Mercurial > dive4elements > river
comparison flys-backend/src/main/java/de/intevation/flys/model/CrossSectionTrack.java @ 3820:8a75cf0841b1 pre2.7-2012-03-16
merged flys-backend/pre2.7-2012-03-16
| author | Thomas Arendsen Hein <thomas@intevation.de> |
|---|---|
| date | Fri, 28 Sep 2012 12:14:59 +0200 |
| parents | 8e2fe935ddf1 |
| children | d42249d91f47 |
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| 3818:dc18457b1cef | 3820:8a75cf0841b1 |
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| 1 package de.intevation.flys.model; | |
| 2 | |
| 3 import java.io.Serializable; | |
| 4 import java.math.BigDecimal; | |
| 5 import java.util.List; | |
| 6 | |
| 7 import javax.persistence.Column; | |
| 8 import javax.persistence.Entity; | |
| 9 import javax.persistence.Id; | |
| 10 import javax.persistence.JoinColumn; | |
| 11 import javax.persistence.OneToOne; | |
| 12 import javax.persistence.Table; | |
| 13 | |
| 14 import org.hibernate.Query; | |
| 15 import org.hibernate.Session; | |
| 16 import org.hibernate.annotations.Type; | |
| 17 | |
| 18 import com.vividsolutions.jts.geom.LineString; | |
| 19 | |
| 20 import de.intevation.flys.backend.SessionHolder; | |
| 21 | |
| 22 | |
| 23 @Entity | |
| 24 @Table(name = "cross_section_tracks") | |
| 25 public class CrossSectionTrack | |
| 26 implements Serializable | |
| 27 { | |
| 28 private Integer id; | |
| 29 private River river; | |
| 30 private LineString geom; | |
| 31 private BigDecimal km; | |
| 32 private BigDecimal z; | |
| 33 | |
| 34 public CrossSectionTrack() { | |
| 35 } | |
| 36 | |
| 37 | |
| 38 @Id | |
| 39 @Column(name = "id") | |
| 40 public Integer getId() { | |
| 41 return id; | |
| 42 } | |
| 43 | |
| 44 | |
| 45 public void setId(Integer id) { | |
| 46 this.id = id; | |
| 47 } | |
| 48 | |
| 49 | |
| 50 @OneToOne | |
| 51 @JoinColumn(name = "river_id") | |
| 52 public River getRiver() { | |
| 53 return river; | |
| 54 } | |
| 55 | |
| 56 | |
| 57 public void setRiver(River river) { | |
| 58 this.river = river; | |
| 59 } | |
| 60 | |
| 61 | |
| 62 @Column(name = "geom") | |
| 63 @Type(type = "org.hibernatespatial.GeometryUserType") | |
| 64 public LineString getGeom() { | |
| 65 return geom; | |
| 66 } | |
| 67 | |
| 68 | |
| 69 public void setGeom(LineString geom) { | |
| 70 this.geom = geom; | |
| 71 } | |
| 72 | |
| 73 | |
| 74 @Column(name = "km") | |
| 75 public BigDecimal getKm() { | |
| 76 return km; | |
| 77 } | |
| 78 | |
| 79 | |
| 80 public void setKm(BigDecimal km) { | |
| 81 this.km = km; | |
| 82 } | |
| 83 | |
| 84 | |
| 85 @Column(name = "z") | |
| 86 public BigDecimal getZ() { | |
| 87 return z; | |
| 88 } | |
| 89 | |
| 90 | |
| 91 public void setZ(BigDecimal z) { | |
| 92 this.z = z; | |
| 93 } | |
| 94 | |
| 95 | |
| 96 public static List<CrossSectionTrack> getCrossSectionTrack( | |
| 97 String river) | |
| 98 { | |
| 99 Session session = SessionHolder.HOLDER.get(); | |
| 100 | |
| 101 Query query = session.createQuery( | |
| 102 "from CrossSectionTrack where river.name =:river"); | |
| 103 query.setParameter("river", river); | |
| 104 | |
| 105 return query.list(); | |
| 106 } | |
| 107 | |
| 108 | |
| 109 /** | |
| 110 * Returns the nearest CrossSectionTrack of <i>river</i> to a given | |
| 111 * <i>km</i>. | |
| 112 * | |
| 113 * @param river The name of a river. | |
| 114 * @param km The kilometer value. | |
| 115 * | |
| 116 * @return the nearest CrossSectionTrack to <i>km</i> of river <i>river</i>. | |
| 117 */ | |
| 118 public static CrossSectionTrack getCrossSectionTrack( | |
| 119 String river, | |
| 120 double km | |
| 121 ) { | |
| 122 Session session = SessionHolder.HOLDER.get(); | |
| 123 | |
| 124 Query query = session.createQuery( | |
| 125 "from CrossSectionTrack where river.name =:river " + | |
| 126 "order by abs( km - :mykm)"); | |
| 127 query.setParameter("river", river); | |
| 128 query.setParameter("mykm", new BigDecimal(km)); | |
| 129 | |
| 130 List<CrossSectionTrack> cst = query.list(); | |
| 131 | |
| 132 return cst != null && !cst.isEmpty() ? cst.get(0) : null; | |
| 133 } | |
| 134 } | |
| 135 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 : |