--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/flys-backend/src/main/java/de/intevation/flys/importer/IdValueKey.java	Sun May 08 17:55:49 2011 +0000
@@ -0,0 +1,59 @@
+package de.intevation.flys.importer;
+
+import de.intevation.flys.model.WstColumnValue;
+import de.intevation.flys.model.DischargeTableValue;
+
+
+public class IdValueKey {
+
+    protected int    id;
+    protected double a;
+    protected double b;
+
+
+    public IdValueKey(WstColumnValue value) {
+        this.id = value.getWstColumn().getId();
+        this.a  = value.getPosition().doubleValue();
+        this.b  = value.getW().doubleValue();
+    }
+
+    public IdValueKey(DischargeTableValue value) {
+        this.id = value.getDischargeTable().getId();
+        this.a  = value.getQ().doubleValue();
+        this.b  = value.getW().doubleValue();
+    }
+
+
+    public IdValueKey(int id, double a, double b) {
+        this.id = id;
+        this.a  = a;
+        this.b  = b;
+    }
+
+    private static final int hashDouble(double d) {
+        long v = Double.doubleToLongBits(d);
+        return (int)(v^(v>>>32));
+    }
+
+    public int hashCode() {
+        int a = id;
+        int b = hashDouble(a);
+        int c = hashDouble(b);
+
+        return (a | (b << 10) | (c << 20));
+    }
+
+
+    public boolean equals(Object obj) {
+        if (!(obj instanceof IdValueKey)) {
+            return false;
+        }
+
+        IdValueKey other = (IdValueKey) obj;
+
+        return id == other.id
+            && a  == other.a
+            && b  == other.b;
+    }
+}
+// vim:set ts=4 sw=4 si et sta sts=4 fenc=utf8 :