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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;
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.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.Service;
import org.jboss.msc.service.ServiceBuilder;
import org.jboss.msc.service.ServiceName;
import org.jboss.msc.service.StartContext;
import org.jboss.msc.service.StartException;
import org.jboss.msc.service.StopContext;
import org.jboss.msc.value.InjectedValue;
/**
* 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;
}
RegistractionService registractionService = new RegistractionService(module);
ServiceName registrationServiceName = deploymentUnit.getServiceName().append("ejb3","client-context","registration-service");
phaseContext.getServiceTarget().addService(registrationServiceName, registractionService)
.addDependency(getEJBClientContextServiceName(phaseContext), EJBClientContext.class, registractionService.ejbClientContextInjectedValue)
.addDependency(TCCLEJBClientContextSelectorService.TCCL_BASED_EJB_CLIENT_CONTEXT_SELECTOR_SERVICE_NAME, TCCLEJBClientContextSelectorService.class, registractionService.tcclEJBClientContextSelectorServiceController)
.install();
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 registration, which in turn implies a dependency on the context
for(final ComponentDescription component : moduleDescription.getComponentDescriptions()) {
component.addDependency(registrationServiceName, ServiceBuilder.DependencyType.REQUIRED);
}
}
@Override
public void undeploy(final DeploymentUnit deploymentUnit) {
}
private ServiceName getEJBClientContextServiceName(final DeploymentPhaseContext phaseContext) {
final DeploymentUnit deploymentUnit = phaseContext.getDeploymentUnit();
final DeploymentUnit parentDeploymentUnit = deploymentUnit.getParent();
// The top level parent deployment unit will have the attachment containing the EJB client context
// service name
ServiceName serviceName;
if (parentDeploymentUnit != null) {
serviceName = parentDeploymentUnit.getAttachment(EjbDeploymentAttachmentKeys.EJB_CLIENT_CONTEXT_SERVICE_NAME);
} else {
serviceName = deploymentUnit.getAttachment(EjbDeploymentAttachmentKeys.EJB_CLIENT_CONTEXT_SERVICE_NAME);
}
if (serviceName != null) {
return serviceName;
}
return DefaultEjbClientContextService.DEFAULT_SERVICE_NAME;
}
private static final class RegistractionService implements Service<Void> {
private final Module module;
final InjectedValue<TCCLEJBClientContextSelectorService> tcclEJBClientContextSelectorServiceController = new InjectedValue<>();
final InjectedValue<EJBClientContext> ejbClientContextInjectedValue = new InjectedValue<>();
private RegistractionService(Module module) {
this.module = module;
}
@Override
public void start(StartContext context) throws StartException {
final EJBClientContext ejbClientContext = ejbClientContextInjectedValue.getValue();
final TCCLEJBClientContextSelectorService tcclBasedEJBClientContextSelector = tcclEJBClientContextSelectorServiceController.getValue();
// associate the EJB client context with the deployment classloader
logger.debugf("Registering EJB client context %s for classloader %s", ejbClientContext, module.getClassLoader());
tcclBasedEJBClientContextSelector.registerEJBClientContext(ejbClientContext, module.getClassLoader());
}
@Override
public void stop(StopContext context) {
final TCCLEJBClientContextSelectorService tcclBasedEJBClientContextSelector = tcclEJBClientContextSelectorServiceController.getValue();
// de-associate the EJB client context with the deployment classloader
logger.debugf("unRegistering EJB client context for classloader %s", module.getClassLoader());
tcclBasedEJBClientContextSelector.unRegisterEJBClientContext(module.getClassLoader());
}
@Override
public Void getValue() throws IllegalStateException, IllegalArgumentException {
return null;
}
}
}