Mercurial > dive4elements > river

annotate flys-backend/src/main/java/de/intevation/flys/model/Wst.java @ 4967:2954eed04288

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Calculation4: Doc and TODO/issue.
author Felix Wolfsteller <felix.wolfsteller@intevation.de>
date Wed, 06 Feb 2013 09:56:46 +0100
parents c41bb1293acb
children
rev   line source
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1 package de.intevation.flys.model;
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2
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3 import java.io.Serializable;
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4 import java.math.BigDecimal;
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5 import java.util.List;
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6
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7 import javax.persistence.Entity;
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8 import javax.persistence.Id;
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9 import javax.persistence.Table;
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10 import javax.persistence.GeneratedValue;
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11 import javax.persistence.Column;
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12 import javax.persistence.SequenceGenerator;
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13 import javax.persistence.GenerationType;
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14 import javax.persistence.JoinColumn;
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15 import javax.persistence.OneToOne;
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16 import javax.persistence.OneToMany;
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17
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18 import org.apache.log4j.Logger;
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19
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20 import org.hibernate.Session;
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21 import org.hibernate.SQLQuery;
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22 import org.hibernate.Query;
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23 import org.hibernate.type.StandardBasicTypes;
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24
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25 import de.intevation.flys.backend.SessionHolder;
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26
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27
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28 @Entity
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29 @Table(name = "wsts")
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30 public class Wst
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31 implements Serializable
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32 {
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33 private static Logger logger = Logger.getLogger(Wst.class);
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34
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35 private Integer id;
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36 private River river;
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37 private String description;
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38 private Integer kind;
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39
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40 private List<WstColumn> columns;
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41
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42
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43 public static final String SQL_SELECT_MINMAX =
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44 "select min(q) as minQ, max(q) as maxQ from wst_q_values " +
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45 "where wst_id = :wst and not (a > :km or b < :km)";
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46
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47 public Wst() {
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48 }
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49
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50 public Wst(River river, String description) {
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51 this(river, description, 0);
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52 }
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53
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54 public Wst(River river, String description, Integer kind) {
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55 this.river = river;
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56 this.description = description;
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57 this.kind = kind;
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58 }
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59
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60 @Id
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61 @SequenceGenerator(
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62 name = "SEQUENCE_WSTS_ID_SEQ",
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63 sequenceName = "WSTS_ID_SEQ",
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64 allocationSize = 1)
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65 @GeneratedValue(
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66 strategy = GenerationType.SEQUENCE,
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67 generator = "SEQUENCE_WSTS_ID_SEQ")
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68 @Column(name = "id")
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69 public Integer getId() {
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70 return id;
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71 }
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72
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73 public void setId(Integer id) {
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74 this.id = id;
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75 }
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76
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77 @OneToOne
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78 @JoinColumn(name = "river_id" )
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79 public River getRiver() {
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80 return river;
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81 }
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82
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83 public void setRiver(River river) {
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84 this.river = river;
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85 }
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86
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87 @Column(name = "description")
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88 public String getDescription() {
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89 return description;
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90 }
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91
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92 public void setDescription(String description) {
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93 this.description = description;
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94 }
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95
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96 @Column(name = "kind")
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97 public Integer getKind() {
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98 return kind;
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99 }
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100
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101 public void setKind(Integer kind) {
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102 this.kind = kind;
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103 }
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104
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105 @OneToMany
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106 @JoinColumn(name="wst_id")
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107 public List<WstColumn> getColumns() {
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108 return columns;
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109 }
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110
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111 public void setColumns(List<WstColumn> columns) {
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112 this.columns = columns;
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113 }
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114
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115
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116 /**
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117 * Determines the min and max Q values of this WST. The min value is placed
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118 * in the first field of the resulting array - the max value is placed in
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119 * the second field.
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120 *
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121 * @return the min and max Q values of this WST.
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122 */
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123 public double[] determineMinMaxQ() {
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124 double[] ab = river.determineMinMaxDistance();
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125 return determineMinMaxQ(new Range(ab[0], ab[1], river));
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126 }
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127
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128
8d76556c9616 Added methods to retrieve the min and max W and Q values of a Wst and Gauge.
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129 /**
8d76556c9616 Added methods to retrieve the min and max W and Q values of a Wst and Gauge.
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parents: 467
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130 * Determines the min and max Q values of this WST in the given range. The
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131 * min value is placed in the first field of the resulting array - the max
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132 * value is placed in the second field.
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133 *
8d76556c9616 Added methods to retrieve the min and max W and Q values of a Wst and Gauge.
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134 * @param range The range used for querying the Q values.
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parents: 467
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135 *
8d76556c9616 Added methods to retrieve the min and max W and Q values of a Wst and Gauge.
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136 * @return the min and max Q values of this WST.
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137 */
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138 public double[] determineMinMaxQ(Range range) {
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027736510a30 Added a new method Wst.determineMinMaxQ(double,double).
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139 if (range != null) {
027736510a30 Added a new method Wst.determineMinMaxQ(double,double).
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140 return determineMinMaxQ(
027736510a30 Added a new method Wst.determineMinMaxQ(double,double).
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141 range.getA().doubleValue(),
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142 range.getB().doubleValue());
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143 }
027736510a30 Added a new method Wst.determineMinMaxQ(double,double).
