--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/backend/src/main/java/org/dive4elements/river/model/MainValue.java	Thu Apr 25 15:23:37 2013 +0200
@@ -0,0 +1,105 @@
+package org.dive4elements.river.model;
+
+import java.io.Serializable;
+
+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.OneToOne;
+import javax.persistence.JoinColumn;
+import javax.persistence.GenerationType;
+
+import java.math.BigDecimal;
+
+
+/** A Main or Extreme value of a rivers gauge. */
+@Entity
+@Table(name = "main_values")
+public class MainValue
+implements   Serializable
+{
+    private Integer        id;
+
+    private Gauge          gauge;
+
+    private NamedMainValue mainValue;
+
+    private BigDecimal     value;
+
+    private TimeInterval   timeInterval;
+
+    public MainValue() {
+    }
+
+    public MainValue(
+        Gauge          gauge,
+        NamedMainValue mainValue,
+        BigDecimal     value,
+        TimeInterval   timeInterval
+    ) {
+        this.gauge        = gauge;
+        this.mainValue    = mainValue;
+        this.value        = value;
+        this.timeInterval = timeInterval;
+    }
+
+    @Id
+    @SequenceGenerator(
+        name           = "SEQUENCE_MAIN_VALUES_ID_SEQ",
+        sequenceName   = "MAIN_VALUES_ID_SEQ",
+        allocationSize = 1)
+    @GeneratedValue(
+        strategy  = GenerationType.SEQUENCE,
+        generator = "SEQUENCE_MAIN_VALUES_ID_SEQ")
+    @Column(name = "id")
+    public Integer getId() {
+        return id;
+    }
+
+    public void setId(Integer id) {
+        this.id = id;
+    }
+
+    @OneToOne
+    @JoinColumn(name = "gauge_id")
+    public Gauge getGauge() {
+        return gauge;
+    }
+
+    public void setGauge(Gauge gauge) {
+        this.gauge = gauge;
+    }
+
+    @OneToOne
+    @JoinColumn(name = "named_value_id")
+    public NamedMainValue getMainValue() {
+        return mainValue;
+    }
+
+    public void setMainValue(NamedMainValue mainValue) {
+        this.mainValue = mainValue;
+    }
+
+    @Column(name = "value") // FIXME: type mapping needed?
+    public BigDecimal getValue() {
+        return value;
+    }
+
+    public void setValue(BigDecimal value) {
+        this.value = value;
+    }
+
+    @OneToOne
+    @JoinColumn(name = "time_interval_id")
+    public TimeInterval getTimeInterval() {
+        return timeInterval;
+    }
+
+    public void setTimeInterval(TimeInterval timeInterval) {
+        this.timeInterval = timeInterval;
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :