ThreadUtil.java
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- /*
- * JBoss, Home of Professional Open Source
- * Copyright 2006, Red Hat Middleware LLC, and individual contributors
- * as indicated by the @author tags.
- * See the copyright.txt in the distribution for a
- * full listing of individual contributors.
- * This copyrighted material is made available to anyone wishing to use,
- * modify, copy, or redistribute it subject to the terms and conditions
- * of the GNU Lesser General Public License, v. 2.1.
- * This program is distributed in the hope that it will be useful, but WITHOUT A
- * 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,
- * v.2.1 along with this distribution; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
- * MA 02110-1301, USA.
- *
- * (C) 2005-2006,
- * @author JBoss Inc.
- */
- package org.jboss.blacktie.jatmibroker.core.util;
- /**
- * Provides utilities to manage thread ids.
- */
- public class ThreadUtil {
- /**
- * The ID associated with the thread.
- */
- private static final ThreadLocal THREAD_ID = new ThreadLocal();
- /**
- * The thread id counter.
- */
- private static long id;
- /**
- * Get the string ID for the current thread.
- *
- * @return The thread id
- */
- public static String getThreadId() {
- return getThreadId(Thread.currentThread());
- }
- /**
- * Get the string ID for the specified thread.
- *
- * @param thread
- * The thread.
- * @return The thread id
- */
- public static String getThreadId(final Thread thread) {
- final Object id = THREAD_ID.get();
- if (id != null) {
- return (String) id;
- }
- final String newId = getNextId();
- THREAD_ID.set(newId);
- return newId;
- }
- /**
- * Get the next thread id to use.
- *
- * @return The next thread id.
- */
- private static synchronized String getNextId() {
- return "TSThread:" + Long.toHexString(++id);
- }
- }