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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
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
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package org.jboss.as.ejb3.deployment.processors;
import org.jboss.as.ee.component.Attachments;
import org.jboss.as.ee.component.ComponentDescription;
import org.jboss.as.ee.component.EEModuleDescription;
import org.jboss.as.ejb3.deployment.EjbDeploymentAttachmentKeys;
import org.jboss.as.ejb3.remote.DefaultEjbClientContextService;
import org.jboss.as.ejb3.remote.DescriptorBasedEJBClientContextService;
import org.jboss.as.ejb3.remote.TCCLEJBClientContextSelectorService;
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.ejb.client.EJBClientContext;
import org.jboss.logging.Logger;
import org.jboss.modules.Module;
import org.jboss.msc.service.ServiceBuilder;
import org.jboss.msc.service.ServiceController;
import org.jboss.msc.service.ServiceName;
import org.jboss.msc.service.ServiceRegistry;
/**
* A deployment processor which associates the {@link EJBClientContext}, belonging to a deployment unit,
* with the deployment unit's classloader, so that the {@link org.jboss.as.ejb3.remote.TCCLEJBClientContextSelectorService} can then
* be used to return an appropriate {@link EJBClientContext} based on the classloader.
*
* @author Stuart Douglas
* @author Jaikiran Pai
*/
public class EjbClientContextSetupProcessor implements DeploymentUnitProcessor {
private static final Logger logger = Logger.getLogger(EjbClientContextSetupProcessor.class);
@Override
public void deploy(final DeploymentPhaseContext phaseContext) throws DeploymentUnitProcessingException {
final DeploymentUnit deploymentUnit = phaseContext.getDeploymentUnit();
final Module module = deploymentUnit.getAttachment(org.jboss.as.server.deployment.Attachments.MODULE);
if (module == null) {
return;
}
final EJBClientContext ejbClientContext = this.getEJBClientContext(phaseContext);
final ServiceController<TCCLEJBClientContextSelectorService> tcclEJBClientContextSelectorServiceController = (ServiceController<TCCLEJBClientContextSelectorService>) phaseContext.getServiceRegistry().getService(TCCLEJBClientContextSelectorService.TCCL_BASED_EJB_CLIENT_CONTEXT_SELECTOR_SERVICE_NAME);
if (tcclEJBClientContextSelectorServiceController != null) {
final TCCLEJBClientContextSelectorService tcclBasedEJBClientContextSelector = tcclEJBClientContextSelectorServiceController.getValue();
// associate the EJB client context with the deployment classloader
logger.debug("Registering EJB client context " + ejbClientContext + " for classloader " + module.getClassLoader());
tcclBasedEJBClientContextSelector.registerEJBClientContext(ejbClientContext, module.getClassLoader());
}
final EEModuleDescription moduleDescription = deploymentUnit.getAttachment(Attachments.EE_MODULE_DESCRIPTION);
if(moduleDescription == null) {
return;
}
//we need to make sure all our components have a dependency on the EJB client context
final ServiceName clientContextService = getEJBClientContextServiceName(phaseContext);
for(final ComponentDescription component : moduleDescription.getComponentDescriptions()) {
component.addDependency(clientContextService, ServiceBuilder.DependencyType.REQUIRED);
}
}
@Override
public void undeploy(final DeploymentUnit context) {
}
private EJBClientContext getEJBClientContext(final DeploymentPhaseContext phaseContext) {
final DeploymentUnit deploymentUnit = phaseContext.getDeploymentUnit();
final DeploymentUnit parentDeploymentUnit = deploymentUnit.getParent();
final EJBClientContext ejbClientContext;
// The top level parent deployment unit will have the attachment containing the EJB client context
// service name
if (parentDeploymentUnit != null) {
ejbClientContext = parentDeploymentUnit.getAttachment(EjbDeploymentAttachmentKeys.EJB_CLIENT_CONTEXT);
} else {
ejbClientContext = deploymentUnit.getAttachment(EjbDeploymentAttachmentKeys.EJB_CLIENT_CONTEXT);
}
if (ejbClientContext != null) {
return ejbClientContext;
}
logger.debug("Deployment unit " + deploymentUnit + " doesn't have any explicit EJB client context configured. " +
"Falling back on the default " + DefaultEjbClientContextService.DEFAULT_SERVICE_NAME + " EJB client context service");
final ServiceRegistry serviceRegistry = phaseContext.getServiceRegistry();
final ServiceController<EJBClientContext> ejbClientContextServiceController = (ServiceController<EJBClientContext>) serviceRegistry.getRequiredService(DefaultEjbClientContextService.DEFAULT_SERVICE_NAME);
return ejbClientContextServiceController.getValue();
}
private ServiceName getEJBClientContextServiceName(final DeploymentPhaseContext phaseContext) {
final DeploymentUnit deploymentUnit = phaseContext.getDeploymentUnit();
final DeploymentUnit parentDeploymentUnit = deploymentUnit.getParent();
final EJBClientContext ejbClientContext;
// The top level parent deployment unit will have the attachment containing the EJB client context
// service name
ServiceName serviceName;
if (parentDeploymentUnit != null) {
ejbClientContext = parentDeploymentUnit.getAttachment(EjbDeploymentAttachmentKeys.EJB_CLIENT_CONTEXT);
serviceName = DescriptorBasedEJBClientContextService.BASE_SERVICE_NAME.append(parentDeploymentUnit.getName());
} else {
ejbClientContext = deploymentUnit.getAttachment(EjbDeploymentAttachmentKeys.EJB_CLIENT_CONTEXT);
serviceName = DescriptorBasedEJBClientContextService.BASE_SERVICE_NAME.append(deploymentUnit.getName());
}
if (ejbClientContext != null) {
return serviceName;
}
return DefaultEjbClientContextService.DEFAULT_SERVICE_NAME;
}
}