package derms.util;

import java.time.Duration;
import java.util.concurrent.ExecutorService;
import java.util.concurrent.TimeUnit;
import java.util.logging.Logger;

public class ThreadPool {
    public static final Duration timeout = Duration.ofSeconds(1);

    public static void shutDown(ExecutorService pool, Logger log) {
        pool.shutdownNow();
        try {
            if (!pool.awaitTermination(timeout.toMillis(), TimeUnit.MILLISECONDS))
                log.warning("Thread pool did not terminate after " + timeout);
        } catch (InterruptedException e) {
            log.warning("Interrupted while terminating thread pool: " + e.getMessage());
            // Preserve interrupt status.
            Thread.currentThread().interrupt();
        }
    }
}