ingo@1230: package de.intevation.flys.model;
ingo@1230: 
ingo@1230: import java.io.Serializable;
ingo@1231: import java.util.List;
ingo@1230: 
ingo@1230: import javax.persistence.Column;
ingo@1230: import javax.persistence.Entity;
ingo@1230: import javax.persistence.Id;
ingo@1230: import javax.persistence.JoinColumn;
ingo@1230: import javax.persistence.OneToOne;
ingo@1230: import javax.persistence.Table;
ingo@1230: 
ingo@1231: import org.hibernate.Session;
ingo@1231: import org.hibernate.Query;
ingo@1230: import org.hibernate.annotations.Type;
ingo@1230: 
ingo@1230: import com.vividsolutions.jts.geom.LineString;
ingo@1230: 
ingo@1231: import de.intevation.flys.backend.SessionHolder;
ingo@1231: 
ingo@1230: 
ingo@2375: /**
ingo@2375:  * There is a modeling problem with the RiverAxis. The initial idea was, that a
ingo@2375:  * river can have a riveraxis that consist of exact one geometry. Now, it has
ingo@2375:  * turned out, that a single geometry is not enough for a riveraxis (arm of a
ingo@2375:  * river, inflows, ...). As workaround, we now expect, that a river can just
ingo@2375:  * have a single riveraxis.
ingo@2375:  */
ingo@1230: @Entity
ingo@1230: @Table(name = "river_axes")
ingo@1230: public class RiverAxis
ingo@1230: implements   Serializable
ingo@1230: {
ingo@1230:     private Integer    id;
ingo@1230:     private Integer    kind;
ingo@1230:     private River      river;
ingo@1230:     private LineString geom;
ingo@3959:     
ingo@3959:     public static final int DEFAULT_KIND = 0;
ingo@3959:     
ingo@3959:     public static final int KIND_OFFICIAL = 1;
ingo@3959:     public static final int KIND_OUTSOURCED = 2;
ingo@1230: 
ingo@1230:     public RiverAxis() {
ingo@1230:     }
ingo@1230: 
ingo@1230: 
ingo@1230:     @Id
ingo@1230:     @Column(name = "id")
ingo@1230:     public Integer getId() {
ingo@1230:         return id;
ingo@1230:     }
ingo@1230: 
ingo@1230: 
ingo@1230:     public void setId(Integer id) {
ingo@1230:         this.id = id;
ingo@1230:     }
ingo@1230: 
ingo@1230: 
ingo@1230:     @OneToOne
ingo@1230:     @JoinColumn(name = "river_id")
ingo@1230:     public River getRiver() {
ingo@1230:         return river;
ingo@1230:     }
ingo@1230: 
ingo@1230: 
ingo@1230:     public void setRiver(River river) {
ingo@1230:         this.river = river;
ingo@1230:     }
ingo@1230: 
ingo@1230: 
ingo@1230:     @Column(name = "kind")
ingo@1230:     public Integer getKind() {
ingo@1230:         return kind;
ingo@1230:     }
ingo@1230: 
ingo@1230: 
ingo@1230:     public void setKind(Integer kind) {
ingo@1230:         this.kind = kind;
ingo@1230:     }
ingo@1230: 
ingo@1230: 
ingo@1230:     @Column(name = "geom")
ingo@1230:     @Type(type = "org.hibernatespatial.GeometryUserType")
ingo@1230:     public LineString getGeom() {
ingo@1230:         return geom;
ingo@1230:     }
ingo@1230: 
ingo@1230: 
ingo@1230:     public void setGeom(LineString geom) {
ingo@1230:         this.geom = geom;
ingo@1230:     }
ingo@1231: 
ingo@1231: 
ingo@2375:     public static List<RiverAxis> getRiverAxis(String river) {
ingo@3959:         return getRiverAxis(river, DEFAULT_KIND);
ingo@3959:     }
ingo@3959:     
ingo@3959:     public static List<RiverAxis> getRiverAxis(String river, int kind) {
ingo@1231:         Session session = SessionHolder.HOLDER.get();
ingo@1231: 
ingo@1231:         Query query = session.createQuery(
ingo@3959:             "from RiverAxis where river.name =:river AND kind =:kind");
ingo@1231:         query.setParameter("river", river);
ingo@3959:         query.setParameter("kind", kind);
ingo@1231: 
ingo@1231:         List<RiverAxis> list = query.list();
ingo@1231: 
ingo@2375:         return list.isEmpty() ? null : list;
ingo@1231:     }
ingo@1230: }
ingo@1230: // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :