Java Code Examples for javax.management.timer.Timer#stop()

The following examples show how to use javax.management.timer.Timer#stop() . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source File: QuerySubscriptionScheduled.java    From fosstrak-epcis with GNU Lesser General Public License v2.1 6 votes vote down vote up 
/**
 * This method is handles a notification when the Timer for the schedule
 * times out.
 * 
 * @see javax.management.NotificationListener#handleNotification(javax.management.Notification,
 *      java.lang.Object)
 * @param pNotification
 *            The Notification.
 * @param pHandback
 *            A Timer stating the time when the Notification should be
 *            invoked.
 */
public void handleNotification(final Notification pNotification, final Object pHandback) {
    if (pHandback == null) {
        LOG.error("The timer stating the next scheduled query execution time is null!");
        return;
    }
    Timer timer = (Timer) pHandback;

    if (!doItAgain.booleanValue()) {
        timer.stop();
    } else {
        // execute the query and determine next scheduled execution time
        executeQuery();
        setNextScheduledExecutionTime(timer);
    }
}
Example 2
Source File: StartTest.java    From openjdk-jdk9 with GNU General Public License v2.0 4 votes vote down vote up 
public static void main(String[] args) throws Exception {
    System.out.println(
        ">>> Test on timer start method with past notifications.");

    System.out.println(">>> Create a Timer object.");
    Timer timer = new Timer();

    System.out.println(
        ">>> Set the flag (setSendPastNotification) to true.");
    timer.setSendPastNotifications(true);

    timer.addNotificationListener(myListener, null, null);

    System.out.println(">>> Add notifications: " + SENT);

    Date date = new Date();
    for (int i = 0; i < SENT; i++) {
        timer.addNotification(
            "testType" + i, "testMsg" + i, "testData" + i, date);
    }

    System.out.println(">>> The notifications should be sent at " + date);
    System.out.println(">>> Sleep 100 ms to have past notifications.");
    Thread.sleep(100);

    System.out.println(">>> Start the timer at " + new Date());
    timer.start();

    System.out.println(">>> Stop the timer.");
    Thread.sleep(100);
    stopping = true;
    timer.stop();

    if (received != SENT) {
        throw new RuntimeException(
            "Expected to receive " + SENT + " but got " + received);
    }

    System.out.println(">>> Received all expected notifications.");

    System.out.println(">>> Bye bye!");
}
Example 3
Source File: MissingNotificationTest.java    From openjdk-8 with GNU General Public License v2.0 4 votes vote down vote up 
public static void main(String[] args) throws Exception {
    System.out.println(
        ">>> Test for missing notifications.");

    System.out.println(">>> Create a Timer object.");
    final Timer timer = new Timer();

    timer.start();

    NotifListener listener = new NotifListener();
    timer.addNotificationListener(listener, null, null);

    ExecutorService executor = Executors.newFixedThreadPool(100);
    final Random rand = new Random();


    for (int i = 0; i < TASK_COUNT; i++) {
        executor.execute(new Runnable() {
            public void run() {
                long dateMillis = System.currentTimeMillis() + fixedDelay + rand.nextInt(2000);
                Date date = new Date(dateMillis);
                timer.addNotification("type", "msg", "userData", date);
            }
        });

    }

    executor.shutdown();
    executor.awaitTermination(20, TimeUnit.SECONDS);

    waitForNotificationsToEnd(listener);

    timer.stop();

    if (listener.count < TASK_COUNT) {
        throw new RuntimeException("Not fired: " + (TASK_COUNT - listener.count));
    } else {
        System.out.println(">>> All notifications handled OK");
    }

    System.out.println(">>> Bye bye!");
}
Example 4
Source File: StartTest.java    From jdk8u_jdk with GNU General Public License v2.0 4 votes vote down vote up 
public static void main(String[] args) throws Exception {
    System.out.println(
        ">>> Test on timer start method with past notifications.");

    System.out.println(">>> Create a Timer object.");
    Timer timer = new Timer();

