726 | 43 private static Logger log = LogManager.getLogger(Wst.class); |
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44 |
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45 private Integer id; |
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46 private River river; |
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47 private String description; |
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48 private Integer kind; |
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49 |
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50 private List<WstColumn> columns; |
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51 |
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52 |
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53 public static final String SQL_SELECT_MINMAX = |
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54 "select min(q) as minQ, max(q) as maxQ from wst_q_values " + |
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55 "where wst_id = :wst and not (a > :km or b < :km)"; |
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56 |
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57 public Wst() { |
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58 } |
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59 |
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60 public Wst(River river, String description) { |
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61 this(river, description, 0); |
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62 } |
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63 |
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64 public Wst(River river, String description, Integer kind) { |
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65 this.river = river; |
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66 this.description = description; |
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67 this.kind = kind; |
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68 } |
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69 |
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70 @Id |
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71 @SequenceGenerator( |
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72 name = "SEQUENCE_WSTS_ID_SEQ", |
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73 sequenceName = "WSTS_ID_SEQ", |
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74 allocationSize = 1) |
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75 @GeneratedValue( |
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76 strategy = GenerationType.SEQUENCE, |
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77 generator = "SEQUENCE_WSTS_ID_SEQ") |
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78 @Column(name = "id") |
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79 public Integer getId() { |
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80 return id; |
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81 } |
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82 |
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83 public void setId(Integer id) { |
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84 this.id = id; |
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85 } |
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86 |
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87 @OneToOne |
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88 @JoinColumn(name = "river_id" ) |
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89 public River getRiver() { |
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90 return river; |
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91 } |
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92 |
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93 public void setRiver(River river) { |
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94 this.river = river; |
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95 } |
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96 |
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97 @Column(name = "description") |
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98 public String getDescription() { |
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99 return description; |
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100 } |
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101 |
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102 public void setDescription(String description) { |
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103 this.description = description; |
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104 } |
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105 |
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106 @Column(name = "kind") |
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107 public Integer getKind() { |
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108 return kind; |
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109 } |
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110 |
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111 public void setKind(Integer kind) { |
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112 this.kind = kind; |
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113 } |
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114 |
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115 @OneToMany |
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116 @JoinColumn(name="wst_id") |
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117 public List<WstColumn> getColumns() { |
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118 return columns; |
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119 } |
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120 |
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121 public void setColumns(List<WstColumn> columns) { |
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122 this.columns = columns; |
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123 } |
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124 |
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125 |
468
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126 /** |
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127 * Determines the min and max Q values of this WST. The min value is placed |
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128 * in the first field of the resulting array - the max value is placed in |
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129 * the second field. |
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130 * |
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131 * @return the min and max Q values of this WST. |
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132 */ |
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133 public double[] determineMinMaxQ() { |
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134 double[] ab = river.determineMinMaxDistance(); |
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135 return determineMinMaxQ(new Range(ab[0], ab[1], river)); |
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136 } |
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137 |
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138 |
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139 /** |
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140 * Determines the min and max Q values of this WST in the given range. The |
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141 * min value is placed in the first field of the resulting array - the max |
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142 * value is placed in the second field. |
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143 * |
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144 * @param range The range used for querying the Q values. |
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145 * |
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146 * @return the min and max Q values of this WST. |
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147 */ |
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148 public double[] determineMinMaxQ(Range range) { |
