/*
* JBoss, Home of Professional Open Source.
* Copyright 2011, 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.lock.impl;
import org.jboss.as.clustering.impl.ClusteringImplLogger;
import org.jboss.as.clustering.impl.CoreGroupCommunicationService;
import org.jboss.as.clustering.lock.SharedLocalYieldingClusterLockManager;
import org.jboss.msc.service.Service;
import org.jboss.msc.service.ServiceName;
import org.jboss.msc.service.StartContext;
import org.jboss.msc.service.StartException;
import org.jboss.msc.service.StopContext;
import org.jboss.msc.value.Value;
/**
* @author Paul Ferraro
*/
public class SharedLocalYieldingClusterLockManagerService implements Service<SharedLocalYieldingClusterLockManager> {
public static ServiceName getServiceName(String name) {
return CoreGroupCommunicationService.getServiceName(name).append("lock");
}
private final String name;
private final Value<CoreGroupCommunicationService> service;
private volatile SharedLocalYieldingClusterLockManager lockManager;
public SharedLocalYieldingClusterLockManagerService(String name, Value<CoreGroupCommunicationService> service) {
this.name = name;
this.service = service;
}
/**
* {@inheritDoc}
* @see org.jboss.msc.value.Value#getValue()
*/
@Override
public SharedLocalYieldingClusterLockManager getValue() throws IllegalStateException, IllegalArgumentException {
return this.lockManager;
}
@Override
public void start(StartContext context) throws StartException {
CoreGroupCommunicationService service = this.service.getValue();
this.lockManager = new SharedLocalYieldingClusterLockManager(this.name, service, service);
try {
this.lockManager.start();
} catch (Exception e) {
throw new StartException(e);
}
}
@Override
public void stop(StopContext context) {
if (this.lockManager != null) {
try {
this.lockManager.stop();
} catch (Exception e) {
ClusteringImplLogger.ROOT_LOGGER.lockManagerStopFailed(e);
}
}
}
}