    System.out.println(
        ">>> Set the flag (setSendPastNotification) to true.");
    timer.setSendPastNotifications(true);

    timer.addNotificationListener(myListener, null, null);

    System.out.println(">>> Add notifications: " + SENT);

    Date date = new Date();
    for (int i = 0; i < SENT; i++) {
        timer.addNotification(
            "testType" + i, "testMsg" + i, "testData" + i, date);
    }

    System.out.println(">>> The notifications should be sent at " + date);
    System.out.println(">>> Sleep 100 ms to have past notifications.");
    Thread.sleep(100);

    System.out.println(">>> Start the timer at " + new Date());
    timer.start();

    System.out.println(">>> Stop the timer.");
    Thread.sleep(100);
    stopping = true;
    timer.stop();

    if (received != SENT) {
        throw new RuntimeException(
            "Expected to receive " + SENT + " but got " + received);
    }

    System.out.println(">>> Received all expected notifications.");

    System.out.println(">>> Bye bye!");
}
Example 5
Source File: MissingNotificationTest.java    From openjdk-8-source with GNU General Public License v2.0 4 votes vote down vote up 
public static void main(String[] args) throws Exception {
    System.out.println(
        ">>> Test for missing notifications.");

    System.out.println(">>> Create a Timer object.");
    final Timer timer = new Timer();

    timer.start();

    NotifListener listener = new NotifListener();
    timer.addNotificationListener(listener, null, null);

    ExecutorService executor = Executors.newFixedThreadPool(100);
    final Random rand = new Random();


    for (int i = 0; i < TASK_COUNT; i++) {
        executor.execute(new Runnable() {
            public void run() {
                long dateMillis = System.currentTimeMillis() + fixedDelay + rand.nextInt(2000);
                Date date = new Date(dateMillis);
                timer.addNotification("type", "msg", "userData", date);
            }
        });

    }

    executor.shutdown();
    executor.awaitTermination(20, TimeUnit.SECONDS);

    waitForNotificationsToEnd(listener);

    timer.stop();

    if (listener.count < TASK_COUNT) {
        throw new RuntimeException("Not fired: " + (TASK_COUNT - listener.count));
    } else {
        System.out.println(">>> All notifications handled OK");
    }

    System.out.println(">>> Bye bye!");
}
Example 6
Source File: StartTest.java    From openjdk-8-source with GNU General Public License v2.0 4 votes vote down vote up 
public static void main(String[] args) throws Exception {
    System.out.println(
        ">>> Test on timer start method with past notifications.");

    System.out.println(">>> Create a Timer object.");
    Timer timer = new Timer();

    System.out.println(
        ">>> Set the flag (setSendPastNotification) to true.");
    timer.setSendPastNotifications(true);

    timer.addNotificationListener(myListener, null, null);

    System.out.println(">>> Add notifications: " + SENT);

    Date date = new Date();
    for (int i = 0; i < SENT; i++) {
        timer.addNotification(
            "testType" + i, "testMsg" + i, "testData" + i, date);
    }

    System.out.println(">>> The notifications should be sent at " + date);
    System.out.println(">>> Sleep 100 ms to have past notifications.");
    Thread.sleep(100);

    System.out.println(">>> Start the timer at " + new Date());
    timer.start();

    System.out.println(">>> Stop the timer.");
    Thread.sleep(100);
    stopping = true;
    timer.stop();

    if (received != SENT) {
        throw new RuntimeException(
            "Expected to receive " + SENT + " but got " + received);
    }

    System.out.println(">>> Received all expected notifications.");

    System.out.println(">>> Bye bye!");
}
Example 7
Source File: MissingNotificationTest.java    From hottub with GNU General Public License v2.0 4 votes vote down vote up 
public static void main(String[] args) throws Exception {
    System.out.println(
        ">>> Test for missing notifications.");

    System.out.println(">>> Create a Timer object.");
    final Timer timer = new Timer();

    timer.start();

    NotifListener listener = new NotifListener();
    timer.addNotificationListener(listener, null, null);

