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* Copyright 2014 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.controller.descriptions.ModelDescriptionConstants.OP_ADDR;
import org.infinispan.Cache;
import org.infinispan.interceptors.TxInterceptor;
import org.jboss.as.clustering.infinispan.InfinispanLogger;
import org.jboss.as.clustering.msc.ServiceContainerHelper;
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.as.controller.descriptions.ModelDescriptionConstants;
import org.jboss.dmr.ModelNode;
/**
* A handler for cache transaction metrics.
*
* @author Paul Ferraro
*/
public class TransactionMetricsHandler extends AbstractRuntimeOnlyHandler {
@Override
protected void executeRuntimeStep(OperationContext context, ModelNode operation) throws OperationFailedException {
// Address is of the form: /subsystem=infinispan/cache-container=*/*-cache=*/transaction=TRANSACTION
PathAddress address = PathAddress.pathAddress(operation.require(OP_ADDR));
String containerName = address.getElement(address.size() - 3).getValue();
String cacheName = address.getElement(address.size() - 2).getValue();
String name = operation.require(ModelDescriptionConstants.NAME).asString();
TransactionMetric metric = TransactionMetric.forName(name);
if (metric == null) {
context.getFailureDescription().set(InfinispanLogger.ROOT_LOGGER.unknownMetric(name));
} else {
Cache<?, ?> cache = ServiceContainerHelper.findValue(context.getServiceRegistry(false), CacheService.getServiceName(containerName, cacheName));
if (cache != null) {
TxInterceptor interceptor = CacheMetric.findInterceptor(cache, TxInterceptor.class);
context.getResult().set((interceptor != null) ? metric.getValue(interceptor) : new ModelNode(0));
}
}
context.completeStep(OperationContext.ResultHandler.NOOP_RESULT_HANDLER);
}
}