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* 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
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*/
package org.jboss.as.jpa.processor;
import org.jboss.as.jpa.classloader.JPADelegatingClassFileTransformer;
import org.jboss.as.jpa.config.Configuration;
import org.jboss.as.jpa.config.PersistenceUnitMetadataHolder;
import org.jboss.as.server.deployment.DeploymentPhaseContext;
import org.jboss.as.server.deployment.DeploymentUnit;
import org.jboss.as.server.deployment.DeploymentUnitProcessingException;
import org.jboss.as.server.deployment.DeploymentUnitProcessor;
import org.jboss.as.server.deployment.DeploymentUtils;
import org.jboss.as.server.deployment.module.DelegatingClassFileTransformer;
import org.jboss.as.server.deployment.module.ResourceRoot;
import org.jipijapa.plugin.spi.PersistenceUnitMetadata;
/**
* Deployment processor which ensures the persistence provider ClassFileTransformer are used.
*
* @author Scott Marlow
*/
public class JPAClassFileTransformerProcessor implements DeploymentUnitProcessor {
/**
* Add dependencies for modules required for JPA deployments
*/
public void deploy(DeploymentPhaseContext phaseContext) throws DeploymentUnitProcessingException {
final DeploymentUnit deploymentUnit = phaseContext.getDeploymentUnit();
setClassLoaderTransformer(deploymentUnit);
}
private void setClassLoaderTransformer(DeploymentUnit deploymentUnit) {
// (AS7-2233) each persistence unit can use a persistence provider, that might need
// to use ClassTransformers. Providers that need class transformers will add them
// during the call to CreateContainerEntityManagerFactory.
DelegatingClassFileTransformer transformer = deploymentUnit.getAttachment(DelegatingClassFileTransformer.ATTACHMENT_KEY);
if ( transformer != null) {
for (ResourceRoot resourceRoot : DeploymentUtils.allResourceRoots(deploymentUnit)) {
PersistenceUnitMetadataHolder holder = resourceRoot.getAttachment(PersistenceUnitMetadataHolder.PERSISTENCE_UNITS);
if (holder != null) {
for (PersistenceUnitMetadata pu : holder.getPersistenceUnits()) {
if (Configuration.needClassFileTransformer(pu)) {
transformer.addTransformer(new JPADelegatingClassFileTransformer(pu));
}
}
}
}
}
}
@Override
public void undeploy(DeploymentUnit context) {
}
}