/jboss-as-7.1.1.Final/platform-mbean/src/main/java/org/jboss/as/platform/mbean/ThreadMXBeanThreadInfoHandler.java
Java | 83 lines | 46 code | 11 blank | 26 comment | 4 complexity | 1f95b027e4ac442f6864330b86b5048e MD5 | raw file
Possible License(s): LGPL-2.1, Apache-2.0
- /*
- * 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 java.lang.management.ThreadInfo;
- import java.lang.management.ThreadMXBean;
- import java.util.Locale;
- import org.jboss.as.controller.OperationContext;
- import org.jboss.as.controller.OperationFailedException;
- import org.jboss.as.controller.OperationStepHandler;
- import org.jboss.as.controller.descriptions.DescriptionProvider;
- import org.jboss.as.controller.operations.validation.IntRangeValidator;
- import org.jboss.as.controller.operations.validation.LongRangeValidator;
- import org.jboss.as.controller.operations.validation.ParametersValidator;
- import org.jboss.dmr.ModelNode;
- /**
- * Executes the {@link java.lang.management.ThreadMXBean} {@code getThreadInfo} methods that return a single thread id.
- *
- * @author Brian Stansberry (c) 2011 Red Hat Inc.
- */
- public class ThreadMXBeanThreadInfoHandler implements OperationStepHandler, DescriptionProvider {
- public static final ThreadMXBeanThreadInfoHandler INSTANCE = new ThreadMXBeanThreadInfoHandler();
- private final ParametersValidator validator = new ParametersValidator();
- private ThreadMXBeanThreadInfoHandler() {
- validator.registerValidator(PlatformMBeanConstants.ID, new LongRangeValidator(1));
- validator.registerValidator(PlatformMBeanConstants.MAX_DEPTH, new IntRangeValidator(1, Integer.MAX_VALUE, true, false));
- }
- @Override
- public void execute(OperationContext context, ModelNode operation) throws OperationFailedException {
- validator.validate(operation);
- ThreadMXBean mbean = ManagementFactory.getThreadMXBean();
- try {
- long id = operation.require(PlatformMBeanConstants.ID).asLong();
- ThreadInfo info;
- if (operation.hasDefined(PlatformMBeanConstants.MAX_DEPTH)) {
- info = mbean.getThreadInfo(id, operation.require(PlatformMBeanConstants.MAX_DEPTH).asInt());
- } else {
- info = mbean.getThreadInfo(id);
- }
- final ModelNode result = context.getResult();
- if (info != null) {
- result.set(PlatformMBeanUtil.getDetypedThreadInfo(info, mbean.isThreadCpuTimeSupported()));
- }
- } catch (SecurityException e) {
- throw new OperationFailedException(new ModelNode().set(e.toString()));
- }
- context.completeStep();
- }
- @Override
- public ModelNode getModelDescription(Locale locale) {
- return PlatformMBeanDescriptions.getGetThreadInfoDescription(locale);
- }
- }