org.apache.logging.log4j.core.async.DaemonThreadFactory Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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 org.apache.logging.log4j.core.async;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.atomic.AtomicInteger;
import org.apache.logging.log4j.core.util.Log4jThread;
/**
* ThreadFactory that creates daemon threads for the async loggers.
*/
public class DaemonThreadFactory implements ThreadFactory {
private static final AtomicInteger THREAD_NUMBER = new AtomicInteger(1);
private final ThreadGroup group;
private final String threadNamePrefix;
public DaemonThreadFactory(final String threadNamePrefix) {
this.threadNamePrefix = threadNamePrefix;
final SecurityManager securityManager = System.getSecurityManager();
group = (securityManager != null) ? securityManager.getThreadGroup()
: Thread.currentThread().getThreadGroup();
}
@Override
public Thread newThread(final Runnable runnable) {
final Thread thread = new Log4jThread(group, runnable, threadNamePrefix
+ THREAD_NUMBER.getAndIncrement(), 0);
if (!thread.isDaemon()) {
thread.setDaemon(true);
}
if (thread.getPriority() != Thread.NORM_PRIORITY) {
thread.setPriority(Thread.NORM_PRIORITY);
}
return thread;
}
}