/*
* 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.txn.subsystem;
import java.util.EnumSet;
import java.util.HashMap;
import java.util.Map;
import com.arjuna.ats.arjuna.coordinator.TxStats;
import org.jboss.as.controller.AbstractRuntimeOnlyHandler;
import org.jboss.as.controller.AttributeDefinition;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.SimpleAttributeDefinition;
import org.jboss.as.controller.descriptions.ModelDescriptionConstants;
import org.jboss.as.controller.registry.ManagementResourceRegistration;
import org.jboss.as.txn.logging.TransactionLogger;
import org.jboss.dmr.ModelNode;
import org.jboss.dmr.ModelType;
/**
* Handler for transaction manager metrics
*
* @author Brian Stansberry (c) 2011 Red Hat Inc.
*/
public class TxStatsHandler extends AbstractRuntimeOnlyHandler {
public enum TxStat {
NUMBER_OF_TRANSACTIONS(new SimpleAttributeDefinition(CommonAttributes.NUMBER_OF_TRANSACTIONS, ModelType.LONG, true)),
NUMBER_OF_NESTED_TRANSACTIONS(new SimpleAttributeDefinition(CommonAttributes.NUMBER_OF_NESTED_TRANSACTIONS, ModelType.LONG, true)),
NUMBER_OF_HEURISTICS(new SimpleAttributeDefinition(CommonAttributes.NUMBER_OF_HEURISTICS, ModelType.LONG, true)),
NUMBER_OF_COMMITTED_TRANSACTIONS(new SimpleAttributeDefinition(CommonAttributes.NUMBER_OF_COMMITTED_TRANSACTIONS, ModelType.LONG, true)),
NUMBER_OF_ABORTED_TRANSACTIONS(new SimpleAttributeDefinition(CommonAttributes.NUMBER_OF_ABORTED_TRANSACTIONS, ModelType.LONG, true)),
NUMBER_OF_INFLIGHT_TRANSACTIONS(new SimpleAttributeDefinition(CommonAttributes.NUMBER_OF_INFLIGHT_TRANSACTIONS, ModelType.LONG, true)),
NUMBER_OF_TIMED_OUT_TRANSACTIONS(new SimpleAttributeDefinition(CommonAttributes.NUMBER_OF_TIMED_OUT_TRANSACTIONS, ModelType.LONG, true)),
NUMBER_OF_APPLICATION_ROLLBACKS(new SimpleAttributeDefinition(CommonAttributes.NUMBER_OF_APPLICATION_ROLLBACKS, ModelType.LONG, true)),
NUMBER_OF_RESOURCE_ROLLBACKS(new SimpleAttributeDefinition(CommonAttributes.NUMBER_OF_RESOURCE_ROLLBACKS, ModelType.LONG, true)),
NUMBER_OF_SYSTEM_ROLLBACKS(new SimpleAttributeDefinition(CommonAttributes.NUMBER_OF_SYSTEM_ROLLBACKS, ModelType.LONG, true)),
AVERAGE_COMMIT_TIME(new SimpleAttributeDefinition(CommonAttributes.AVERAGE_COMMIT_TIME, ModelType.LONG, true));
private static final Map<String, TxStat> MAP = new HashMap<String, TxStat>();
static {
for (TxStat stat : EnumSet.allOf(TxStat.class)) {
MAP.put(stat.toString(), stat);
}
}
final AttributeDefinition definition;
private TxStat(final AttributeDefinition definition) {
this.definition = definition;
}
@Override
public final String toString() {
return definition.getName();
}
public static synchronized TxStat getStat(final String stringForm) {
return MAP.get(stringForm);
}
}
public static final TxStatsHandler INSTANCE = new TxStatsHandler();
private final TxStats txStats = TxStats.getInstance();
private TxStatsHandler() {
}
@Override
protected void executeRuntimeStep(OperationContext context, ModelNode operation) throws OperationFailedException {
TxStat stat = TxStat.getStat(operation.require(ModelDescriptionConstants.NAME).asString());
if (stat == null) {
context.getFailureDescription().set(TransactionLogger.ROOT_LOGGER.unknownMetric(operation.require(ModelDescriptionConstants.NAME).asString()));
}
else {
ModelNode result = new ModelNode();
switch (stat) {
case NUMBER_OF_TRANSACTIONS:
result.set(txStats.getNumberOfTransactions());
break;
case NUMBER_OF_NESTED_TRANSACTIONS:
result.set(txStats.getNumberOfNestedTransactions());
break;
case NUMBER_OF_HEURISTICS:
result.set(txStats.getNumberOfHeuristics());
break;
case NUMBER_OF_COMMITTED_TRANSACTIONS:
result.set(txStats.getNumberOfCommittedTransactions());
break;
case NUMBER_OF_ABORTED_TRANSACTIONS:
result.set(txStats.getNumberOfAbortedTransactions());
break;
case NUMBER_OF_INFLIGHT_TRANSACTIONS:
result.set(txStats.getNumberOfInflightTransactions());
break;
case NUMBER_OF_TIMED_OUT_TRANSACTIONS:
result.set(txStats.getNumberOfTimedOutTransactions());
break;
case NUMBER_OF_APPLICATION_ROLLBACKS:
result.set(txStats.getNumberOfApplicationRollbacks());
break;
case NUMBER_OF_RESOURCE_ROLLBACKS:
result.set(txStats.getNumberOfResourceRollbacks());
break;
case NUMBER_OF_SYSTEM_ROLLBACKS:
result.set(txStats.getNumberOfSystemRollbacks());
break;
case AVERAGE_COMMIT_TIME:
result.set(txStats.getAverageCommitTime());
break;
default:
throw new IllegalStateException(TransactionLogger.ROOT_LOGGER.unknownMetric(stat));
}
context.getResult().set(result);
}
}
void registerMetrics(final ManagementResourceRegistration resourceRegistration) {
for (TxStat stat : TxStat.values()) {
resourceRegistration.registerMetric(stat.definition, this);
}
}
}