/*
* 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 java.util.concurrent.TimeUnit;
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.controller.descriptions.ModelDescriptionConstants;
import org.jboss.as.ejb3.cache.spi.BackingCacheEntryStoreConfig;
import org.jboss.as.ejb3.cache.spi.BackingCacheEntryStoreSourceService;
import org.jboss.dmr.ModelNode;
import org.jboss.msc.service.ServiceController;
import org.jboss.msc.service.ServiceName;
import org.jboss.msc.service.ServiceRegistry;
/**
* @author Paul Ferraro
*/
public abstract class PassivationStoreWriteHandler<S extends BackingCacheEntryStoreConfig> extends AbstractWriteAttributeHandler<Void> {
PassivationStoreWriteHandler(AttributeDefinition... attributes) {
super(attributes);
}
@Override
protected boolean applyUpdateToRuntime(OperationContext context, ModelNode operation, String attributeName, ModelNode newValue, ModelNode currentValue, HandbackHolder<Void> handbackHolder) throws OperationFailedException {
ModelNode model = context.readResource(PathAddress.EMPTY_ADDRESS).getModel();
applyModelToRuntime(context, operation, attributeName, model);
return false;
}
private void applyModelToRuntime(OperationContext context, ModelNode operation, String attributeName, ModelNode model) throws OperationFailedException {
String name = PathAddress.pathAddress(operation.get(ModelDescriptionConstants.OP_ADDR)).getLastElement().getValue();
ServiceName serviceName = BackingCacheEntryStoreSourceService.getServiceName(name);
ServiceRegistry registry = context.getServiceRegistry(true);
@SuppressWarnings("unchecked")
ServiceController<S> service = (ServiceController<S>) registry.getService(serviceName);
if (service != null) {
S config = service.getValue();
if (config != null) {
AttributeDefinition maxSizeDefinition = this.getMaxSizeDefinition();
if (maxSizeDefinition.getName().equals(attributeName)) {
int maxSize = maxSizeDefinition.resolveModelAttribute(context, model).asInt();
config.setMaxSize(maxSize);
} else if (PassivationStoreResourceDefinition.IDLE_TIMEOUT.getName().equals(attributeName)) {
long timeout = PassivationStoreResourceDefinition.IDLE_TIMEOUT.resolveModelAttribute(context, model).asLong();
config.setIdleTimeout(timeout);
} else if (PassivationStoreResourceDefinition.IDLE_TIMEOUT_UNIT.getName().equals(attributeName)) {
TimeUnit unit = TimeUnit.valueOf(PassivationStoreResourceDefinition.IDLE_TIMEOUT_UNIT.resolveModelAttribute(context, model).asString());
config.setIdleTimeoutUnit(unit);
} else {
this.apply(config, context, attributeName, model);
}
}
}
}
protected abstract AttributeDefinition getMaxSizeDefinition();
protected abstract void apply(S config, OperationContext context, String attributeName, ModelNode model) throws OperationFailedException;
@Override
protected void revertUpdateToRuntime(OperationContext context, ModelNode operation, String attributeName, ModelNode valueToRestore, ModelNode valueToRevert, Void handback) throws OperationFailedException {
ModelNode restored = context.readResource(PathAddress.EMPTY_ADDRESS).getModel().clone();
restored.get(attributeName).set(valueToRestore);
applyModelToRuntime(context, operation, attributeName, restored);
}
}