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    1   /***
    2    *
    3    * Copyright 2004 Protique Ltd
    4    *
    5    * Licensed under the Apache License, Version 2.0 (the "License");
    6    * you may not use this file except in compliance with the License.
    7    * You may obtain a copy of the License at
    8    *
    9    * http://www.apache.org/licenses/LICENSE-2.0
    10   *
    11   * Unless required by applicable law or agreed to in writing, software
    12   * distributed under the License is distributed on an "AS IS" BASIS,
    13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    14   * See the License for the specific language governing permissions and
    15   * limitations under the License.
    16   *
    17   **/
    18  package org.codehaus.activemq.transport.multicast;
    19
    20  import EDU.oswego.cs.dl.util.concurrent.SynchronizedBoolean;
    21  import org.apache.commons.logging.Log;
    22  import org.apache.commons.logging.LogFactory;
    23  import org.codehaus.activemq.message.WireFormat;
    24  import org.codehaus.activemq.transport.TransportServerChannelSupport;
    25
    26  import javax.jms.JMSException;
    27  import java.net.URI;
    28
    29  /***
    30   * A Multicast implementation of TransportServerChannel
    31   *
    32   * @version $Revision: 1.13 $
    33   */
    34  public class MulticastTransportServerChannel extends TransportServerChannelSupport {
    35
    36      private static final Log log = LogFactory.getLog(MulticastTransportServerChannel.class);
    37
    38      protected URI bindAddress;
    39      private SynchronizedBoolean started;
    40
    41      public MulticastTransportServerChannel(WireFormat wireFormat, URI bindAddr) {
    42          super(bindAddr);
    43          this.bindAddress = bindAddr;
    44          started = new SynchronizedBoolean(false);
    45          log.info("ServerChannel at: " + bindAddress);
    46      }
    47
    48
    49      /***
    50       * start listeneing for events
    51       *
    52       * @throws JMSException if an error occurs
    53       */
    54      public void start() throws JMSException {
    55          if (started.commit(false, true)) {
    56          }
    57      }
    58
    59      /***
    60       * @return pretty print of this
    61       */
    62      public String toString() {
    63          return "MulticastTransportServerChannel@" + bindAddress;
    64      }
    65  }