org.jboss.as.ejb3.clustering.SingletonBarrierService Maven / Gradle / Ivy
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*
* 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
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*
* This software is distributed in the hope that it will be useful,
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* 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
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package org.jboss.as.ejb3.clustering;
import static org.jboss.as.ejb3.subsystem.EJB3SubsystemRootResourceDefinition.CLUSTERED_SINGLETON_CAPABILITY;
import java.util.function.Supplier;
import org.jboss.msc.Service;
import org.jboss.msc.service.ServiceName;
import org.jboss.msc.service.StartContext;
import org.jboss.msc.service.StopContext;
import org.wildfly.clustering.singleton.service.SingletonPolicy;
/**
* Service that installs a singleton service on service start using a singleton policy.
*
* @author Flavia Rainone
*/
public class SingletonBarrierService implements Service {
public static final ServiceName SERVICE_NAME = CLUSTERED_SINGLETON_CAPABILITY.getCapabilityServiceName().append("barrier");
private final Supplier policy;
public SingletonBarrierService(Supplier policy) {
this.policy = policy;
}
@Override
public void start(StartContext context) {
this.policy.get().createSingletonServiceConfigurator(CLUSTERED_SINGLETON_CAPABILITY.getCapabilityServiceName())
.build(context.getChildTarget())
.install();
}
@Override
public void stop(StopContext context) {
}
}