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* JBoss, Home of Professional Open Source.
* Copyright 2012, 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
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.as.ejb3.subsystem;
import org.jboss.as.controller.AbstractWriteAttributeHandler;
import org.jboss.as.controller.AttributeDefinition;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.ejb3.remote.LocalEjbReceiver;
import org.jboss.dmr.ModelNode;
import org.jboss.msc.service.ServiceBuilder;
import org.jboss.msc.service.ServiceController;
import org.jboss.msc.service.ServiceName;
import org.jboss.msc.service.ServiceRegistry;
import org.jboss.msc.service.ServiceTarget;
import org.jboss.msc.service.ValueInjectionService;
import java.util.List;
/**
* @author Jaikiran Pai
*/
class EJBRemoteInvocationPassByValueWriteHandler extends AbstractWriteAttributeHandler<Void> {
public static final EJBRemoteInvocationPassByValueWriteHandler INSTANCE = new EJBRemoteInvocationPassByValueWriteHandler(EJB3SubsystemRootResourceDefinition.PASS_BY_VALUE);
private final AttributeDefinition attributeDefinition;
private EJBRemoteInvocationPassByValueWriteHandler(final AttributeDefinition attributeDefinition) {
super(attributeDefinition);
this.attributeDefinition = attributeDefinition;
}
@Override
protected void validateResolvedValue(String attributeName, ModelNode value) throws OperationFailedException {
// we're going to validate using the AttributeDefinition in applyModelToRuntime, so don't bother here
}
@Override
protected boolean applyUpdateToRuntime(OperationContext context, ModelNode operation, String attributeName,
ModelNode resolvedValue, ModelNode currentValue, HandbackHolder<Void> handbackHolder) throws OperationFailedException {
final ModelNode model = context.readResource(PathAddress.EMPTY_ADDRESS).getModel();
updateDefaultLocalEJBReceiverService(context, model, null);
return false;
}
@Override
protected void revertUpdateToRuntime(OperationContext context, ModelNode operation, String attributeName,
ModelNode valueToRestore, ModelNode valueToRevert, Void handback) throws OperationFailedException {
final ModelNode restored = context.readResource(PathAddress.EMPTY_ADDRESS).getModel().clone();
restored.get(attributeName).set(valueToRestore);
updateDefaultLocalEJBReceiverService(context, restored, null);
}
void updateDefaultLocalEJBReceiverService(final OperationContext context, final ModelNode model, List<ServiceController<?>> newControllers) throws OperationFailedException {
final ModelNode passByValueModel = this.attributeDefinition.resolveModelAttribute(context, model);
final ServiceRegistry registry = context.getServiceRegistry(true);
final ServiceName localEJBReceiverServiceName;
if (passByValueModel.isDefined()) {
final boolean passByValue = passByValueModel.asBoolean(true);
if (passByValue) {
localEJBReceiverServiceName = LocalEjbReceiver.BY_VALUE_SERVICE_NAME;
} else {
localEJBReceiverServiceName = LocalEjbReceiver.BY_REFERENCE_SERVICE_NAME;
}
} else {
localEJBReceiverServiceName = LocalEjbReceiver.BY_VALUE_SERVICE_NAME;
}
// uninstall the existing default local EJB receiver service
final ServiceController<?> existingDefaultLocalEJBReceiverServiceController = registry.getService(LocalEjbReceiver.DEFAULT_LOCAL_EJB_RECEIVER_SERVICE_NAME);
if (existingDefaultLocalEJBReceiverServiceController != null) {
context.removeService(existingDefaultLocalEJBReceiverServiceController);
}
final ServiceTarget serviceTarget = context.getServiceTarget();
// now install the new default local EJB receiver service which points to a existing Local EJB receiver service
final ValueInjectionService<LocalEjbReceiver> newDefaultLocalEJBReceiverService = new ValueInjectionService<LocalEjbReceiver>();
final ServiceBuilder defaultLocalEJBReceiverServiceBuilder = serviceTarget.addService(LocalEjbReceiver.DEFAULT_LOCAL_EJB_RECEIVER_SERVICE_NAME, newDefaultLocalEJBReceiverService);
defaultLocalEJBReceiverServiceBuilder.addDependency(localEJBReceiverServiceName, LocalEjbReceiver.class, newDefaultLocalEJBReceiverService.getInjector());
// install the service
final ServiceController defaultLocalEJBReceiverServiceController = defaultLocalEJBReceiverServiceBuilder.install();
if (newControllers != null) {
newControllers.add(defaultLocalEJBReceiverServiceController);
}
}
}