/* Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 * 
 *   http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.qpid.nclient;

import java.nio.ByteBuffer;

import org.apache.qpid.transport.Header;
import org.apache.qpid.transport.MessageTransfer;

/**
 * Assembles message parts.
 * <p> The sequence of event for transferring a message is as follows:
 * <ul>
 * <li> messageHeaders
 * <li> n calls to addData
 * <li> messageReceived
 * </ul>
 * It is up to the implementation to assemble the message once the different parts
 * are transferred.
 */
public interface MessagePartListener
{

    /**
     * Inform the listener of the message transfer
     *
     * @param xfr the message transfer object
     */
    public void messageTransfer(MessageTransfer xfr);

}