--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/backend/src/main/java/org/dive4elements/river/model/DischargeZone.java	Thu Apr 25 15:23:37 2013 +0200
@@ -0,0 +1,159 @@
+package org.dive4elements.river.model;
+
+import java.io.Serializable;
+import java.math.BigDecimal;
+import java.util.List;
+
+import javax.persistence.Entity;
+import javax.persistence.Id;
+import javax.persistence.Table;
+import javax.persistence.GeneratedValue;
+import javax.persistence.Column;
+import javax.persistence.SequenceGenerator;
+import javax.persistence.GenerationType;
+import javax.persistence.JoinColumn;
+import javax.persistence.OneToOne;
+
+import org.hibernate.Session;
+import org.hibernate.Query;
+
+import org.apache.log4j.Logger;
+
+import org.dive4elements.river.backend.SessionHolder;
+
+
+@Entity
+@Table(name = "discharge_zone")
+public class DischargeZone
+implements   Serializable
+{
+    private static Logger logger = Logger.getLogger(DischargeZone.class);
+
+    private Integer id;
+
+    private River river;
+
+    private String gaugeName;
+
+    private BigDecimal value;
+
+    private String lowerDischarge;
+    private String upperDischarge;
+
+    private String type;
+
+    public DischargeZone() {
+    }
+
+
+    public DischargeZone(
+        River       river,
+        String      gaugeName,
+        BigDecimal  value,
+        String      lowerDischarge,
+        String      upperDischarge
+    ) {
+        this.river          = river;
+        this.gaugeName      = gaugeName;
+        this.value          = value;
+        this.lowerDischarge = lowerDischarge;
+        this.upperDischarge = upperDischarge;
+    }
+
+    @Id
+    @SequenceGenerator(
+        name           = "SEQUENCE_DISCHARGE_ZONE_ID_SEQ",
+        sequenceName   = "DISCHARGE_ZONE_ID_SEQ",
+        allocationSize = 1)
+    @GeneratedValue(
+        strategy  = GenerationType.SEQUENCE,
+        generator = "SEQUENCE_DISCHARGE_ZONE_ID_SEQ")
+    @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 = "value")
+    public BigDecimal getValue() {
+        return value;
+    }
+
+    public void setValue(BigDecimal value) {
+        this.value = value;
+    }
+
+    @Column(name = "gauge_name")
+    public String getGaugeName() {
+        return gaugeName;
+    }
+
+    public void setGaugeName(String gaugeName) {
+        this.gaugeName = gaugeName;
+    }
+
+    @Column(name = "lower_discharge")
+    public String getLowerDischarge() {
+        return lowerDischarge;
+    }
+
+    public void setLowerDischarge(String lowerDischarge) {
+        this.lowerDischarge = lowerDischarge;
+    }
+
+    @Column(name = "upper_discharge")
+    public String getUpperDischarge() {
+        return upperDischarge;
+    }
+
+    public void setUpperDischarge(String upperDischarge) {
+        this.upperDischarge = upperDischarge;
+    }
+
+    public void putType(String type) {
+        this.type = type;
+    }
+
+    public String fetchType() {
+        return this.type;
+    }
+
+    public static List<DischargeZone> getDischargeZones(River river) {
+        Session session = SessionHolder.HOLDER.get();
+
+        Query query = session.createQuery(
+            "from DischargeZone where river=:river");
+
+        query.setParameter("river", river);
+
+        return query.list();
+    }
+
+
+    public static DischargeZone getDischargeZoneById(int id) {
+        Session session = SessionHolder.HOLDER.get();
+
+        Query query = session.createQuery(
+            "from DischargeZone where id=:id");
+
+        query.setParameter("id", id);
+
+        List<DischargeZone> zones = query.list();
+
+        return zones.isEmpty() ? null : zones.get(0);
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :