Mercurial > dive4elements > river

annotate flys-backend/src/main/java/de/intevation/flys/model/RiverAxis.java @ 5146:d4fdd98a04f7

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Add kind_id to river_axes table and add AxisKind object to model There are currently three kinds: 0 for unkown, 1 for current, 2 for everything else. Only current is used for calculation
author Andre Heinecke <aheinecke@intevation.de>
date Thu, 28 Feb 2013 18:04:19 +0100
parents 18ef819a7c92
children c1b60f8c3390
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.util.List;
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5
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6 import javax.persistence.Column;
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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.JoinColumn;
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10 import javax.persistence.OneToOne;
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11 import javax.persistence.Table;
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12
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13 import org.hibernate.Session;
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14 import org.hibernate.Query;
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15 import org.hibernate.annotations.Type;
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16
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17 import com.vividsolutions.jts.geom.MultiLineString;
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18
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19 import de.intevation.flys.backend.SessionHolder;
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20 import de.intevation.flys.model.AxisKind;
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21
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22
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23 /**
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24 * A river has one axis that is used for calculation.
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25 * Additional axes of a river can be used to be painted int maps etc.
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26 * which one is the main river axis can be determined over the axis kind.
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27 */
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28 @Entity
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29 @Table(name = "river_axes")
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30 public class RiverAxis
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31 implements Serializable
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32 {
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33 private Integer id;
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34 private AxisKind kind;
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35 private River river;
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36 private MultiLineString geom;
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37
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38 public static final int KIND_UNKOWN = 0;
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39 public static final int KIND_CURRENT = 1;
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40 public static final int KIND_OTHER = 2;
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41
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42 public RiverAxis() {
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43 }
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44
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45
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46 @Id
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47 @Column(name = "id")
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48 public Integer getId() {
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49 return id;
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50 }
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51
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52
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53 public void setId(Integer id) {
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54 this.id = id;
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55 }
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56
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57
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58 @OneToOne
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59 @JoinColumn(name = "river_id")
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60 public River getRiver() {
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61 return river;
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62 }
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63
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64
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65 public void setRiver(River river) {
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66 this.river = river;
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67 }
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68
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69
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70 /**
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71 * Get kind.
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72 *
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73 * @return kind as AxisKind.
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74 */
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75 @OneToOne
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76 @JoinColumn(name = "kind_id")
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77 public AxisKind getKind() {
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78 return kind;
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79 }
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80
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81 /**
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82 * Set kind.
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83 *
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84 * @param kind the value to set.
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85 */
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86 public void setKind(AxisKind kind) {
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87 this.kind = kind;
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88 }
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89
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90
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91 @Column(name = "geom")
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92 @Type(type = "org.hibernatespatial.GeometryUserType")
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93 public MultiLineString getGeom() {
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94 return geom;
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95 }
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96
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97
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98 public void setGeom(MultiLineString geom) {
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99 this.geom = geom;
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100 }
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101
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102
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103 public static List<RiverAxis> getRiverAxis(String river) {
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104 return getRiverAxis(river, KIND_CURRENT);
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105 }
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106
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107 public static List<RiverAxis> getRiverAxis(String river, int kind) {
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108 Session session = SessionHolder.HOLDER.get();
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109
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110 Query query = session.createQuery(
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111 "from RiverAxis where river.name =:river AND kind.id =:kind");
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112 query.setParameter("river", river);
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113 query.setParameter("kind", kind);
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114
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115 List<RiverAxis> list = query.list();
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116
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117 return list.isEmpty() ? null : list;
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118 }
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119 }
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120 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org