Mercurial > dive4elements > river
annotate flys-backend/src/main/java/de/intevation/flys/model/Wst.java @ 4573:b87073a05f9d
flys-client: Patch to render combobox options as clickable links.
The way of passing data arguments to the links and further to
the Artifact feeding service is somewhat hacked and should be
refactored (later...).
author | Christian Lins <christian.lins@intevation.de> |
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date | Tue, 27 Nov 2012 12:50:10 +0100 |
parents | c41bb1293acb |
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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 |
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129 /** |
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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 * |
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134 * @param range The range used for querying the Q values. |
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135 * |
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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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139 if (range != null) { |
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140 return determineMinMaxQ( |
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141 range.getA().doubleValue(), |
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142 range.getB().doubleValue()); |
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143 } |
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144 |
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145 return null; |
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146 } |
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147 |
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148 |
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149 /** |
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150 * Determines the min and max Q values of this WST in the given range. The |
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151 * min value is placed in the first field of the resulting array - the max |
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152 * value is placed in the second field. |
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153 * |
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154 * @param fromKm the lower km value. |
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155 * @param toKm the upper km value. |
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156 * |
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157 * @return the min and max Q values of this WST. |
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158 */ |
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159 public double[] determineMinMaxQ(double fromKm, double toKm) { |
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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 |
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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)); |
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173 |
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174 List<Object []> results = query.list(); |
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175 |
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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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184 ((BigDecimal)result[1]).doubleValue() }; |
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185 } |
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186 |
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187 |
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188 public double[] determineMinMaxQFree(double km) { |
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189 Session session = SessionHolder.HOLDER.get(); |
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190 |
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191 SQLQuery sqlQuery = session.createSQLQuery(SQL_SELECT_MINMAX) |
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192 .addScalar("minQ", StandardBasicTypes.DOUBLE) |
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193 .addScalar("maxQ", StandardBasicTypes.DOUBLE); |
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194 |
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195 sqlQuery.setInteger("wst", getId()); |
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196 sqlQuery.setDouble("km", km); |
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197 |
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198 List<Object[]> minmaxQ = sqlQuery.list(); |
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199 |
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Fix or workaround flys/issue632, avoid NPE.
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200 |
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201 if (minmaxQ.isEmpty()) { |
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202 return null; |
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203 } |
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204 |
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205 Object[] mm = minmaxQ.get(0); |
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206 |
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207 if (mm[0] == null || mm[1] == null) { |
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c41bb1293acb
Adapted wrong method call of Log4J logger.
Ingo Weinzierl <ingo.weinzierl@intevation.de>
parents:
2794
diff
changeset
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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
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
|
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 : |