JDK14/Java14源码在线阅读

/*
 * Copyright (c) 1999, 2015, 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
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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 if specified attribute does not exist or cannot be retrieved
     * @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 if specified attribute does not exist or cannot be retrieved
     * @exception InvalidAttributeValueException if value specified is not valid for the attribute
     * @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.

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