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144
027736510a30 Added a new method Wst.determineMinMaxQ(double,double).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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145 return null;
027736510a30 Added a new method Wst.determineMinMaxQ(double,double).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2347
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146 }
027736510a30 Added a new method Wst.determineMinMaxQ(double,double).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2347
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147
027736510a30 Added a new method Wst.determineMinMaxQ(double,double).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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148
027736510a30 Added a new method Wst.determineMinMaxQ(double,double).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2347
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149 /**
027736510a30 Added a new method Wst.determineMinMaxQ(double,double).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2347
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150 * Determines the min and max Q values of this WST in the given range. The
027736510a30 Added a new method Wst.determineMinMaxQ(double,double).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2347
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151 * min value is placed in the first field of the resulting array - the max
027736510a30 Added a new method Wst.determineMinMaxQ(double,double).
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152 * value is placed in the second field.
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153 *
027736510a30 Added a new method Wst.determineMinMaxQ(double,double).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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154 * @param fromKm the lower km value.
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155 * @param toKm the upper km value.
027736510a30 Added a new method Wst.determineMinMaxQ(double,double).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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156 *
027736510a30 Added a new method Wst.determineMinMaxQ(double,double).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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157 * @return the min and max Q values of this WST.
027736510a30 Added a new method Wst.determineMinMaxQ(double,double).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2347
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158 */
027736510a30 Added a new method Wst.determineMinMaxQ(double,double).
Ingo Weinzierl <ingo.weinzierl@intevation.de>
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159 public double[] determineMinMaxQ(double fromKm, double toKm) {
468
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160 Session session = SessionHolder.HOLDER.get();
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161
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162 Query query = session.createQuery(
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163 "select min(q), max(q) from WstQRange where " +
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164 " id in " +
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165 " (select wstQRange.id from WstColumnQRange where " +
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166 " wstColumn.id in (select id from WstColumn where wst.id = :wst)) " +
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167 " and range.id in " +
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168 " (select id from Range where not (a > :end or b < :start))");
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169
469
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170 query.setParameter("wst", getId());
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171 query.setParameter("start", new BigDecimal(fromKm));
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172 query.setParameter("end", new BigDecimal(toKm));
468
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173
469
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174 List<Object []> results = query.list();
468
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175
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diff changeset
176 if (results.isEmpty()) {
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177 return null;
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178 }
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179
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180 Object [] result = results.get(0);
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181
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182 return new double [] {
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183 ((BigDecimal)result[0]).doubleValue(),
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diff changeset
184 ((BigDecimal)result[1]).doubleValue() };
468
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185 }
2374
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186
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187
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188 public double[] determineMinMaxQFree(double km) {
ab1e642e7c85 Added a new method Wst.determineMinMaxQFree() to determine the min/max Qs at a given kilometer.
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189 Session session = SessionHolder.HOLDER.get();
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190
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diff changeset
191 SQLQuery sqlQuery = session.createSQLQuery(SQL_SELECT_MINMAX)
ab1e642e7c85 Added a new method Wst.determineMinMaxQFree() to determine the min/max Qs at a given kilometer.
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192 .addScalar("minQ", StandardBasicTypes.DOUBLE)
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193 .addScalar("maxQ", StandardBasicTypes.DOUBLE);
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194
ab1e642e7c85 Added a new method Wst.determineMinMaxQFree() to determine the min/max Qs at a given kilometer.
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195 sqlQuery.setInteger("wst", getId());
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diff changeset
196 sqlQuery.setDouble("km", km);
ab1e642e7c85 Added a new method Wst.determineMinMaxQFree() to determine the min/max Qs at a given kilometer.
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197
ab1e642e7c85 Added a new method Wst.determineMinMaxQFree() to determine the min/max Qs at a given kilometer.
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diff changeset
198 List<Object[]> minmaxQ = sqlQuery.list();
ab1e642e7c85 Added a new method Wst.determineMinMaxQFree() to determine the min/max Qs at a given kilometer.
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parents: 2372
diff changeset
199
2794
3c26e16ae6c2 Fix or workaround flys/issue632, avoid NPE.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2374
diff changeset
200
2374
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diff changeset
201 if (minmaxQ.isEmpty()) {
ab1e642e7c85 Added a new method Wst.determineMinMaxQFree() to determine the min/max Qs at a given kilometer.
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parents: 2372
diff changeset
202 return null;
ab1e642e7c85 Added a new method Wst.determineMinMaxQFree() to determine the min/max Qs at a given kilometer.
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parents: 2372
diff changeset
203 }
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
204
ab1e642e7c85 Added a new method Wst.determineMinMaxQFree() to determine the min/max Qs at a given kilometer.
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parents: 2372
diff changeset
205 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
206
2794
3c26e16ae6c2 Fix or workaround flys/issue632, avoid NPE.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2374
diff changeset
207 if (mm[0] == null || mm[1] == null) {
2795
c41bb1293acb Adapted wrong method call of Log4J logger.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents: 2794
diff changeset
208 logger.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
209 return null;
3c26e16ae6c2 Fix or workaround flys/issue632, avoid NPE.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2374
diff changeset
210 }
3c26e16ae6c2 Fix or workaround flys/issue632, avoid NPE.
Felix Wolfsteller <felix.wolfsteller@intevation.de>
parents: 2374
diff changeset
211
2374
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diff changeset
212 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
213 }
167
15d515fe15f5 Added POJOs to be mapped to schema.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
214 }
15d515fe15f5 Added POJOs to be mapped to schema.
Sascha L. Teichmann <sascha.teichmann@intevation.de>
parents:
diff changeset
215 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org