net.luminis.quic.concurrent.DaemonThreadFactory Maven / Gradle / Ivy

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/*
 * Copyright © 2019, 2020, 2021, 2022, 2023, 2024 Peter Doornbosch
 *
 * This file is part of Kwik, an implementation of the QUIC protocol in Java.
 *
 * Kwik is free software: you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the
 * Free Software Foundation, either version 3 of the License, or (at your option)
 * any later version.
 *
 * Kwik is distributed in the hope that it will be useful, but
 * WITHOUT ANY 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
 * along with this program. If not, see .
 */
package net.luminis.quic.concurrent;


import java.util.concurrent.ThreadFactory;
import java.util.concurrent.atomic.AtomicInteger;

/**
 * Creates daemon threads. Java's default thread factory used in executors creates non-daemon threads that
 * prevent JVM from shutting down.
 */
public class DaemonThreadFactory implements ThreadFactory {

    private final String threadBaseName;
    private final AtomicInteger threadNumber = new AtomicInteger(1);

    public DaemonThreadFactory(String threadBaseName) {
        this.threadBaseName = threadBaseName;
    }

    @Override
    public Thread newThread(Runnable runnable) {
        Thread thread = new Thread(runnable, threadBaseName + "-" + threadNumber.getAndIncrement());
        thread.setDaemon(true);
        return thread;
    }
}