org.apache.spark.launcher.NamedThreadFactory 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.spark.launcher;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.atomic.AtomicLong;
class NamedThreadFactory implements ThreadFactory {
private final String nameFormat;
private final AtomicLong threadIds;
NamedThreadFactory(String nameFormat) {
this.nameFormat = nameFormat;
this.threadIds = new AtomicLong();
}
@Override
public Thread newThread(Runnable r) {
Thread t = new Thread(r, String.format(nameFormat, threadIds.incrementAndGet()));
t.setDaemon(true);
return t;
}
}