OnJava8-Examples/concurrency/DaemonFromFactory.java
Bruce Eckel 49edcc8b17 reorg
2015-06-15 17:47:35 -07:00

41 lines
1.3 KiB
Java

//: concurrency/DaemonFromFactory.java
// ©2015 MindView LLC: see Copyright.txt
// Using a Thread Factory to create daemons.
import java.util.concurrent.*;
import com.mindviewinc.util.*;
import static com.mindviewinc.util.Print.*;
public class DaemonFromFactory implements Runnable {
@Override
public void run() {
try {
while(true) {
TimeUnit.MILLISECONDS.sleep(100);
print(Thread.currentThread() + " " + this);
}
} catch(InterruptedException e) {
print("Interrupted");
}
}
public static void main(String[] args) throws Exception {
ExecutorService exec = Executors.newCachedThreadPool(
new DaemonThreadFactory());
for(int i = 0; i < 10; i++)
exec.execute(new DaemonFromFactory());
print("All daemons started");
TimeUnit.MILLISECONDS.sleep(500); // Run for a while
}
} /* Output: (First 10 Lines)
All daemons started
Thread[Thread-7,5,main] DaemonFromFactory@e6b01c
Thread[Thread-5,5,main] DaemonFromFactory@58daee
Thread[Thread-8,5,main] DaemonFromFactory@196b6d3
Thread[Thread-4,5,main] DaemonFromFactory@122e705
Thread[Thread-9,5,main] DaemonFromFactory@15db0c6
Thread[Thread-1,5,main] DaemonFromFactory@103bc45
Thread[Thread-0,5,main] DaemonFromFactory@1e19df
Thread[Thread-3,5,main] DaemonFromFactory@963672
Thread[Thread-6,5,main] DaemonFromFactory@2f2043
...
*///:~