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}