001/**
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to You under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 *      http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.activemq.transport.udp;
018
019import java.io.IOException;
020import java.net.SocketAddress;
021
022import org.apache.activemq.Service;
023import org.apache.activemq.command.Command;
024import org.apache.activemq.transport.reliable.ReplayBuffer;
025import org.apache.activemq.transport.reliable.Replayer;
026
027/**
028 *
029 * 
030 */
031public interface CommandChannel extends Replayer, Service {
032
033    Command read() throws IOException;
034
035    void write(Command command, SocketAddress address) throws IOException;
036
037    int getDatagramSize();
038
039    /**
040     * Sets the default size of a datagram on the network.
041     */
042    void setDatagramSize(int datagramSize);
043
044    DatagramHeaderMarshaller getHeaderMarshaller();
045
046    void setHeaderMarshaller(DatagramHeaderMarshaller headerMarshaller);
047
048    void setTargetAddress(SocketAddress address);
049
050    void setReplayAddress(SocketAddress address);
051
052    void setReplayBuffer(ReplayBuffer replayBuffer);
053    
054    public int getReceiveCounter();
055
056}