com.github.robozonky.common.async.RoboZonkyThreadFactory Maven / Gradle / Ivy
/*
* Copyright 2019 The RoboZonky Project
*
* 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.github.robozonky.common.async;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.atomic.AtomicInteger;
/**
* Thread factory giving threads RoboZonky-specific names, assigning them to RoboZonky-specific {@link ThreadGroup}s,
* marking them as daemon threads and assigning thread priorities as high as the {@link ThreadGroup} will allow
*/
final class RoboZonkyThreadFactory implements ThreadFactory {
private final AtomicInteger nextThreadNumber = new AtomicInteger(1);
private final ThreadGroup threadGroup;
public RoboZonkyThreadFactory(final ThreadGroup group) {
this.threadGroup = group;
}
@Override
public Thread newThread(final Runnable runnable) {
final String name = threadGroup.getName() + "-" + nextThreadNumber.getAndIncrement();
final Thread thread = new Thread(threadGroup, runnable, name);
thread.setPriority(Thread.MAX_PRIORITY); // the actual priority will be determined by the thread group
thread.setDaemon(true);
return thread;
}
}