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* by the @authors tag. See the copyright.txt 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.ejb3.deployment.processors.merging;
import java.lang.reflect.Method;
import java.util.List;
import java.util.Map;
import javax.ejb.AfterBegin;
import javax.ejb.AfterCompletion;
import javax.ejb.BeforeCompletion;
import javax.ejb.SessionSynchronization;
import org.jboss.as.ee.component.EEApplicationClasses;
import org.jboss.as.ee.metadata.MethodAnnotationAggregator;
import org.jboss.as.ee.metadata.RuntimeAnnotationInformation;
import org.jboss.as.ejb3.logging.EjbLogger;
import org.jboss.as.ejb3.component.stateful.StatefulComponentDescription;
import org.jboss.as.ejb3.deployment.processors.dd.MethodResolutionUtils;
import org.jboss.as.server.deployment.Attachments;
import org.jboss.as.server.deployment.DeploymentUnit;
import org.jboss.as.server.deployment.DeploymentUnitProcessingException;
import org.jboss.as.server.deployment.reflect.ClassReflectionIndex;
import org.jboss.as.server.deployment.reflect.DeploymentReflectionIndex;
import org.jboss.metadata.ejb.spec.SessionBean31MetaData;
import org.jboss.metadata.ejb.spec.SessionBeanMetaData;
/**
* Merging processor that handles session synchronization callback methods
*
* @author Stuart Douglas
*/
public class SessionSynchronizationMergingProcessor extends AbstractMergingProcessor<StatefulComponentDescription> {
public SessionSynchronizationMergingProcessor() {
super(StatefulComponentDescription.class);
}
@Override
protected void handleAnnotations(final DeploymentUnit deploymentUnit, final EEApplicationClasses applicationClasses, final DeploymentReflectionIndex deploymentReflectionIndex, final Class<?> componentClass, final StatefulComponentDescription description) throws DeploymentUnitProcessingException {
if (SessionSynchronization.class.isAssignableFrom(componentClass)) {
//handled in handleDeploymentDescriptor
return;
}
RuntimeAnnotationInformation<Boolean> afterBegin = MethodAnnotationAggregator.runtimeAnnotationInformation(componentClass, applicationClasses, deploymentReflectionIndex, AfterBegin.class);
if (afterBegin.getMethodAnnotations().size() > 1) {
throw EjbLogger.ROOT_LOGGER.multipleAnnotationsOnBean("@AfterBegin", description.getEJBClassName());
} else if (!afterBegin.getMethodAnnotations().isEmpty()) {
Map.Entry<Method, List<Boolean>> entry = afterBegin.getMethodAnnotations().entrySet().iterator().next();
description.setAfterBegin(entry.getKey());
}
RuntimeAnnotationInformation<Boolean> afterComp = MethodAnnotationAggregator.runtimeAnnotationInformation(componentClass, applicationClasses, deploymentReflectionIndex, AfterCompletion.class);
if (afterComp.getMethodAnnotations().size() > 1) {
throw EjbLogger.ROOT_LOGGER.multipleAnnotationsOnBean("@AfterCompletion", description.getEJBClassName());
} else if (!afterComp.getMethodAnnotations().isEmpty()) {
Map.Entry<Method, List<Boolean>> entry = afterComp.getMethodAnnotations().entrySet().iterator().next();
description.setAfterCompletion(entry.getKey());
}
RuntimeAnnotationInformation<Boolean> beforeComp = MethodAnnotationAggregator.runtimeAnnotationInformation(componentClass, applicationClasses, deploymentReflectionIndex, BeforeCompletion.class);
if (beforeComp.getMethodAnnotations().size() > 1) {
throw EjbLogger.ROOT_LOGGER.multipleAnnotationsOnBean("@BeforeCompletion", description.getEJBClassName());
} else if (!beforeComp.getMethodAnnotations().isEmpty()) {
Map.Entry<Method, List<Boolean>> entry = beforeComp.getMethodAnnotations().entrySet().iterator().next();
description.setBeforeCompletion(entry.getKey());
}
}
@Override
protected void handleDeploymentDescriptor(final DeploymentUnit deploymentUnit, final DeploymentReflectionIndex deploymentReflectionIndex, final Class<?> componentClass, final StatefulComponentDescription description) throws DeploymentUnitProcessingException {
final DeploymentReflectionIndex reflectionIndex = deploymentUnit.getAttachment(Attachments.REFLECTION_INDEX);
//if we implement SessionSynchronization we can ignore any DD information
if (SessionSynchronization.class.isAssignableFrom(componentClass)) {
final ClassReflectionIndex<SessionSynchronization> classIndex = reflectionIndex.getClassIndex(SessionSynchronization.class);
description.setAfterBegin(classIndex.getMethod(void.class, "afterBegin"));
description.setAfterCompletion(classIndex.getMethod(void.class, "afterCompletion", boolean.class));
description.setBeforeCompletion(classIndex.getMethod(void.class,"beforeCompletion"));
return;
}
SessionBeanMetaData data = description.getDescriptorData();
if (data instanceof SessionBean31MetaData) {
SessionBean31MetaData metaData = (SessionBean31MetaData) data;
if (metaData.getAfterBeginMethod() != null)
description.setAfterBegin(MethodResolutionUtils.resolveMethod(metaData.getAfterBeginMethod(), componentClass,reflectionIndex));
if (metaData.getAfterCompletionMethod() != null)
description.setAfterCompletion(MethodResolutionUtils.resolveMethod(metaData.getAfterCompletionMethod(), componentClass,reflectionIndex));
if (metaData.getBeforeCompletionMethod() != null)
description.setBeforeCompletion(MethodResolutionUtils.resolveMethod(metaData.getBeforeCompletionMethod(), componentClass,reflectionIndex));
}
}
}