Mercurial > dive4elements > river

annotate flys-backend/src/main/java/de/intevation/flys/model/RiverAxis.java @ 4573:b87073a05f9d

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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>
date Tue, 27 Nov 2012 12:50:10 +0100
parents 6b1ca6ec4e3c
children b195fede1c3b
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.LineString;
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18
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19 import de.intevation.flys.backend.SessionHolder;
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20
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21
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22 /**
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23 * There is a modeling problem with the RiverAxis. The initial idea was, that a
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24 * river can have a riveraxis that consist of exact one geometry. Now, it has
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25 * turned out, that a single geometry is not enough for a riveraxis (arm of a
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26 * river, inflows, ...). As workaround, we now expect, that a river can just
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27 * have a single riveraxis.
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28 */
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29 @Entity
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30 @Table(name = "river_axes")
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31 public class RiverAxis
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32 implements Serializable
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33 {
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34 private Integer id;
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35 private Integer kind;
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36 private River river;
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37 private LineString geom;
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38
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39 public static final int DEFAULT_KIND = 0;
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40
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41 public static final int KIND_OFFICIAL = 1;
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42 public static final int KIND_OUTSOURCED = 2;
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43
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44 public RiverAxis() {
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45 }
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46
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47
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48 @Id
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49 @Column(name = "id")
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50 public Integer getId() {
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51 return id;
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52 }
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53
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54
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55 public void setId(Integer id) {
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56 this.id = id;
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57 }
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58
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59
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60 @OneToOne
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61 @JoinColumn(name = "river_id")
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62 public River getRiver() {
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63 return river;
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64 }
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65
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66
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67 public void setRiver(River river) {
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68 this.river = river;
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69 }
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70
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71
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72 @Column(name = "kind")
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73 public Integer getKind() {
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74 return kind;
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75 }
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76
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77
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78 public void setKind(Integer kind) {
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79 this.kind = kind;
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80 }
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81
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82
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83 @Column(name = "geom")
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84 @Type(type = "org.hibernatespatial.GeometryUserType")
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85 public LineString getGeom() {
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86 return geom;
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87 }
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88
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89
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90 public void setGeom(LineString geom) {
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91 this.geom = geom;
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92 }
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93
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94
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95 public static List<RiverAxis> getRiverAxis(String river) {
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96 return getRiverAxis(river, DEFAULT_KIND);
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97 }
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98
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99 public static List<RiverAxis> getRiverAxis(String river, int kind) {
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100 Session session = SessionHolder.HOLDER.get();
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101
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102 Query query = session.createQuery(
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103 "from RiverAxis where river.name =:river AND kind =:kind");
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104 query.setParameter("river", river);
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105 query.setParameter("kind", kind);
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106
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107 List<RiverAxis> list = query.list();
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108
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109 return list.isEmpty() ? null : list;
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110 }
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111 }
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112 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :
http://dive4elements.wald.intevation.org