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    1   /*
    2    * Copyright 2012 The Netty Project
    3    *
    4    * The Netty Project licenses this file to you under the Apache License,
    5    * version 2.0 (the "License"); you may not use this file except in compliance
    6    * with the License. You may obtain a copy of the License at:
    7    *
    8    *   http://www.apache.org/licenses/LICENSE-2.0
    9    *
    10   * Unless required by applicable law or agreed to in writing, software
    11   * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
    12   * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
    13   * License for the specific language governing permissions and limitations
    14   * under the License.
    15   */
    16  package org.jboss.netty.channel;
    17
    18  import java.net.SocketAddress;
    19
    20  /**
    21   * A {@link ChannelEvent} which represents the transmission or reception of a
    22   * message.  It can mean the notification of a received message or the request
    23   * for writing a message, depending on whether it is an upstream event or a
    24   * downstream event respectively.  Please refer to the {@link ChannelEvent}
    25   * documentation to find out what an upstream event and a downstream event are
    26   * and what fundamental differences they have.
    27   */
    28  public interface MessageEvent extends ChannelEvent {
    29
    30      /**
    31       * Returns the message.
    32       */
    33      Object getMessage();
    34
    35      /**
    36       * Returns the remote address of the message.
    37       */
    38      SocketAddress getRemoteAddress();
    39  }