--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/java.scripting/share/classes/javax/script/Invocable.java	Sun Aug 17 15:54:13 2014 +0100
@@ -0,0 +1,114 @@
+/*
+ * Copyright (c) 2005, 2013, 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 javax.script;
+
+/**
+ * The optional interface implemented by ScriptEngines whose methods allow the invocation of
+ * procedures in scripts that have previously been executed.
+ *
+ * @author  Mike Grogan
+ * @author  A. Sundararajan
+ * @since 1.6
+ */
+public interface Invocable  {
+    /**
+     * Calls a method on a script object compiled during a previous script execution,
+     * which is retained in the state of the <code>ScriptEngine</code>.
+     *
+     * @param name The name of the procedure to be called.
+     *
+     * @param thiz If the procedure is a member  of a class
+     * defined in the script and thiz is an instance of that class
+     * returned by a previous execution or invocation, the named method is
+     * called through that instance.
+     *
+     * @param args Arguments to pass to the procedure.  The rules for converting
+     * the arguments to scripting variables are implementation-specific.
+     *
+     * @return The value returned by the procedure.  The rules for converting the scripting
+     * variable returned by the script method to a Java Object are implementation-specific.
+     *
+     * @throws ScriptException if an error occurs during invocation of the method.
+     * @throws NoSuchMethodException if method with given name or matching argument types cannot be found.
+     * @throws NullPointerException if the method name is null.
+     * @throws IllegalArgumentException if the specified thiz is null or the specified Object is
+     * does not represent a scripting object.
+     */
+    public Object invokeMethod(Object thiz, String name, Object... args)
+        throws ScriptException, NoSuchMethodException;
+
+    /**
+     * Used to call top-level procedures and functions defined in scripts.
+     *
+     * @param name of the procedure or function to call
+     * @param args Arguments to pass to the procedure or function
+     * @return The value returned by the procedure or function
+     *
+     * @throws ScriptException if an error occurs during invocation of the method.
+     * @throws NoSuchMethodException if method with given name or matching argument types cannot be found.
+     * @throws NullPointerException if method name is null.
+     */
+     public Object invokeFunction(String name, Object... args)
+        throws ScriptException, NoSuchMethodException;
+
+
+     /**
+     * Returns an implementation of an interface using functions compiled in
+     * the interpreter. The methods of the interface
+     * may be implemented using the <code>invokeFunction</code> method.
+     *
+     * @param <T> the type of the interface to return
+     * @param clasz The <code>Class</code> object of the interface to return.
+     *
+     * @return An instance of requested interface - null if the requested interface is unavailable,
+     * i. e. if compiled functions in the <code>ScriptEngine</code> cannot be found matching
+     * the ones in the requested interface.
+     *
+     * @throws IllegalArgumentException if the specified <code>Class</code> object
+     * is null or is not an interface.
+     */
+    public <T> T getInterface(Class<T> clasz);
+
+    /**
+     * Returns an implementation of an interface using member functions of
+     * a scripting object compiled in the interpreter. The methods of the
+     * interface may be implemented using the <code>invokeMethod</code> method.
+     *
+     * @param <T> the type of the interface to return
+     * @param thiz The scripting object whose member functions are used to implement the methods of the interface.
+     * @param clasz The <code>Class</code> object of the interface to return.
+     *
+     * @return An instance of requested interface - null if the requested interface is unavailable,
+     * i. e. if compiled methods in the <code>ScriptEngine</code> cannot be found matching
+     * the ones in the requested interface.
+     *
+     * @throws IllegalArgumentException if the specified <code>Class</code> object
+     * is null or is not an interface, or if the specified Object is
+     * null or does not represent a scripting object.
+     */
+     public <T> T getInterface(Object thiz, Class<T> clasz);
+
+}