/* * Copyright (c) 1999, 2003, 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.management;  /** * Defines the methods that should be implemented by * a Dynamic MBean (MBean that exposes a dynamic management interface). * * @since 1.5 */public interface DynamicMBean {      /**     * Obtain the value of a specific attribute of the Dynamic MBean.     *     * @param attribute The name of the attribute to be retrieved     *     * @return  The value of the attribute retrieved.     *     * @exception AttributeNotFoundException     * @exception MBeanException  Wraps a <CODE>java.lang.Exception</CODE> thrown by the MBean's getter.     * @exception ReflectionException  Wraps a <CODE>java.lang.Exception</CODE> thrown while trying to invoke the getter.     *     * @see #setAttribute     */    public Object getAttribute(String attribute) throws AttributeNotFoundException,        MBeanException, ReflectionException;     /**     * Set the value of a specific attribute of the Dynamic MBean.     *     * @param attribute The identification of the attribute to     * be set and  the value it is to be set to.     *     * @exception AttributeNotFoundException     * @exception InvalidAttributeValueException     * @exception MBeanException Wraps a <CODE>java.lang.Exception</CODE> thrown by the MBean's setter.     * @exception ReflectionException Wraps a <CODE>java.lang.Exception</CODE> thrown while trying to invoke the MBean's setter.     *     * @see #getAttribute     */    public void setAttribute(Attribute attribute) throws AttributeNotFoundException,        InvalidAttributeValueException, MBeanException, ReflectionException ;     /**     * Get the values of several attributes of the Dynamic MBean.     *     * @param attributes A list of the attributes to be retrieved.     *     * @return  The list of attributes retrieved.     *     * @see #setAttributes     */    public AttributeList getAttributes(String[] attributes);     /**     * Sets the values of several attributes of the Dynamic MBean.     *     * @param attributes A list of attributes: The identification of the     * attributes to be set and  the values they are to be set to.     *     * @return  The list of attributes that were set, with their new values.     *     * @see #getAttributes     */    public AttributeList setAttributes(AttributeList attributes);     /**     * Allows an action to be invoked on the Dynamic MBean.     *     * @param actionName The name of the action to be invoked.     * @param params An array containing the parameters to be set when the action is     * invoked.     * @param signature An array containing the signature of the action. The class objects will     * be loaded through the same class loader as the one used for loading the     * MBean on which the action is invoked.     *     * @return  The object returned by the action, which represents the result of     * invoking the action on the MBean specified.     *     * @exception MBeanException  Wraps a <CODE>java.lang.Exception</CODE> thrown by the MBean's invoked method.     * @exception ReflectionException  Wraps a <CODE>java.lang.Exception</CODE> thrown while trying to invoke the method     */    public Object invoke(String actionName, Object params[], String signature[])        throws MBeanException, ReflectionException ;     /**     * Provides the exposed attributes and actions of the Dynamic MBean using an MBeanInfo object.     *     * @return  An instance of <CODE>MBeanInfo</CODE> allowing all attributes and actions     * exposed by this Dynamic MBean to be retrieved.     *     */    public MBeanInfo getMBeanInfo();  }