/**
*
* Copyright 2004 Protique Ltd
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
**/
package org.codehaus.activemq.transport.jgroups;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.codehaus.activemq.message.WireFormat;
import org.codehaus.activemq.transport.TransportChannel;
import org.codehaus.activemq.transport.TransportChannelFactorySupport;
import org.codehaus.activemq.util.JMSExceptionHelper;
import org.jgroups.Channel;
import org.jgroups.ChannelException;
import org.jgroups.ChannelFactory;
import org.jgroups.JChannelFactory;
import javax.jms.JMSException;
import java.net.URI;
/**
* A JGroups implementation of a TransportChannelFactory
*
* @version $Revision: 1.5 $
*/
public class JGroupsTransportChannelFactory extends TransportChannelFactorySupport {
private static final Log log = LogFactory.getLog(JGroupsTransportChannelFactory.class);
private ChannelFactory channelFactory = new JChannelFactory();
private Object channelConfiguration;
private String channelName = "ActiveMQ";
public JGroupsTransportChannelFactory() {
}
public JGroupsTransportChannelFactory(ChannelFactory channelFactory, Object channelConfiguration, String channelName) {
this.channelFactory = channelFactory;
this.channelConfiguration = channelConfiguration;
this.channelName = channelName;
}
public TransportChannel create(WireFormat wireFormat, URI remoteLocation) throws JMSException {
try {
Channel channel = createChannel(remoteLocation);
channel.setOpt(Channel.AUTO_RECONNECT, Boolean.TRUE);
channel.connect(channelName);
return populateProperties(new JGroupsTransportChannel(wireFormat, channel, null), remoteLocation);
}
catch (ChannelException e) {
throw JMSExceptionHelper.newJMSException("Failed to construct JGroups Channel: " + e, e);
}
}
public TransportChannel create(WireFormat wireFormat, URI remoteLocation, URI localLocation) throws JMSException {
return create(wireFormat, remoteLocation);
}
public boolean requiresEmbeddedBroker() {
return true;
}
// Properties
//-------------------------------------------------------------------------
public ChannelFactory getChannelFactory() {
return channelFactory;
}
public void setChannelFactory(ChannelFactory channelFactory) {
this.channelFactory = channelFactory;
}
public Object getChannelConfiguration() {
return channelConfiguration;
}
public void setChannelConfiguration(Object channelConfiguration) {
this.channelConfiguration = channelConfiguration;
}
public String getChannelName() {
return channelName;
}
public void setChannelName(String channelName) {
this.channelName = channelName;
}
protected Channel createChannel(URI remoteLocation) throws ChannelException {
Object config = channelConfiguration;
if (config == null) {
// lets use the URI
String text = remoteLocation.getSchemeSpecificPart();
if (!text.equalsIgnoreCase("default")) {
config = text;
}
}
log.info("Configuring JGroups with: " + config);
return channelFactory.createChannel(config);
}
}