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* 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.deployment.processors;
import org.jboss.as.ee.component.ComponentConfiguration;
import org.jboss.as.ee.component.ComponentDescription;
import org.jboss.as.ee.component.EEModuleConfiguration;
import org.jboss.as.ejb3.component.messagedriven.MdbDeliveryControllerService;
import org.jboss.as.ejb3.component.messagedriven.MessageDrivenComponent;
import org.jboss.as.ejb3.component.messagedriven.MessageDrivenComponentDescription;
import org.jboss.as.ejb3.logging.EjbLogger;
import org.jboss.as.ejb3.subsystem.MdbDeliveryGroupResourceDefinition;
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.msc.service.Service;
import org.jboss.msc.service.ServiceBuilder;
import org.jboss.msc.service.ServiceController.Mode;
import org.jboss.msc.service.ServiceName;
import org.jboss.msc.service.ServiceRegistry;
import org.jboss.msc.service.ServiceTarget;
import static org.jboss.as.ee.component.Attachments.EE_MODULE_CONFIGURATION;
import static org.jboss.as.ejb3.subsystem.EJB3SubsystemRootResourceDefinition.CLUSTERED_SINGLETON_CAPABILITY;
/**
* MdbDeliveryDependencies DUP, creates an MdbDeliveryControllerService to enable/disable delivery according to that MDBs
* delivery group configuration, and according to whether the Mdb is clustered singleton or not.
*
* @author Flavia Rainone
*/
public class MdbDeliveryDependenciesProcessor implements DeploymentUnitProcessor {
@Override
public void deploy(DeploymentPhaseContext phaseContext) throws DeploymentUnitProcessingException {
final DeploymentUnit deploymentUnit = phaseContext.getDeploymentUnit();
final EEModuleConfiguration moduleConfiguration = deploymentUnit.getAttachment(EE_MODULE_CONFIGURATION);
if (moduleConfiguration == null) {
return;
}
final ServiceTarget serviceTarget = phaseContext.getServiceTarget();
boolean clusteredSingletonFound = false;
for (final ComponentConfiguration configuration : moduleConfiguration.getComponentConfigurations()) {
ComponentDescription description = configuration.getComponentDescription();
if (description instanceof MessageDrivenComponentDescription) {
final MessageDrivenComponentDescription mdbDescription = (MessageDrivenComponentDescription) description;
if (mdbDescription.isDeliveryControlled()) {
final MdbDeliveryControllerService mdbDeliveryControllerService = new MdbDeliveryControllerService();
final ServiceBuilder<MdbDeliveryControllerService> builder = serviceTarget
.addService(mdbDescription.getDeliveryControllerName(), mdbDeliveryControllerService)
.addDependency(description.getCreateServiceName(), MessageDrivenComponent.class,
mdbDeliveryControllerService.getMdbComponent())
.setInitialMode(Mode.PASSIVE);
if (mdbDescription.isClusteredSingleton()) {
clusteredSingletonFound = true;
builder.addDependency(CLUSTERED_SINGLETON_CAPABILITY.getCapabilityServiceName().append("primary"));
}
if (mdbDescription.getDeliveryGroup() != null) {
final ServiceName deliveyGroupServiceName = MdbDeliveryGroupResourceDefinition.getDeliveryGroupServiceName(
mdbDescription.getDeliveryGroup());
if (phaseContext.getServiceRegistry().getService(deliveyGroupServiceName) == null) {
throw EjbLogger.DEPLOYMENT_LOGGER.missingMdbDeliveryGroup(mdbDescription.getDeliveryGroup());
}
builder.addDependency(deliveyGroupServiceName);
}
builder.install();
}
}
}
if (clusteredSingletonFound) {
// trigger the start of the clustered singleton capability, since our service above is PASSIVE, and not ACTIVE
// (the MDB delivery controller won't demand the clustered singleton service to start)
serviceTarget.addService(createClusteredSingletonDemanderServiceName(deploymentUnit), Service.NULL)
.addDependency(CLUSTERED_SINGLETON_CAPABILITY.getCapabilityServiceName()).install();
}
}
@Override
public void undeploy(DeploymentUnit deploymentUnit) {
final EEModuleConfiguration moduleConfiguration = deploymentUnit.getAttachment(EE_MODULE_CONFIGURATION);
if (moduleConfiguration == null) {
return;
}
final ServiceRegistry serviceRegistry = deploymentUnit.getServiceRegistry();
boolean clusteredSingletonFound = false;
for (final ComponentConfiguration configuration : moduleConfiguration.getComponentConfigurations()) {
final ComponentDescription description = configuration.getComponentDescription();
if (description instanceof MessageDrivenComponentDescription) {
MessageDrivenComponentDescription mdbDescription = (MessageDrivenComponentDescription) description;
clusteredSingletonFound = clusteredSingletonFound || mdbDescription.isClusteredSingleton();
if (mdbDescription.isClusteredSingleton() || mdbDescription.getDeliveryGroup() != null) {
serviceRegistry.getRequiredService(mdbDescription.getDeliveryControllerName()).setMode(Mode.REMOVE);
}
}
}
if (clusteredSingletonFound) {
serviceRegistry.getRequiredService(createClusteredSingletonDemanderServiceName(deploymentUnit))
.setMode(Mode.REMOVE);
}
}
private ServiceName createClusteredSingletonDemanderServiceName(DeploymentUnit deploymentUnit) {
return deploymentUnit.getServiceName().append("clustered", "singleton", "dependency");
}
}