io.prometheus.metrics.exporter.httpserver.NamedDaemonThreadFactory Maven / Gradle / Ivy
package io.prometheus.metrics.exporter.httpserver;
import java.util.concurrent.Executors;
import java.util.concurrent.ThreadFactory;
import java.util.concurrent.atomic.AtomicInteger;
class NamedDaemonThreadFactory implements ThreadFactory {
private static final AtomicInteger POOL_NUMBER = new AtomicInteger(1);
private final int poolNumber = POOL_NUMBER.getAndIncrement();
private final AtomicInteger threadNumber = new AtomicInteger(1);
private final ThreadFactory delegate;
private final boolean daemon;
NamedDaemonThreadFactory(ThreadFactory delegate, boolean daemon) {
this.delegate = delegate;
this.daemon = daemon;
}
@Override
public Thread newThread(Runnable r) {
Thread t = delegate.newThread(r);
t.setName(String.format("prometheus-http-%d-%d", poolNumber, threadNumber.getAndIncrement()));
t.setDaemon(daemon);
return t;
}
static ThreadFactory defaultThreadFactory(boolean daemon) {
return new NamedDaemonThreadFactory(Executors.defaultThreadFactory(), daemon);
}
}