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* Copyright 2015, 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.ejb3.clustering;
import org.jboss.msc.service.AbstractService;
import org.jboss.msc.service.Service;
import org.jboss.msc.service.ServiceController;
import org.jboss.msc.service.ServiceTarget;
import org.jboss.msc.service.StartContext;
import org.jboss.msc.service.StartException;
import org.jboss.msc.value.InjectedValue;
import org.wildfly.clustering.singleton.SingletonPolicy;
import static org.jboss.as.ejb3.subsystem.EJB3SubsystemRootResourceDefinition.CLUSTERED_SINGLETON_CAPABILITY;
/**
* Service that creates clustered singleton service at runtime, using a singleton policy capability service for that.
*
* @author Flavia Rainone
*/
public class ClusteredSingletonServiceCreator extends AbstractService<Void> {
private final InjectedValue<SingletonPolicy> singletonPolicy;
public ClusteredSingletonServiceCreator() {
this.singletonPolicy = new InjectedValue<>();
}
public InjectedValue<SingletonPolicy> getSingletonPolicy() {
return singletonPolicy;
}
@Override public void start(StartContext context) throws StartException {
final ServiceTarget target = context.getChildTarget();
final SingletonPolicy singletonPolicyValue = singletonPolicy.getValue();
singletonPolicyValue.createSingletonServiceBuilder(CLUSTERED_SINGLETON_CAPABILITY.getCapabilityServiceName(), Service.NULL)
.build(target)
.setInitialMode(ServiceController.Mode.ON_DEMAND)
.install();
}
}