/*
* 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.clustering.infinispan.subsystem;
import org.infinispan.configuration.cache.Configuration;
import org.infinispan.server.infinispan.spi.service.CacheServiceName;
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.controller.SimpleAttributeDefinition;
import org.jboss.as.controller.descriptions.ModelDescriptionConstants;
import org.jboss.dmr.ModelNode;
import org.jboss.msc.service.ServiceController;
import org.jboss.msc.service.ServiceName;
import org.jboss.msc.service.ServiceRegistry;
/**
* RuntimeWriteAttributeHandler.
*
* @author Tristan Tarrant
* @since 8.1
*/
public class RuntimeCacheConfigurationWriteAttributeHandler extends AbstractWriteAttributeHandler<Void> {
private final RuntimeCacheConfigurationApplier applier;
private final SimpleAttributeDefinition attributeDef;
public RuntimeCacheConfigurationWriteAttributeHandler(SimpleAttributeDefinition attributeDef, RuntimeCacheConfigurationApplier applier) {
super(attributeDef);
this.attributeDef = attributeDef;
this.applier = applier;
}
@Override
protected boolean applyUpdateToRuntime(OperationContext context, ModelNode operation, String attributeName,
ModelNode newValue, ModelNode currentValue, HandbackHolder<Void> handbackHolder)
throws OperationFailedException {
final 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 {
final PathAddress address = PathAddress.pathAddress(operation.get(ModelDescriptionConstants.OP_ADDR));
final ServiceName serviceName = getParentServiceName(address);
final ServiceRegistry registry = context.getServiceRegistry(true);
ServiceController<?> sc = registry.getService(serviceName);
if (sc != null) {
CacheConfigurationService ccs = (CacheConfigurationService) sc.getService();
Configuration configuration = ccs.getValue();
ModelNode value = attributeDef.resolveModelAttribute(context, model);
applier.applyConfiguration(configuration, value);
}
}
@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);
applyModelToRuntime(context, operation, attributeName, restored);
}
protected ServiceName getParentServiceName(PathAddress parentAddress) {
int containerIndex = PathAddressUtils.indexOf(parentAddress, CacheContainerResource.CONTAINER_PATH);
String containerName = parentAddress.getElement(containerIndex).getValue();
String configurationName = parentAddress.getElement(containerIndex + 2).getValue();
return CacheServiceName.CONFIGURATION.getServiceName(containerName, configurationName);
}
}