--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/java/de/intevation/lada/model/stammdaten/MmtMessgroessePK.java	Fri Jul 08 15:32:36 2016 +0200
@@ -0,0 +1,62 @@
+/* Copyright (C) 2013 by Bundesamt fuer Strahlenschutz
+ * Software engineering by Intevation GmbH
+ *
+ * This file is Free Software under the GNU GPL (v>=3)
+ * and comes with ABSOLUTELY NO WARRANTY! Check out
+ * the documentation coming with IMIS-Labordaten-Application for details.
+ */
+package de.intevation.lada.model.stammdaten;
+
+import java.io.Serializable;
+
+import javax.persistence.Column;
+import javax.persistence.Embeddable;
+
+
+@Embeddable
+public class MmtMessgroessePK implements Serializable{
+
+    private static final long serialVersionUID = 1L;
+
+    @Column(name="messgroesse_id")
+    private Integer messgroesseId;
+
+    @Column(name="mmt_id")
+    private String mmtId;
+
+    public MmtMessgroessePK() {
+    }
+    public Integer getMessgroessengruppeId() {
+        return this.messgroesseId;
+    }
+    public void setMessgroessengruppeId(Integer messgroesseId) {
+        this.messgroesseId = messgroesseId;
+    }
+    public String getMmtId() {
+        return this.mmtId;
+    }
+    public void setMmtId(String mmtId) {
+        this.mmtId = mmtId;
+    }
+
+    public boolean equals(Object other) {
+        if (this == other) {
+            return true;
+        }
+        if (!(other instanceof MmtMessgroessePK)) {
+            return false;
+        }
+        MmtMessgroessePK castOther = (MmtMessgroessePK)other;
+        return 
+            this.messgroesseId.equals(castOther.messgroesseId)
+            && this.mmtId.equals(castOther.mmtId);
+    }
+
+    public int hashCode() {
+        final int prime = 31;
+        int hash = 17;
+        hash = hash * prime + this.messgroesseId.hashCode();
+        hash = hash * prime + this.mmtId.hashCode();
+        return hash;
+    }
+}