Mercurial > dive4elements > river
view flys-backend/src/main/java/de/intevation/flys/model/RiverAxis.java @ 4807:dbae69a57927
QualityMesurementFactory: Added vim-line.
author | Felix Wolfsteller <felix.wolfsteller@intevation.de> |
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date | Wed, 16 Jan 2013 11:39:04 +0100 |
parents | b195fede1c3b |
children | 18ef819a7c92 |
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package de.intevation.flys.model; import java.io.Serializable; import java.util.List; import javax.persistence.Column; import javax.persistence.Entity; import javax.persistence.Id; import javax.persistence.JoinColumn; import javax.persistence.OneToOne; import javax.persistence.Table; import org.hibernate.Session; import org.hibernate.Query; import org.hibernate.annotations.Type; import com.vividsolutions.jts.geom.LineString; import de.intevation.flys.backend.SessionHolder; /** * There is a modeling problem with the RiverAxis. The initial idea was, that a * river can have a riveraxis that consist of exact one geometry. Now, it has * turned out, that a single geometry is not enough for a riveraxis (arm of a * river, inflows, ...). As workaround, we now expect, that a river can just * have a single riveraxis. */ @Entity @Table(name = "river_axes") public class RiverAxis implements Serializable { private Integer id; private Integer kind; private River river; private LineString geom; public static final int DEFAULT_KIND = 0; public static final int KIND_OFFICIAL = 1; public static final int KIND_OUTSOURCED = 2; public RiverAxis() { } @Id @Column(name = "id") public Integer getId() { return id; } public void setId(Integer id) { this.id = id; } @OneToOne @JoinColumn(name = "river_id") public River getRiver() { return river; } public void setRiver(River river) { this.river = river; } @Column(name = "kind") public Integer getKind() { return kind; } public void setKind(Integer kind) { this.kind = kind; } @Column(name = "geom") @Type(type = "org.hibernatespatial.GeometryUserType") public LineString getGeom() { return geom; } public void setGeom(LineString geom) { this.geom = geom; } public static List<RiverAxis> getRiverAxis(String river) { return getRiverAxis(river, DEFAULT_KIND); } public static List<RiverAxis> getRiverAxis(String river, int kind) { Session session = SessionHolder.HOLDER.get(); Query query = session.createQuery( "from RiverAxis where river.name =:river AND kind =:kind"); query.setParameter("river", river); query.setParameter("kind", kind); List<RiverAxis> list = query.list(); return list.isEmpty() ? null : list; } } // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :