--- a/flys-backend/src/main/java/de/intevation/flys/model/Range.java	Thu Mar 17 18:07:13 2011 +0000
+++ b/flys-backend/src/main/java/de/intevation/flys/model/Range.java	Fri Mar 18 12:10:33 2011 +0000
@@ -45,6 +45,19 @@
         this.id = id;
     }
 
+    public Range(Double a, Double b, River river) {
+        this(
+            a != null ? BigDecimal.valueOf(a) : null,
+            b != null ? BigDecimal.valueOf(b) : null,
+            river);
+    }
+
+    public Range(BigDecimal a, BigDecimal b, River river) {
+        this.a     = a;
+        this.b     = b;
+        this.river = river;
+    }
+
     @Column(name = "a") // FIXME: type mapping needed?
     public BigDecimal getA() {
         return a;
@@ -63,14 +76,14 @@
         this.b = b;
     }
 
+    @OneToOne
+    @JoinColumn(name = "river_id")
+    public River getRiver() {
+        return river;
+    }
+
     public void setRiver(River river) {
         this.river = river;
     }
-
-    @OneToOne
-    @JoinColumn(name = "id")
-    public River getRiver() {
-        return river;
-    }
 }
 // vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :