/*
* 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.connector.services.workmanager.statistics;
import java.util.Collections;
import java.util.Locale;
import java.util.Map;
import org.jboss.as.connector.dynamicresource.ClearWorkManagerStatisticsHandler;
import org.jboss.as.connector.subsystems.resourceadapters.CommonAttributes;
import org.jboss.as.connector.subsystems.resourceadapters.Constants;
import org.jboss.as.connector.subsystems.resourceadapters.WorkManagerRuntimeAttributeReadHandler;
import org.jboss.as.connector.subsystems.resourceadapters.WorkManagerRuntimeAttributeWriteHandler;
import org.jboss.as.controller.OperationStepHandler;
import org.jboss.as.controller.PathAddress;
import org.jboss.as.controller.PathElement;
import org.jboss.as.controller.ResourceBuilder;
import org.jboss.as.controller.SimpleAttributeDefinition;
import org.jboss.as.controller.descriptions.OverrideDescriptionProvider;
import org.jboss.as.controller.descriptions.StandardResourceDescriptionResolver;
import org.jboss.as.controller.registry.ManagementResourceRegistration;
import org.jboss.dmr.ModelNode;
import org.jboss.jca.core.api.workmanager.WorkManager;
import org.jboss.msc.inject.Injector;
import org.jboss.msc.service.Service;
import org.jboss.msc.service.StartContext;
import org.jboss.msc.service.StartException;
import org.jboss.msc.service.StopContext;
import org.jboss.msc.value.InjectedValue;
public class WorkManagerStatisticsService implements Service<ManagementResourceRegistration> {
private final ManagementResourceRegistration overrideRegistration;
private final boolean statsEnabled;
protected final InjectedValue<WorkManager> workManager = new InjectedValue<>();
/**
* create an instance *
*/
public WorkManagerStatisticsService(final ManagementResourceRegistration registration,
final String name,
final boolean statsEnabled) {
super();
if (registration.isAllowsOverride()) {
overrideRegistration = registration.registerOverrideModel(name, new OverrideDescriptionProvider() {
@Override
public Map<String, ModelNode> getAttributeOverrideDescriptions(Locale locale) {
return Collections.emptyMap();
}
@Override
public Map<String, ModelNode> getChildTypeOverrideDescriptions(Locale locale) {
return Collections.emptyMap();
}
});
} else {
overrideRegistration = registration;
}
this.statsEnabled = statsEnabled;
}
@Override
public void start(StartContext context) throws StartException {
synchronized (this) {
WorkManager wm = workManager.getValue();
wm.setStatisticsEnabled(statsEnabled);
if (wm.getStatistics() != null) {
PathElement peLocaldWm = PathElement.pathElement(Constants.STATISTICS_NAME, "local");
ResourceBuilder resourceBuilder = ResourceBuilder.Factory.create(peLocaldWm,
new StandardResourceDescriptionResolver(Constants.STATISTICS_NAME + "." + Constants.WORKMANAGER_NAME, CommonAttributes.RESOURCE_NAME, CommonAttributes.class.getClassLoader()));
ManagementResourceRegistration wmSubRegistration = overrideRegistration.registerSubModel(resourceBuilder.build());
OperationStepHandler metricHandler = new WorkManagerRuntimeAttributeReadHandler(wm, wm.getStatistics(), false);
for (SimpleAttributeDefinition metric : Constants.WORKMANAGER_METRICS) {
wmSubRegistration.registerMetric(metric, metricHandler);
}
OperationStepHandler readHandler = new WorkManagerRuntimeAttributeReadHandler(wm, wm.getStatistics(), false);
OperationStepHandler writeHandler = new WorkManagerRuntimeAttributeWriteHandler(wm, false, Constants.WORKMANAGER_RW_ATTRIBUTES);
for (SimpleAttributeDefinition attribute : Constants.WORKMANAGER_RW_ATTRIBUTES) {
wmSubRegistration.registerReadWriteAttribute(attribute, readHandler, writeHandler);
}
wmSubRegistration.registerOperationHandler(ClearWorkManagerStatisticsHandler.DEFINITION, new ClearWorkManagerStatisticsHandler(wm));
}
}
}
@Override
public void stop(StopContext context) {
PathElement peLocaldWm = PathElement.pathElement(Constants.STATISTICS_NAME, "local");
if (overrideRegistration.getSubModel(PathAddress.pathAddress(peLocaldWm)) != null)
overrideRegistration.unregisterSubModel(peLocaldWm);
}
@Override
public ManagementResourceRegistration getValue() throws IllegalStateException, IllegalArgumentException {
return overrideRegistration;
}
public Injector<WorkManager> getWorkManagerInjector() {
return workManager;
}
}