messagedispatching.java

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/*
 * $Id: MessageDispatching.java 11079 2008-02-27 15:52:01Z tcarlson $
 * --------------------------------------------------------------------------------------
 * Copyright (c) MuleSource, Inc.  All rights reserved.  http://www.mulesource.com
 *
 * The software in this package is published under the terms of the CPAL v1.0
 * license, a copy of which has been included with this distribution in the
 * LICENSE.txt file.
 */

package org.mule.api.transport;

import org.mule.api.MuleEvent;
import org.mule.api.MuleMessage;

/**
 * Define generic methods for dispatching events.
 * The exact behaviour of the action is defined by the implementing class.
 * 
 * @see org.mule.api.endpoint.OutboundEndpoint
 * @see org.mule.api.transport.MessageDispatcher
 */
public interface MessageDispatching
{
    long RECEIVE_WAIT_INDEFINITELY = 0;
    long RECEIVE_NO_WAIT = -1;

    /**
     * Dispatches an event from the endpoint to the external system
     * 
     * @param event The event to dispatch
     * @throws DispatchException if the event fails to be dispatched
     */
    void dispatch(MuleEvent event) throws DispatchException;

    /**
     * Sends an event from the endpoint to the external system
     * 
     * @param event The event to send
     * @return event the response form the external system wrapped in a MuleEvent
     * @throws DispatchException if the event fails to be dispatched
     */
    MuleMessage send(MuleEvent event) throws DispatchException;

}