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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;
    19
    20  import org.codehaus.activemq.message.WireFormat;
    21  import org.codehaus.activemq.transport.composite.CompositeTransportChannelFactory;
    22
    23  import javax.jms.JMSException;
    24  import java.net.URI;
    25
    26  /***
    27   * @version $Revision: 1.1 $
    28   */
    29  public abstract class DiscoveryTransportChannelFactorySupport extends CompositeTransportChannelFactory {
    30      private DiscoveryAgent discoveryAgent;
    31
    32      public TransportChannel create(WireFormat wireFormat, URI remoteLocation) throws JMSException {
    33          if (discoveryAgent == null) {
    34              discoveryAgent = createDiscoveryAgent(remoteLocation);
    35          }
    36          return new DiscoveryTransportChannel(wireFormat, discoveryAgent);
    37      }
    38
    39      public DiscoveryAgent getDiscoveryAgent() {
    40          return discoveryAgent;
    41      }
    42
    43      public void setDiscoveryAgent(DiscoveryAgent discoveryAgent) {
    44          this.discoveryAgent = discoveryAgent;
    45      }
    46
    47      protected abstract DiscoveryAgent createDiscoveryAgent(URI remoteLocation);
    48
    49  }