com.alipay.oceanbase.rpc.util.NamedThreadFactory Maven / Gradle / Ivy
/*-
* #%L
* OBKV Table Client Framework
* %%
* Copyright (C) 2021 OceanBase
* %%
* OBKV Table Client Framework is licensed under Mulan PSL v2.
* You can use this software according to the terms and conditions of the Mulan PSL v2.
* You may obtain a copy of Mulan PSL v2 at:
* http://license.coscl.org.cn/MulanPSL2
* THIS SOFTWARE IS PROVIDED ON AN "AS IS" BASIS, WITHOUT WARRANTIES OF ANY KIND,
* EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO NON-INFRINGEMENT,
* MERCHANTABILITY OR FIT FOR A PARTICULAR PURPOSE.
* See the Mulan PSL v2 for more details.
* #L%
*/
package com.alipay.oceanbase.rpc.util;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.atomic.AtomicInteger;
/**
* Thread factory to name the thread purposely
*/
public class NamedThreadFactory implements ThreadFactory {
private static final AtomicInteger poolNumber = new AtomicInteger(1);
private final AtomicInteger threadNumber = new AtomicInteger(1);
private final ThreadGroup group;
private final String namePrefix;
private final boolean isDaemon;
/**
* Named thread factory.
*/
public NamedThreadFactory() {
this("ThreadPool");
}
/**
* Named thread factory.
* @param name thread factory name
*/
public NamedThreadFactory(String name) {
this(name, false);
}
/**
* Named thread factory.
* @param preffix thread name prefix
* @param daemon is daemon
*/
public NamedThreadFactory(String preffix, boolean daemon) {
SecurityManager s = System.getSecurityManager();
group = (s != null) ? s.getThreadGroup() : Thread.currentThread().getThreadGroup();
namePrefix = preffix + "-" + poolNumber.getAndIncrement() + "-thread-";
isDaemon = daemon;
}
/**
* Create a thread.
* @see java.util.concurrent.ThreadFactory#newThread(java.lang.Runnable)
* @param r runnable task
* @return thread handle
*/
public Thread newThread(Runnable r) {
Thread t = new Thread(group, r, namePrefix + threadNumber.getAndIncrement(), 0);
t.setDaemon(isDaemon);
if (t.getPriority() != Thread.NORM_PRIORITY) {
t.setPriority(Thread.NORM_PRIORITY);
}
return t;
}
}