org.jboss.as.ejb3.subsystem.EJBRemoteInvocationPassByValueWriteHandler Maven / Gradle / Ivy
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* as indicated by the @author tags. See the copyright.txt file in the
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*
* 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
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*
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
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* License along with this software; if not, write to the Free
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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.LocalTransportProvider;
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;
/**
* @author Jaikiran Pai
*/
class EJBRemoteInvocationPassByValueWriteHandler extends AbstractWriteAttributeHandler {
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 boolean applyUpdateToRuntime(OperationContext context, ModelNode operation, String attributeName,
ModelNode resolvedValue, ModelNode currentValue, HandbackHolder handbackHolder) throws OperationFailedException {
final ModelNode model = context.readResource(PathAddress.EMPTY_ADDRESS).getModel();
updateDefaultLocalEJBReceiverService(context, model);
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);
}
void updateDefaultLocalEJBReceiverService(final OperationContext context, final ModelNode model) throws OperationFailedException {
final ModelNode passByValueModel = this.attributeDefinition.resolveModelAttribute(context, model);
final ServiceRegistry registry = context.getServiceRegistry(true);
final ServiceName localTransportProviderServiceName;
if (passByValueModel.isDefined()) {
final boolean passByValue = passByValueModel.asBoolean(true);
if (passByValue) {
localTransportProviderServiceName = LocalTransportProvider.BY_VALUE_SERVICE_NAME;
} else {
localTransportProviderServiceName = LocalTransportProvider.BY_REFERENCE_SERVICE_NAME;
}
} else {
localTransportProviderServiceName = LocalTransportProvider.BY_VALUE_SERVICE_NAME;
}
// uninstall the existing default local EJB receiver service
final ServiceController existingDefaultLocalEJBReceiverServiceController = registry.getService(LocalTransportProvider.DEFAULT_LOCAL_TRANSPORT_PROVIDER_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 an existing Local EJB receiver service
final ValueInjectionService newDefaultLocalTransportProviderService = new ValueInjectionService();
final ServiceBuilder defaultLocalEJBReceiverServiceBuilder = serviceTarget.addService(LocalTransportProvider.DEFAULT_LOCAL_TRANSPORT_PROVIDER_SERVICE_NAME, newDefaultLocalTransportProviderService);
defaultLocalEJBReceiverServiceBuilder.addDependency(localTransportProviderServiceName, LocalTransportProvider.class, newDefaultLocalTransportProviderService.getInjector());
// install the service
defaultLocalEJBReceiverServiceBuilder.install();
}
}