/*
* 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.platform.mbean;
import java.lang.management.ManagementFactory;
import org.jboss.as.controller.OperationContext;
import org.jboss.as.controller.OperationFailedException;
import org.jboss.as.controller.descriptions.ModelDescriptionConstants;
import org.jboss.as.controller.operations.validation.ModelTypeValidator;
import org.jboss.as.controller.operations.validation.ParametersValidator;
import org.jboss.as.platform.mbean.logging.PlatformMBeanLogger;
import org.jboss.dmr.ModelNode;
import org.jboss.dmr.ModelType;
/**
* Handles read-attribute and write-attribute for the resource representing {@link java.lang.management.ThreadMXBean}.
*
* @author Brian Stansberry (c) 2011 Red Hat Inc.
*/
class ThreadMXBeanAttributeHandler extends AbstractPlatformMBeanAttributeHandler {
static final ThreadMXBeanAttributeHandler INSTANCE = new ThreadMXBeanAttributeHandler();
private final ParametersValidator enabledValidator = new ParametersValidator();
private ThreadMXBeanAttributeHandler() {
enabledValidator.registerValidator(ModelDescriptionConstants.VALUE, new ModelTypeValidator(ModelType.BOOLEAN));
}
@Override
protected void executeReadAttribute(OperationContext context, ModelNode operation) throws OperationFailedException {
final String name = operation.require(ModelDescriptionConstants.NAME).asString();
try {
if ((PlatformMBeanConstants.OBJECT_NAME.getName().equals(name))
|| ThreadResourceDefinition.THREADING_READ_ATTRIBUTES.contains(name)
|| ThreadResourceDefinition.THREADING_READ_WRITE_ATTRIBUTES.contains(name)
|| ThreadResourceDefinition.THREADING_METRICS.contains(name)) {
storeResult(name, context.getResult());
} else {
// Shouldn't happen; the global handler should reject
throw unknownAttribute(operation);
}
} catch (SecurityException | UnsupportedOperationException e) {
throw new OperationFailedException(e.toString());
}
}
@Override
protected void executeWriteAttribute(OperationContext context, ModelNode operation) throws OperationFailedException {
final String name = operation.require(ModelDescriptionConstants.NAME).asString();
try {
if (PlatformMBeanConstants.THREAD_CONTENTION_MONITORING_ENABLED.equals(name)) {
enabledValidator.validate(operation);
context.getServiceRegistry(true); //to trigger auth
ManagementFactory.getThreadMXBean().setThreadContentionMonitoringEnabled(operation.require(ModelDescriptionConstants.VALUE).asBoolean());
} else if (PlatformMBeanConstants.THREAD_CPU_TIME_ENABLED.equals(name)) {
enabledValidator.validate(operation);
context.getServiceRegistry(true); //to trigger auth
ManagementFactory.getThreadMXBean().setThreadCpuTimeEnabled(operation.require(ModelDescriptionConstants.VALUE).asBoolean());
} else if (ThreadResourceDefinition.THREADING_READ_WRITE_ATTRIBUTES.contains(name)) {
// Bug
throw PlatformMBeanLogger.ROOT_LOGGER.badWriteAttributeImpl(name);
} else {
// Shouldn't happen; the global handler should reject
throw unknownAttribute(operation);
}
} catch (SecurityException e) {
throw new OperationFailedException(e.toString());
} catch (UnsupportedOperationException e) {
throw new OperationFailedException(e.toString());
}
}
static void storeResult(final String name, final ModelNode store) {
if (PlatformMBeanConstants.OBJECT_NAME.getName().equals(name)) {
store.set(ManagementFactory.THREAD_MXBEAN_NAME);
} else if (PlatformMBeanConstants.THREAD_COUNT.equals(name)) {
store.set(ManagementFactory.getThreadMXBean().getThreadCount());
} else if (PlatformMBeanConstants.PEAK_THREAD_COUNT.equals(name)) {
store.set(ManagementFactory.getThreadMXBean().getPeakThreadCount());
} else if (PlatformMBeanConstants.TOTAL_STARTED_THREAD_COUNT.equals(name)) {
store.set(ManagementFactory.getThreadMXBean().getTotalStartedThreadCount());
} else if (PlatformMBeanConstants.DAEMON_THREAD_COUNT.equals(name)) {
store.set(ManagementFactory.getThreadMXBean().getDaemonThreadCount());
} else if (PlatformMBeanConstants.ALL_THREAD_IDS.equals(name)) {
store.setEmptyList();
for (Long id : ManagementFactory.getThreadMXBean().getAllThreadIds()) {
store.add(id);
}
} else if (PlatformMBeanConstants.THREAD_CONTENTION_MONITORING_SUPPORTED.equals(name)) {
store.set(ManagementFactory.getThreadMXBean().isThreadContentionMonitoringSupported());
} else if (PlatformMBeanConstants.THREAD_CONTENTION_MONITORING_ENABLED.equals(name)) {
store.set(ManagementFactory.getThreadMXBean().isThreadContentionMonitoringEnabled());
} else if (PlatformMBeanConstants.CURRENT_THREAD_CPU_TIME.equals(name)) {
store.set(ManagementFactory.getThreadMXBean().getCurrentThreadCpuTime());
} else if (PlatformMBeanConstants.CURRENT_THREAD_USER_TIME.equals(name)) {
store.set(ManagementFactory.getThreadMXBean().getCurrentThreadUserTime());
} else if (PlatformMBeanConstants.THREAD_CPU_TIME_SUPPORTED.equals(name)) {
store.set(ManagementFactory.getThreadMXBean().isThreadCpuTimeSupported());
} else if (PlatformMBeanConstants.CURRENT_THREAD_CPU_TIME_SUPPORTED.equals(name)) {
store.set(ManagementFactory.getThreadMXBean().isCurrentThreadCpuTimeSupported());
} else if (PlatformMBeanConstants.THREAD_CPU_TIME_ENABLED.equals(name)) {
store.set(ManagementFactory.getThreadMXBean().isThreadCpuTimeEnabled());
} else if (PlatformMBeanConstants.OBJECT_MONITOR_USAGE_SUPPORTED.equals(name)) {
store.set(ManagementFactory.getThreadMXBean().isObjectMonitorUsageSupported());
} else if (PlatformMBeanConstants.SYNCHRONIZER_USAGE_SUPPORTED.equals(name)) {
store.set(ManagementFactory.getThreadMXBean().isSynchronizerUsageSupported());
} else if (ThreadResourceDefinition.THREADING_READ_ATTRIBUTES.contains(name)
|| ThreadResourceDefinition.THREADING_READ_WRITE_ATTRIBUTES.contains(name)
|| ThreadResourceDefinition.THREADING_METRICS.contains(name)) {
// Bug
throw PlatformMBeanLogger.ROOT_LOGGER.badReadAttributeImpl(name);
}
}
}