--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/src/share/classes/com/sun/jmx/mbeanserver/DynamicMBean2.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,77 @@
+/*
+ * Copyright 2005 Sun Microsystems, Inc.  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.  Sun designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+package com.sun.jmx.mbeanserver;
+
+import javax.management.DynamicMBean;
+import javax.management.MBeanServer;
+import javax.management.ObjectName;
+
+/**
+ * A dynamic MBean that wraps an underlying resource.  A version of this
+ * interface might eventually appear in the public JMX API.
+ *
+ * @since 1.6
+ */
+public interface DynamicMBean2 extends DynamicMBean {
+    /**
+     * The resource corresponding to this MBean.  This is the object whose
+     * class name should be reflected by the MBean's
+     * getMBeanInfo().getClassName() for example.  For a "plain"
+     * DynamicMBean it will be "this".  For an MBean that wraps another
+     * object, like javax.management.StandardMBean, it will be the wrapped
+     * object.
+     */
+    public Object getResource();
+
+    /**
+     * The name of this MBean's class, as used by permission checks.
+     * This is typically equal to getResource().getClass().getName().
+     * This method is typically faster, sometimes much faster,
+     * than getMBeanInfo().getClassName(), but should return the same
+     * result.
+     */
+    public String getClassName();
+
+    /**
+     * Additional registration hook.  This method is called after
+     * {@link javax.management.MBeanRegistration#preRegister preRegister}.
+     * Unlike that method, if it throws an exception and the MBean implements
+     * {@code MBeanRegistration}, then {@link
+     * javax.management.MBeanRegistration#postRegister postRegister(false)}
+     * will be called on the MBean.  This is the behavior that the MBean
+     * expects for a problem that does not come from its own preRegister
+     * method.
+     */
+    public void preRegister2(MBeanServer mbs, ObjectName name)
+            throws Exception;
+
+    /**
+     * Additional registration hook.  This method is called if preRegister
+     * and preRegister2 succeed, but then the MBean cannot be registered
+     * (for example because there is already another MBean of the same name).
+     */
+    public void registerFailed();
+}