Mercurial > dive4elements > river

annotate flys-backend/src/main/java/de/intevation/flys/model/CrossSectionTrack.java @ 4128:11c589d68f13

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Fix for NPE in FLYSWorkspace.bringUp() #933
author Christian Lins <christian.lins@intevation.de>
date Sun, 14 Oct 2012 10:15:50 +0200
parents d42249d91f47
children 88e3473a3846
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.Column;
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8 import javax.persistence.Entity;
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9 import javax.persistence.Id;
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10 import javax.persistence.JoinColumn;
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11 import javax.persistence.OneToOne;
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12 import javax.persistence.Table;
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13
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14 import org.hibernate.Query;
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15 import org.hibernate.Session;
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16 import org.hibernate.annotations.Type;
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17
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18 import com.vividsolutions.jts.geom.LineString;
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19
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20 import de.intevation.flys.backend.SessionHolder;
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21
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22
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23 @Entity
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24 @Table(name = "cross_section_tracks")
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25 public class CrossSectionTrack
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26 implements Serializable
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27 {
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28 private Integer id;
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29 private River river;
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30 private String name;
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31 private LineString geom;
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32 private BigDecimal km;
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33 private BigDecimal z;
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34
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35 public CrossSectionTrack() {
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36 }
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37
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38
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39 @Id
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40 @Column(name = "id")
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41 public Integer getId() {
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42 return id;
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43 }
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44
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45
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46 public void setId(Integer id) {
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47 this.id = id;
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48 }
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49
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50
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51 @OneToOne
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52 @JoinColumn(name = "river_id")
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53 public River getRiver() {
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54 return river;
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55 }
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56
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57
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58 public void setRiver(River river) {
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59 this.river = river;
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60 }
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61
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62
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63 @Column(name = "name")
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64 public String getName() {
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65 return name;
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66 }
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67
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68
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69 public void setName(String name) {
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70 this.name = name;
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71 }
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72
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73
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74 @Column(name = "geom")
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75 @Type(type = "org.hibernatespatial.GeometryUserType")
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76 public LineString getGeom() {
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77 return geom;
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78 }
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79
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80
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81 public void setGeom(LineString geom) {
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82 this.geom = geom;
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83 }
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84
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85
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86 @Column(name = "km")
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87 public BigDecimal getKm() {
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88 return km;
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89 }
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90
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91
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92 public void setKm(BigDecimal km) {
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93 this.km = km;
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94 }
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95
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96
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97 @Column(name = "z")
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98 public BigDecimal getZ() {
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99 return z;
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100 }
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101
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102
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103 public void setZ(BigDecimal z) {
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104 this.z = z;
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105 }
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106
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107
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108 public static List<CrossSectionTrack> getCrossSectionTrack(
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109 String river)
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110 {
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111 Session session = SessionHolder.HOLDER.get();
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112
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113 Query query = session.createQuery(
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114 "from CrossSectionTrack where river.name =:river");
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115 query.setParameter("river", river);
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116
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117 return query.list();
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118 }
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119
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120
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121 public static List<CrossSectionTrack> getCrossSectionTrack(
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122 String river,
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123 String name
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124 ) {
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125 Session session = SessionHolder.HOLDER.get();
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126
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127 Query query = session.createQuery(
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128 "from CrossSectionTrack as cst " +
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129 " where river.name =:river" +
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130 " and cst.name=:name");
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131 query.setParameter("river", river);
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132 query.setParameter("name", name);
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133
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134 return query.list();
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135 }
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136
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137
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138 /**
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139 * Returns the nearest CrossSectionTrack of <i>river</i> to a given
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140 * <i>km</i>.
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141 *
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142 * @param river The name of a river.
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143 * @param km The kilometer value.
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144 *
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145 * @return the nearest CrossSectionTrack to <i>km</i> of river <i>river</i>.
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146 */
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147 public static CrossSectionTrack getCrossSectionTrack(
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148 String river,
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149 double km
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150 ) {
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151 Session session = SessionHolder.HOLDER.get();
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152
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153 Query query = session.createQuery(
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154 "from CrossSectionTrack where river.name =:river " +
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155 "order by abs( km - :mykm)");
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156 query.setParameter("river", river);
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157 query.setParameter("mykm", new BigDecimal(km));
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158
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159 List<CrossSectionTrack> cst = query.list();
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160
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161 return cst != null && !cst.isEmpty() ? cst.get(0) : null;
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162 }
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163 }
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164 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org