--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-backend/src/main/java/org/dive4elements/river/model/DGM.java	Thu Apr 25 11:53:11 2013 +0200
@@ -0,0 +1,138 @@
+package de.intevation.flys.model;
+
+import java.io.Serializable;
+import java.util.List;
+import java.math.BigDecimal;
+
+import javax.persistence.Column;
+import javax.persistence.Entity;
+import javax.persistence.GeneratedValue;
+import javax.persistence.GenerationType;
+import javax.persistence.Id;
+import javax.persistence.JoinColumn;
+import javax.persistence.OneToOne;
+import javax.persistence.Table;
+import javax.persistence.SequenceGenerator;
+
+import org.hibernate.Session;
+import org.hibernate.Query;
+
+import de.intevation.flys.backend.SessionHolder;
+
+
+@Entity
+@Table(name = "dem")
+public class DGM implements Serializable {
+
+    private Integer      id;
+    private Integer      srid;
+
+    private River        river;
+
+    private Range        range;
+    private TimeInterval time_interval;
+
+    private String       path;
+
+
+    public DGM() {
+    }
+
+
+    public void setId(Integer id) {
+        this.id = id;
+    }
+
+    @Id
+    @SequenceGenerator(
+        name           = "SEQUENCE_DEM_ID_SEQ",
+        sequenceName   = "DEM_ID_SEQ",
+        allocationSize = 1)
+    @GeneratedValue(
+        strategy  = GenerationType.SEQUENCE,
+        generator = "SEQUENCE_DEM_ID_SEQ")
+    @Column(name = "id")
+    public Integer getId() {
+        return id;
+    }
+
+    public void setRiver(River river) {
+        this.river = river;
+    }
+
+    @OneToOne
+    @JoinColumn(name = "river_id")
+    public River getRiver() {
+        return river;
+    }
+
+    public void setPath(String path) {
+        this.path = path;
+    }
+
+    @Column(name = "path")
+    public String getPath() {
+        return path;
+    }
+
+    public void setSrid(int srid) {
+        this.srid = srid;
+    }
+
+    @Column(name = "srid")
+    public int getSrid() {
+        return srid;
+    }
+
+    public static DGM getDGM(int id) {
+        Session session = SessionHolder.HOLDER.get();
+
+        Query query = session.createQuery(
+            "from DGM where Id =:id");
+        query.setParameter("id", id);
+
+        List<DGM> result = query.list();
+
+        return result.isEmpty() ? null : result.get(0);
+    }
+
+
+    public static DGM getDGM(String river, double lower, double upper) {
+        Session session = SessionHolder.HOLDER.get();
+
+        Query query = session.createQuery(
+            "from DGM where river.name =:river and " +
+            "range.a <=:lower and range.b >=:lower and " +
+            "range.a <=:upper and range.b >=:upper");
+        query.setParameter("river", river);
+        query.setParameter("lower", new BigDecimal(lower));
+        query.setParameter("upper", new BigDecimal(upper));
+
+        List<DGM> result = query.list();
+
+        return result.isEmpty() ? null : result.get(0);
+    }
+
+    @OneToOne
+    @JoinColumn(name = "range_id")
+    public Range getRange() {
+        return range;
+    }
+
+    public void setRange(Range range) {
+        this.range = range;
+    }
+
+    @OneToOne
+    @JoinColumn(name = "time_interval_id")
+    public TimeInterval getTimeInterval() {
+        return time_interval;
+    }
+
+    public void setTimeInterval(TimeInterval time_interval) {
+        this.time_interval = time_interval;
+    }
+
+
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :