content: /**
   * 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.activemq.transport.reliable;
  
  import java.io.IOException;
  
  /**
   * This class keeps around a buffer of old commands which have been sent on
   * an unreliable transport. The buffers are of type Object as they could be datagrams
   * or byte[] or ByteBuffer - depending on the underlying transport implementation.
   * 
   * 
   */
  public interface ReplayBuffer {
  
      /**
       * Submit a buffer for caching around for a period of time, during which time it can be replayed
       * to users interested in it.
       */
      void addBuffer(int commandId, Object buffer);
      
      void setReplayBufferListener(ReplayBufferListener bufferPoolAdapter);
      
      void replayMessages(int fromCommandId, int toCommandId, Replayer replayer) throws IOException;
  }
  