/*
* JBoss, Home of Professional Open Source
* Copyright 2013 Red Hat Inc. and/or its affiliates and other contributors
* as indicated by the @author tags. All rights reserved.
* See the copyright.txt in the distribution for a
* full listing of individual contributors.
*
* This copyrighted material is made available to anyone wishing to use,
* modify, copy, or redistribute it subject to the terms and conditions
* of the GNU Lesser General Public License, v. 2.1.
* This program is distributed in the hope that it will be useful, but WITHOUT A
* 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,
* v.2.1 along with this distribution; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301, USA.
*/
package org.jboss.as.clustering.infinispan.subsystem;
import static org.jboss.as.clustering.infinispan.InfinispanMessages.MESSAGES;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.OP_ADDR;
import static org.jboss.as.controller.descriptions.ModelDescriptionConstants.VALUE;
import org.infinispan.Cache;
import org.infinispan.factories.ComponentRegistry;
import org.infinispan.server.infinispan.SecurityActions;
import org.infinispan.topology.LocalTopologyManager;
import org.infinispan.topology.LocalTopologyManagerImpl;
import org.jboss.as.controller.AbstractRuntimeOnlyHandler;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.PathAddress;
import org.jboss.dmr.ModelNode;
import org.jboss.msc.service.ServiceController;
/**
* RebalancingAttributeHandler.
*
* @author Tristan Tarrant
* @since 5.3
*/
public class RebalancingAttributeHandler extends AbstractRuntimeOnlyHandler {
public static final RebalancingAttributeHandler INSTANCE = new RebalancingAttributeHandler();
@Override
public void executeRuntimeStep(OperationContext context, ModelNode operation) throws OperationFailedException {
final PathAddress address = PathAddress.pathAddress(operation.require(OP_ADDR));
final String cacheContainerName = address.getElement(address.size() - 2).getValue();
final String cacheName = address.getElement(address.size() - 1).getValue();
final ServiceController<?> controller = context.getServiceRegistry(false).getService(
CacheService.getServiceName(cacheContainerName, cacheName));
if (controller != null) {
Cache<?, ?> cache = (Cache<?, ?>) controller.getValue();
if (cache != null) {
ComponentRegistry registry = SecurityActions.getComponentRegistry(cache.getAdvancedCache());
LocalTopologyManagerImpl localTopologyManager = (LocalTopologyManagerImpl) registry
.getGlobalComponentRegistry().getComponent(LocalTopologyManager.class);
if (localTopologyManager != null) {
try {
if (operation.hasDefined(VALUE)) {
ModelNode newValue = operation.get(VALUE);
localTopologyManager.setRebalancingEnabled(newValue.asBoolean());
} else {
context.getResult().set(new ModelNode().set(localTopologyManager.isRebalancingEnabled()));
}
} catch (Exception e) {
throw new OperationFailedException(new ModelNode().set(MESSAGES.failedToInvokeOperation(e.getLocalizedMessage())));
}
}
}
}
context.stepCompleted();
}
}