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.udp;
  
  import java.io.IOException;
  import java.net.SocketAddress;
  
  import org.apache.activemq.command.Command;
  import org.apache.activemq.openwire.OpenWireFormat;
  import org.apache.activemq.transport.reliable.ReplayBuffer;
  import org.apache.activemq.util.IntSequenceGenerator;
  
  /**
   * 
   * 
   */
  public abstract class CommandChannelSupport implements CommandChannel {
  
      protected OpenWireFormat wireFormat;
      protected int datagramSize = 4 * 1024;
      protected SocketAddress targetAddress;
      protected SocketAddress replayAddress;
      protected final String name;
      protected final IntSequenceGenerator sequenceGenerator;
      protected DatagramHeaderMarshaller headerMarshaller;
      private ReplayBuffer replayBuffer;
  
      public CommandChannelSupport(UdpTransport transport, OpenWireFormat wireFormat, int datagramSize, SocketAddress targetAddress,
              DatagramHeaderMarshaller headerMarshaller) {
          this.wireFormat = wireFormat;
          this.datagramSize = datagramSize;
          this.targetAddress = targetAddress;
          this.headerMarshaller = headerMarshaller;
          this.name = transport.toString();
          this.sequenceGenerator = transport.getSequenceGenerator();
          this.replayAddress = targetAddress;
          if (sequenceGenerator == null) {
              throw new IllegalArgumentException("No sequenceGenerator on the given transport: " + transport);
          }
      }
      
      public void write(Command command) throws IOException {
          write(command, targetAddress);
      }
  
  
      // Properties
      // -------------------------------------------------------------------------
  
      public int getDatagramSize() {
          return datagramSize;
      }
  
      /**
       * Sets the default size of a datagram on the network.
       */
      public void setDatagramSize(int datagramSize) {
          this.datagramSize = datagramSize;
      }
  
      public SocketAddress getTargetAddress() {
          return targetAddress;
      }
  
      public void setTargetAddress(SocketAddress targetAddress) {
          this.targetAddress = targetAddress;
      }
  
      public SocketAddress getReplayAddress() {
          return replayAddress;
      }
  
      public void setReplayAddress(SocketAddress replayAddress) {
          this.replayAddress = replayAddress;
      }
  
      public String toString() {
          return "CommandChannel#" + name;
      }
  
      public DatagramHeaderMarshaller getHeaderMarshaller() {
          return headerMarshaller;
      }
  
      public void setHeaderMarshaller(DatagramHeaderMarshaller headerMarshaller) {
          this.headerMarshaller = headerMarshaller;
      }
  
      public ReplayBuffer getReplayBuffer() {
          return replayBuffer;
      }
  
      public void setReplayBuffer(ReplayBuffer replayBuffer) {
          this.replayBuffer = replayBuffer;
      }
  
  }
  