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Java Management Extensions (JMX) technology provides the tools for building distributed, Web-based, modular and dynamic solutions for managing and monitoring devices, applications, and service-driven networks. By design, this standard is suitable for adapting legacy systems, implementing new management and monitoring solutions, and plugging into those of the future.

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/*
 * @(#)file      SynchroCallback.java
 * @(#)author    Sun Microsystems, Inc.
 * @(#)version   1.3
 * @(#)lastedit  07/03/08
 * @(#)build     @BUILD_TAG_PLACEHOLDER@
 *
 * 
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 * 
 * Copyright (c) 2007 Sun Microsystems, Inc. All Rights Reserved.
 * 
 * The contents of this file are subject to the terms of either the GNU General
 * Public License Version 2 only ("GPL") or the Common Development and
 * Distribution License("CDDL")(collectively, the "License"). You may not use
 * this file except in compliance with the License. You can obtain a copy of the
 * License at http://opendmk.dev.java.net/legal_notices/licenses.txt or in the 
 * LEGAL_NOTICES folder that accompanied this code. See the License for the 
 * specific language governing permissions and limitations under the License.
 * 
 * When distributing the software, include this License Header Notice in each
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 * or in the LEGAL_NOTICES folder that accompanied this code.
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 * accompanied this code.
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 * If applicable, add the following below the License Header, with the fields
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package com.sun.jmx.remote.generic;

import java.io.IOException;

import javax.management.remote.message.Message;
import javax.management.remote.generic.*;

/**
 * This interface specifies methods to call back a server to execute a remote request.
 */
public interface SynchroCallback {

    /**
     * Called when receiving a remote request.
     * If the return value is null, then an implementation does not need to send back this null value to the other side. This is the case when receiving messages sent by the sendOneWay method.
     * For example, a client will send CloseMessage using the sendOneWay method and a server receiving this message should return null.
     */
    public Message execute(Message request);

    /**
     * Called when an Exception occurs when reading a request sent by the peer or when writing the response to the recived request.
     */
    public void connectionException(Exception ie);
}