org.jboss.as.ejb3.subsystem.DefaultResourceAdapterWriteHandler Maven / Gradle / Ivy
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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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*
* This software is distributed in the hope that it will be useful,
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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.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.ejb3.component.messagedriven.DefaultResourceAdapterService;
import org.jboss.dmr.ModelNode;
import org.jboss.msc.service.ServiceController;
import org.jboss.msc.service.ServiceRegistry;
/**
* User: jpai
*/
public class DefaultResourceAdapterWriteHandler extends AbstractWriteAttributeHandler {
public static final DefaultResourceAdapterWriteHandler INSTANCE = new DefaultResourceAdapterWriteHandler();
private DefaultResourceAdapterWriteHandler() {
super(EJB3SubsystemRootResourceDefinition.DEFAULT_RESOURCE_ADAPTER_NAME);
}
@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();
updateDefaultAdapterService(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);
updateDefaultAdapterService(context, restored);
}
void updateDefaultAdapterService(final OperationContext context, final ModelNode model) throws OperationFailedException {
final ModelNode adapterNameNode = EJB3SubsystemRootResourceDefinition.DEFAULT_RESOURCE_ADAPTER_NAME.resolveModelAttribute(context, model);
final String adapterName = adapterNameNode.isDefined() ? adapterNameNode.asString() : null;
final ServiceRegistry serviceRegistry = context.getServiceRegistry(true);
ServiceController existingDefaultRANameService = (ServiceController) serviceRegistry.getService(DefaultResourceAdapterService.DEFAULT_RA_NAME_SERVICE_NAME);
// if a default RA name service is already installed then just update the resource adapter name
if (existingDefaultRANameService != null) {
existingDefaultRANameService.getValue().setResourceAdapterName(adapterName);
} else if (adapterName != null) {
// create a new one and install
final DefaultResourceAdapterService defaultResourceAdapterService = new DefaultResourceAdapterService(adapterName);
ServiceController newController =
context.getServiceTarget().addService(DefaultResourceAdapterService.DEFAULT_RA_NAME_SERVICE_NAME, defaultResourceAdapterService)
.install();
}
}
}