Probando PriorityBlockingQueue en ThreadPoolExecutor
Me di cuenta de mi ThreadPoolExecutor con PriorityBlockingQueue como en este ejemplo:https://stackoverflow.com/a/12722648/2206775
y escribió una prueba:
PriorityExecutor executorService = (PriorityExecutor) PriorityExecutor.newFixedThreadPool(16);
executorService.submit(new Runnable() {
@Override
public void run() {
try {
Thread.sleep(1000);
Thread.sleep(1000);
System.out.println("1");
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}, 1);
executorService.submit(new Runnable() {
@Override
public void run() {
try {
Thread.sleep(1000);
Thread.sleep(1000);
System.out.println("3");
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}, 3);
executorService.submit(new Runnable() {
@Override
public void run() {
try {
Thread.sleep(1000);
Thread.sleep(1000);
System.out.println("2");
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}, 2);
executorService.submit(new Runnable() {
@Override
public void run() {
try {
Thread.sleep(1000);
Thread.sleep(1000);
System.out.println("5");
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}, 5);
executorService.submit(new Runnable() {
@Override
public void run() {
try {
Thread.sleep(1000);
Thread.sleep(1000);
System.out.println("4");
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}, 4);
executorService.shutdown();
try {
executorService.awaitTermination(30, TimeUnit.MINUTES);
} catch (InterruptedException e) {
e.printStackTrace();
}
Pero al final, no obtengo 1 2 3 4 5, obtengo un orden aleatorio de esos números. ¿Hay algún problema con la prueba, o algo más? Y si es primero, ¿cómo puede ser probado correctamente?