/*
* JBoss, Home of Professional Open Source.
* Copyright 2010, 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.deployment.chain;
import org.jboss.as.deployment.unit.DeploymentUnitProcessor;
import org.jboss.msc.inject.InjectionException;
import org.jboss.msc.inject.Injector;
import org.jboss.msc.value.Value;
/**
* Injector used to allow a deployment processor to add itself to a deployment chain.
*
* Ex.
* DeploymentUnitProcessorService deploymentProcessorService = new DeploymentUnitProcessorService(new DeploymentProcessor());
* BatchServiceBuilder processorServiceBuilder = batchBuilder.addService(processorServiceBuilderName, deploymentProcessorService);
* processorServiceBuilder.addDependency(deploymentChainServiceName)
* .toInjector(new DeploymentChainProcessorInjector(deploymentProcessorService, 1000L));
*
* @author John E. Bailey
*/
public class DeploymentChainProcessorInjector <T extends DeploymentUnitProcessor> implements Injector<DeploymentChain> {
private final Value<T> deploymentUnitProcessorValue;
private final long priority;
private DeploymentChain deploymentChain;
public DeploymentChainProcessorInjector(final Value<T> deploymentUnitProcessorValue, final long priority) {
this.deploymentUnitProcessorValue = deploymentUnitProcessorValue;
this.priority = priority;
}
@Override
public void inject(final DeploymentChain deploymentChain) throws InjectionException {
final DeploymentUnitProcessor processor = deploymentUnitProcessorValue.getValue();
deploymentChain.addProcessor(processor, priority);
this.deploymentChain = deploymentChain;
}
@Override
public void uninject() {
final DeploymentUnitProcessor processor = deploymentUnitProcessorValue.getValue();
if(deploymentChain != null) {
deploymentChain.removeProcessor(processor, priority);
deploymentChain = null;
}
}
}