/*
* 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.jpa.hibernate4.management;
import org.hibernate.stat.EntityStatistics;
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.as.jpa.spi.PersistenceUnitServiceRegistry;
import org.jboss.dmr.ModelNode;
/**
* Handles reads of entity metrics.
*
* @author Scott Marlow
*/
public abstract class EntityMetricsHandler extends AbstractRuntimeOnlyHandler {
private final PersistenceUnitServiceRegistry persistenceUnitRegistry;
private EntityMetricsHandler(PersistenceUnitServiceRegistry persistenceUnitRegistry) {
this.persistenceUnitRegistry = persistenceUnitRegistry;
}
@Override
protected void executeRuntimeStep(OperationContext context, ModelNode operation) throws OperationFailedException {
EntityStatistics statistics = entityStatistics(operation);
if (statistics != null) {
handle(statistics, context, operation.require(ModelDescriptionConstants.NAME).asString());
}
context.completeStep();
}
protected abstract void handle(EntityStatistics statistics, OperationContext context, String attributeName);
private EntityStatistics entityStatistics(ModelNode operation) {
final PathAddress address = PathAddress.pathAddress(operation.get(ModelDescriptionConstants.OP_ADDR));
final String puResourceName = address.getElement(address.size() - 2).getValue();
final String entityName = address.getLastElement().getValue();
ManagementLookup stats = ManagementLookup.create(persistenceUnitRegistry, puResourceName);
return stats == null ? null : stats.getStatistics().getEntityStatistics(entityName);
}
static final EntityMetricsHandler getDeleteCount(final PersistenceUnitServiceRegistry persistenceUnitRegistry) {
return new EntityMetricsHandler(persistenceUnitRegistry) {
@Override
protected void handle(EntityStatistics statistics, OperationContext context, String attributeName) {
long count = statistics.getDeleteCount();
context.getResult().set(count);
}
};
}
static final EntityMetricsHandler getInsertCount(final PersistenceUnitServiceRegistry persistenceUnitRegistry) {
return new EntityMetricsHandler(persistenceUnitRegistry) {
@Override
protected void handle(EntityStatistics statistics, OperationContext context, String attributeName) {
long count = statistics.getInsertCount();
context.getResult().set(count);
}
};
}
static final EntityMetricsHandler getLoadCount(final PersistenceUnitServiceRegistry persistenceUnitRegistry) {
return new EntityMetricsHandler(persistenceUnitRegistry) {
@Override
protected void handle(EntityStatistics statistics, OperationContext context, String attributeName) {
long count = statistics.getLoadCount();
context.getResult().set(count);
}
};
}
static final EntityMetricsHandler getUpdateCount(final PersistenceUnitServiceRegistry persistenceUnitRegistry) {
return new EntityMetricsHandler(persistenceUnitRegistry) {
@Override
protected void handle(EntityStatistics statistics, OperationContext context, String attributeName) {
long count = statistics.getUpdateCount();
context.getResult().set(count);
}
};
}
static final EntityMetricsHandler getFetchCount(final PersistenceUnitServiceRegistry persistenceUnitRegistry) {
return new EntityMetricsHandler(persistenceUnitRegistry) {
@Override
protected void handle(EntityStatistics statistics, OperationContext context, String attributeName) {
long count = statistics.getFetchCount();
context.getResult().set(count);
}
};
}
static final EntityMetricsHandler getOptimisticFailureCount(final PersistenceUnitServiceRegistry persistenceUnitRegistry) {
return new EntityMetricsHandler(persistenceUnitRegistry) {
@Override
protected void handle(EntityStatistics statistics, OperationContext context, String attributeName) {
long count = statistics.getOptimisticFailureCount();
context.getResult().set(count);
}
};
}
}