--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/graal/com.oracle.truffle.api.interop/src/com/oracle/truffle/api/interop/Execute.java	Mon Jun 08 04:50:13 2015 +0200
@@ -0,0 +1,67 @@
+/*
+ * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.  Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package com.oracle.truffle.api.interop;
+
+final class Execute extends KnownMessage {
+    public static final int HASH1 = 423430;
+    public static final int HASH2 = 423429;
+
+    private final int arity;
+    private final boolean invoke;
+
+    public static Execute create(boolean invoke, int arity) {
+        return new Execute(invoke, arity);
+    }
+
+    private Execute(boolean invoke, int arity) {
+        this.invoke = invoke;
+        this.arity = arity;
+    }
+
+    public int getArity() {
+        return arity;
+    }
+
+    @Override
+    public boolean equals(Object message) {
+        if (!(message instanceof Execute)) {
+            return false;
+        }
+        Execute m1 = this;
+        Execute m2 = (Execute) message;
+        return m1.invoke == m2.invoke;
+    }
+
+    @Override
+    public int hashCode() {
+        return invoke ? HASH1 : HASH2;
+    }
+
+    @Override
+    public String toString() {
+        return invoke ? "msgInvoke" : "msgExecute";
+    }
+
+}