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;
  
  /**
   * A pluggable strategy for how to deal with dropped packets.
   * 
   * 
   */
  public interface ReplayStrategy {
  
      /**
       * Deals with a dropped packet. 
       * 
       * @param transport the transport on which the packet was dropped
       * @param expectedCounter the expected command counter
       * @param actualCounter the actual command counter
       * @param nextAvailableCounter TODO
       * @return true if the command should be buffered or false if it should be discarded
       */
      boolean onDroppedPackets(ReliableTransport transport, int expectedCounter, int actualCounter, int nextAvailableCounter) throws IOException;
  
      void onReceivedPacket(ReliableTransport transport, long expectedCounter);
  
  }
  
  