OnJava8-Examples/threads/MoreTasksAfterShutdown.java
2016-07-22 14:45:35 -06:00

30 lines
966 B
Java

// threads/MoreTasksAfterShutdown.java
// (c)2016 MindView LLC: see Copyright.txt
// We make no guarantees that this code is fit for any purpose.
// Visit http://mindviewinc.com/Books/OnJava/ for more book information.
import java.util.concurrent.*;
public class MoreTasksAfterShutdown {
public static void main(String[] args)
throws InterruptedException {
ExecutorService exec =
Executors.newSingleThreadExecutor();
exec.execute(new SleepAndPrintTask(1));
exec.shutdown();
try {
exec.execute(new SleepAndPrintTask(99));
} catch(RejectedExecutionException e) {
System.out.println(e);
}
exec.awaitTermination(5, TimeUnit.SECONDS);
}
}
/* Output:
java.util.concurrent.RejectedExecutionException: Task
SleepAndPrintTask[99] rejected from
java.util.concurrent.ThreadPoolExecutor@25154f[Shutting
down, pool size = 1, active threads = 1, queued tasks = 0,
completed tasks = 0]
SleepAndPrintTask[1] pool-1-thread-1
*/