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/*
* JBoss, Home of Professional Open Source.
* Copyright 2011, 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.component.pool.PoolConfig;
import org.jboss.as.ejb3.component.pool.StrictMaxPoolConfigService;
import org.jboss.dmr.ModelNode;
import org.jboss.msc.service.ServiceController;
import org.jboss.msc.service.ServiceName;
import org.jboss.msc.service.ServiceRegistry;
import org.jboss.msc.service.ValueInjectionService;
/**
* User: jpai
*/
public class EJB3SubsystemDefaultPoolWriteHandler extends AbstractWriteAttributeHandler {
public static final EJB3SubsystemDefaultPoolWriteHandler MDB_POOL =
new EJB3SubsystemDefaultPoolWriteHandler(StrictMaxPoolConfigService.DEFAULT_MDB_POOL_CONFIG_SERVICE_NAME,
EJB3SubsystemRootResourceDefinition.DEFAULT_MDB_INSTANCE_POOL);
public static final EJB3SubsystemDefaultPoolWriteHandler SLSB_POOL =
new EJB3SubsystemDefaultPoolWriteHandler(StrictMaxPoolConfigService.DEFAULT_SLSB_POOL_CONFIG_SERVICE_NAME,
EJB3SubsystemRootResourceDefinition.DEFAULT_SLSB_INSTANCE_POOL);
public static final EJB3SubsystemDefaultPoolWriteHandler ENTITY_BEAN_POOL =
new EJB3SubsystemDefaultPoolWriteHandler(StrictMaxPoolConfigService.DEFAULT_ENTITY_POOL_CONFIG_SERVICE_NAME,
EJB3SubsystemRootResourceDefinition.DEFAULT_ENTITY_BEAN_INSTANCE_POOL);
private final ServiceName poolConfigServiceName;
private final AttributeDefinition poolAttribute;
public EJB3SubsystemDefaultPoolWriteHandler(ServiceName poolConfigServiceName, AttributeDefinition poolAttribute) {
super(poolAttribute);
this.poolConfigServiceName = poolConfigServiceName;
this.poolAttribute = poolAttribute;
}
@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();
updatePoolService(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);
updatePoolService(context, restored);
}
void updatePoolService(final OperationContext context, final ModelNode model) throws OperationFailedException {
final ModelNode poolName = poolAttribute.resolveModelAttribute(context, model);
final ServiceRegistry serviceRegistry = context.getServiceRegistry(true);
ServiceController existingDefaultPoolConfigService = serviceRegistry.getService(poolConfigServiceName);
// if a default MDB pool is already installed, then remove it first
if (existingDefaultPoolConfigService != null) {
context.removeService(existingDefaultPoolConfigService);
}
if (poolName.isDefined()) {
// now install default pool config service which points to an existing pool config service
final ValueInjectionService newDefaultPoolConfigService = new ValueInjectionService();
ServiceController newController =
context.getServiceTarget().addService(poolConfigServiceName, newDefaultPoolConfigService)
.addDependency(StrictMaxPoolConfigService.EJB_POOL_CONFIG_BASE_SERVICE_NAME.append(poolName.asString()),
PoolConfig.class, newDefaultPoolConfigService.getInjector())
.install();
}
}
}
