/*
* JBoss, Home of Professional Open Source.
* Copyright 2014, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.clustering.jgroups.subsystem;
import static org.jboss.as.clustering.jgroups.logging.JGroupsLogger.ROOT_LOGGER;
import javax.management.MBeanServer;
import org.jboss.as.jmx.MBeanServerService;
import org.jboss.msc.service.Service;
import org.jboss.msc.service.ServiceBuilder;
import org.jboss.msc.service.ServiceName;
import org.jboss.msc.service.ServiceTarget;
import org.jboss.msc.service.StartContext;
import org.jboss.msc.service.StartException;
import org.jboss.msc.service.StopContext;
import org.jboss.msc.value.InjectedValue;
import org.jgroups.Channel;
import org.jgroups.JChannel;
import org.jgroups.jmx.JmxConfigurator;
/**
* Service that connects/disconnects a channel.
*
* @author Paul Ferraro
*/
public class ConnectedChannelService implements Service<Channel> {
public static ServiceName getServiceName(String channel) {
return ChannelService.getServiceName(channel).append("connector");
}
public static ServiceBuilder<Channel> build(ServiceTarget target, String channel) {
ConnectedChannelService service = new ConnectedChannelService(channel);
return target.addService(getServiceName(channel), service)
.addDependency(ChannelService.getServiceName(channel), Channel.class, service.channel)
.addDependency(MBeanServerService.SERVICE_NAME, MBeanServer.class, service.server)
;
}
private ConnectedChannelService(String cluster) {
this.cluster = cluster;
}
private final String cluster;
private final InjectedValue<Channel> channel = new InjectedValue<>();
private final InjectedValue<MBeanServer> server = new InjectedValue<>();
@Override
public Channel getValue() {
return this.channel.getValue();
}
@Override
public void start(StartContext context) throws StartException {
Channel channel = this.channel.getValue();
if (channel instanceof JChannel) {
try {
JmxConfigurator.registerChannel((JChannel) channel, this.server.getValue(), this.cluster);
} catch (Exception e) {
ROOT_LOGGER.debug(e.getMessage(), e);
}
}
try {
channel.connect(this.cluster);
} catch (Exception e) {
throw new StartException(e);
}
}
@Override
public void stop(StopContext context) {
Channel channel = this.channel.getValue();
channel.disconnect();
if (channel instanceof JChannel) {
try {
JmxConfigurator.unregisterChannel((JChannel) channel, this.server.getValue(), this.cluster);
} catch (Exception e) {
ROOT_LOGGER.debug(e.getMessage(), e);
}
}
}
}