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

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
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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;
    }
}
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