/*
* JBoss, Home of Professional Open Source.
* Copyright 2016, 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.controller;
import org.jboss.as.controller.capability.CapabilityServiceSupport;
import org.jboss.msc.service.ServiceBuilder;
import org.jboss.msc.service.ServiceController;
import org.jboss.msc.service.ServiceName;
import org.jboss.msc.service.ServiceTarget;
import org.jboss.msc.service.ValueService;
import org.wildfly.clustering.service.Builder;
import org.wildfly.clustering.service.InjectedValueDependency;
import org.wildfly.clustering.service.ValueDependency;
/**
* Similar to {@link org.wildfly.clustering.service.AliasServiceBuilder} but resolves {@link ServiceName} of dependent requirement during {@link #configure(CapabilityServiceSupport)}.
* @author Paul Ferraro
*/
public class BinaryRequirementAliasBuilder<T> implements CapabilityServiceBuilder<T> {
private final ServiceName name;
private final BinaryServiceNameFactory targetFactory;
private final String targetParent;
private final String targetChild;
private final Class<T> targetClass;
private volatile ValueDependency<T> dependency;
public BinaryRequirementAliasBuilder(ServiceName name, BinaryServiceNameFactory targetFactory, String targetParent, String targetChild, Class<T> targetClass) {
this.name = name;
this.targetFactory = targetFactory;
this.targetParent = targetParent;
this.targetChild = targetChild;
this.targetClass = targetClass;
}
@Override
public ServiceName getServiceName() {
return this.name;
}
@Override
public Builder<T> configure(CapabilityServiceSupport support) {
this.dependency = new InjectedValueDependency<>(this.targetFactory.getServiceName(support, this.targetParent, this.targetChild), this.targetClass);
return this;
}
@Override
public ServiceBuilder<T> build(ServiceTarget target) {
return this.dependency.register(target.addService(this.name, new ValueService<>(this.dependency)).setInitialMode(ServiceController.Mode.PASSIVE));
}
}