001 /** 002 * 003 * Copyright 2004 Protique Ltd 004 * 005 * Licensed under the Apache License, Version 2.0 (the "License"); 006 * you may not use this file except in compliance with the License. 007 * 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 * 017 **/ 018 package org.activemq.transport.multicast; 019 020 import EDU.oswego.cs.dl.util.concurrent.SynchronizedBoolean; 021 import org.apache.commons.logging.Log; 022 import org.apache.commons.logging.LogFactory; 023 import org.activemq.io.WireFormat; 024 import org.activemq.transport.TransportServerChannelSupport; 025 026 import javax.jms.JMSException; 027 import java.net.URI; 028 029 /** 030 * A Multicast implementation of TransportServerChannel 031 * 032 * @version $Revision: 1.1.1.1 $ 033 */ 034 public class MulticastTransportServerChannel extends TransportServerChannelSupport { 035 036 private static final Log log = LogFactory.getLog(MulticastTransportServerChannel.class); 037 038 protected URI bindAddress; 039 private SynchronizedBoolean started; 040 041 public MulticastTransportServerChannel(WireFormat wireFormat, URI bindAddr) { 042 super(bindAddr); 043 this.bindAddress = bindAddr; 044 started = new SynchronizedBoolean(false); 045 log.info("ServerChannel at: " + bindAddress); 046 } 047 048 049 /** 050 * start listeneing for events 051 * 052 * @throws JMSException if an error occurs 053 */ 054 public void start() throws JMSException { 055 if (started.commit(false, true)) { 056 } 057 } 058 059 /** 060 * @return pretty print of this 061 */ 062 public String toString() { 063 return "MulticastTransportServerChannel@" + bindAddress; 064 } 065 }