diff -r 000000000000 -r 373ffda63c9a src/share/jaxws_classes/com/sun/xml/internal/bind/CycleRecoverable.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/share/jaxws_classes/com/sun/xml/internal/bind/CycleRecoverable.java	Wed Apr 27 01:27:09 2016 +0800
@@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 1997, 2011, 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.sun.xml.internal.bind;
+
+import javax.xml.bind.Marshaller;
+
+/**
+ * Optional interface that can be implemented by JAXB-bound objects
+ * to handle cycles in the object graph.
+ *
+ * <p>
+ * As discussed in <a href="https://jaxb.dev.java.net/guide/Mapping_cyclic_references_to_XML.html">
+ * the users' guide</a>, normally a cycle in the object graph causes the marshaller to report an error,
+ * and when an error is found, the JAXB RI recovers by cutting the cycle arbitrarily.
+ * This is not always a desired behavior.
+ *
+ * <p>
+ * Implementing this interface allows user application to change this behavior.
+ * Also see <a href="http://forums.java.net/jive/thread.jspa?threadID=13670">this related discussion</a>.
+ *
+ * @since JAXB 2.1 EA2
+ * @author Kohsuke Kawaguchi
+ */
+public interface CycleRecoverable {
+    /**
+     * Called when a cycle is detected by the JAXB RI marshaller
+     * to nominate a new object to be marshalled instead.
+     *
+     * @param context
+     *      This object is provided by the JAXB RI to inform
+     *      the object about the marshalling process that's going on.
+     *
+     *
+     * @return
+     *      the object to be marshalled instead of <tt>this</tt> object.
+     *      Or return null to indicate that the JAXB RI should behave
+     *      just like when your object does not implement {@link CycleRecoverable}
+     *      (IOW, cut the cycle arbitrarily and try to go on.)
+     */
+    Object onCycleDetected(Context context);
+
+    /**
+     * This interface is implemented by the JAXB RI to provide
+     * information about the on-going marshalling process.
+     *
+     * <p>
+     * We may add more methods in the future, so please do not
+     * implement this interface in your application.
+     */
+    public interface Context {
+        /**
+         * Returns the marshaller object that's doing the marshalling.
+         *
+         * @return
+         *      always non-null.
+         */
+        Marshaller getMarshaller();
+    }
+}