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149 if (range != null) { |
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150 return determineMinMaxQ( |
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151 range.getA().doubleValue(), |
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152 range.getB().doubleValue()); |
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153 } |
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154 |
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155 return null; |
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156 } |
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157 |
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158 |
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159 /** |
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160 * Determines the min and max Q values of this WST in the given range. The |
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161 * min value is placed in the first field of the resulting array - the max |
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162 * value is placed in the second field. |
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163 * |
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164 * @param fromKm the lower km value. |
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165 * @param toKm the upper km value. |
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166 * |
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167 * @return the min and max Q values of this WST. |
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168 */ |
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169 public double[] determineMinMaxQ(double fromKm, double toKm) { |
468
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170 Session session = SessionHolder.HOLDER.get(); |
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171 |
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172 Query query = session.createQuery( |
8856 | 173 "select min(q), max(q) from WstQRange where " |
174 + "id in " | |
175 + " (select wstQRange.id from WstColumnQRange where " | |
176 + " wstColumn.id in (select id from WstColumn where wst.id = :wst)) " | |
177 + "and range.id in " | |
178 + " (select id from Range where not (a > :end or b < :start))"); | |
468
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179 |
469
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180 query.setParameter("wst", getId()); |
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181 query.setParameter("start", new BigDecimal(fromKm)); |
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182 query.setParameter("end", new BigDecimal(toKm)); |
468
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183 |
469
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184 List<Object []> results = query.list(); |
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185 |
469
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186 if (results.isEmpty()) { |
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187 return null; |
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188 } |
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189 |
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190 if (results.get(0)[0] == null || results.get(0)[1] == null) { |
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sed -i src/**/*.java 's/logger/log/g'
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191 log.warn("Could not process result from min/maxQ query."); |
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192 return null; |
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193 } |
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194 |
469
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195 Object [] result = results.get(0); |
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196 |
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197 return new double [] { |
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198 ((BigDecimal)result[0]).doubleValue(), |
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199 ((BigDecimal)result[1]).doubleValue() }; |
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200 } |
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201 |
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202 |
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203 public double[] determineMinMaxQFree(double km) { |
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204 Session session = SessionHolder.HOLDER.get(); |
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205 |
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206 SQLQuery sqlQuery = session.createSQLQuery(SQL_SELECT_MINMAX) |
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Added a new method Wst.determineMinMaxQFree() to determine the min/max Qs at a given kilometer.
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207 .addScalar("minQ", StandardBasicTypes.DOUBLE) |
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208 .addScalar("maxQ", StandardBasicTypes.DOUBLE); |
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209 |
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210 sqlQuery.setInteger("wst", getId()); |
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211 sqlQuery.setDouble("km", km); |
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212 |
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213 List<Object[]> minmaxQ = sqlQuery.list(); |
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214 |
2794
3c26e16ae6c2
Fix or workaround flys/issue632, avoid NPE.
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215 |
2374
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216 if (minmaxQ.isEmpty()) { |
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Added a new method Wst.determineMinMaxQFree() to determine the min/max Qs at a given kilometer.
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217 return null; |
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changeset
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218 } |
ab1e642e7c85
Added a new method Wst.determineMinMaxQFree() to determine the min/max Qs at a given kilometer.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
2372
diff
changeset
|
219 |
ab1e642e7c85
Added a new method Wst.determineMinMaxQFree() to determine the min/max Qs at a given kilometer.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
2372
diff
changeset
|
220 Object[] mm = minmaxQ.get(0); |
ab1e642e7c85
Added a new method Wst.determineMinMaxQFree() to determine the min/max Qs at a given kilometer.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
2372
diff
changeset
|
221 |
2794
3c26e16ae6c2
Fix or workaround flys/issue632, avoid NPE.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
2374
diff
changeset
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222 if (mm[0] == null || mm[1] == null) { |
8842 | 223 log.warn("No min/max Q for km " + km + " found."); |
2794
3c26e16ae6c2
Fix or workaround flys/issue632, avoid NPE.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
2374
diff
changeset
|
224 return null; |
3c26e16ae6c2
Fix or workaround flys/issue632, avoid NPE.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
2374
diff
changeset
|
225 } |
3c26e16ae6c2
Fix or workaround flys/issue632, avoid NPE.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents:
2374
diff
changeset
|
226 |
2374
ab1e642e7c85
Added a new method Wst.determineMinMaxQFree() to determine the min/max Qs at a given kilometer.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
2372
diff
changeset
|
227 return new double[] { (Double) mm[0], (Double) mm[1] }; |
ab1e642e7c85
Added a new method Wst.determineMinMaxQFree() to determine the min/max Qs at a given kilometer.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
2372
diff
changeset
|
228 } |
167
15d515fe15f5
Added POJOs to be mapped to schema.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
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229 } |
15d515fe15f5
Added POJOs to be mapped to schema.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff
changeset
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230 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |