com.hazelcast.util.ThreadUtil Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2018, Hazelcast, Inc. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.hazelcast.util;
import static com.hazelcast.util.Preconditions.checkNotNull;
/**
* Utility class to manipulate and query thread ID.
*/
public final class ThreadUtil {
private static final ThreadLocal THREAD_LOCAL = new ThreadLocal();
private ThreadUtil() {
}
/**
* Get the thread ID.
*
* @return the thread ID
*/
public static long getThreadId() {
final Long threadId = THREAD_LOCAL.get();
if (threadId != null) {
return threadId;
}
return Thread.currentThread().getId();
}
/**
* Set the thread ID.
*
* @param threadId thread ID to set
*/
public static void setThreadId(long threadId) {
THREAD_LOCAL.set(threadId);
}
/**
* Remove the thread ID.
*/
public static void removeThreadId() {
THREAD_LOCAL.remove();
}
/**
* Creates the threadname with prefix and notation.
*
* @param hzName the name of the hazelcast instance
* @param name the basic name of the thread
* @return the threadname .
* @throws java.lang.NullPointerException if name is null.
*/
public static String createThreadName(String hzName, String name) {
checkNotNull(name, "name can't be null");
return "hz." + hzName + "." + name;
}
/**
* Creates the threadpool name with prefix and notation.
*
* @param hzName the name of the hazelcast instance
* @param poolName the name of the pool.
* @return the threadpool name.
* @throws java.lang.NullPointerException if poolname is null.
*/
public static String createThreadPoolName(String hzName, String poolName) {
return createThreadName(hzName, poolName) + ".thread-";
}
public static void assertRunningOnPartitionThread() {
assert Thread.currentThread().getName().contains("partition-operation");
}
}