    ExecutorService executor = Executors.newFixedThreadPool(100);
    final Random rand = new Random();


    for (int i = 0; i < TASK_COUNT; i++) {
        executor.execute(new Runnable() {
            public void run() {
                long dateMillis = System.currentTimeMillis() + fixedDelay + rand.nextInt(2000);
                Date date = new Date(dateMillis);
                timer.addNotification("type", "msg", "userData", date);
            }
        });

    }

    executor.shutdown();
    executor.awaitTermination(20, TimeUnit.SECONDS);

    waitForNotificationsToEnd(listener);

    timer.stop();

    if (listener.count < TASK_COUNT) {
        throw new RuntimeException("Not fired: " + (TASK_COUNT - listener.count));
    } else {
        System.out.println(">>> All notifications handled OK");
    }

    System.out.println(">>> Bye bye!");
}
Example 8
Source File: StartTest.java    From hottub with GNU General Public License v2.0 4 votes vote down vote up 
public static void main(String[] args) throws Exception {
    System.out.println(
        ">>> Test on timer start method with past notifications.");

    System.out.println(">>> Create a Timer object.");
    Timer timer = new Timer();

    System.out.println(
        ">>> Set the flag (setSendPastNotification) to true.");
    timer.setSendPastNotifications(true);

    timer.addNotificationListener(myListener, null, null);

    System.out.println(">>> Add notifications: " + SENT);

    Date date = new Date();
    for (int i = 0; i < SENT; i++) {
        timer.addNotification(
            "testType" + i, "testMsg" + i, "testData" + i, date);
    }

    System.out.println(">>> The notifications should be sent at " + date);
    System.out.println(">>> Sleep 100 ms to have past notifications.");
    Thread.sleep(100);

    System.out.println(">>> Start the timer at " + new Date());
    timer.start();

    System.out.println(">>> Stop the timer.");
    Thread.sleep(100);
    stopping = true;
    timer.stop();

    if (received != SENT) {
        throw new RuntimeException(
            "Expected to receive " + SENT + " but got " + received);
    }

    System.out.println(">>> Received all expected notifications.");

    System.out.println(">>> Bye bye!");
}
Example 9
Source File: MissingNotificationTest.java    From jdk8u-jdk with GNU General Public License v2.0 4 votes vote down vote up 
public static void main(String[] args) throws Exception {
    System.out.println(
        ">>> Test for missing notifications.");

    System.out.println(">>> Create a Timer object.");
    final Timer timer = new Timer();

    timer.start();

    NotifListener listener = new NotifListener();
    timer.addNotificationListener(listener, null, null);

    ExecutorService executor = Executors.newFixedThreadPool(100);
    final Random rand = new Random();


    for (int i = 0; i < TASK_COUNT; i++) {
        executor.execute(new Runnable() {
            public void run() {
                long dateMillis = System.currentTimeMillis() + fixedDelay + rand.nextInt(2000);
                Date date = new Date(dateMillis);
                timer.addNotification("type", "msg", "userData", date);
            }
        });

    }

    executor.shutdown();
    executor.awaitTermination(20, TimeUnit.SECONDS);

    waitForNotificationsToEnd(listener);

    timer.stop();

    if (listener.count < TASK_COUNT) {
        throw new RuntimeException("Not fired: " + (TASK_COUNT - listener.count));
    } else {
        System.out.println(">>> All notifications handled OK");
    }

    System.out.println(">>> Bye bye!");
}
Example 10
Source File: StartTest.java    From jdk8u-jdk with GNU General Public License v2.0 4 votes vote down vote up 
public static void main(String[] args) throws Exception {
    System.out.println(
        ">>> Test on timer start method with past notifications.");

    System.out.println(">>> Create a Timer object.");
    Timer timer = new Timer();

    System.out.println(
        ">>> Set the flag (setSendPastNotification) to true.");
    timer.setSendPastNotifications(true);

    timer.addNotificationListener(myListener, null, null);

    System.out.println(">>> Add notifications: " + SENT);

    Date date = new Date();
    for (int i = 0; i < SENT; i++) {
        timer.addNotification(
            "testType" + i, "testMsg" + i, "testData" + i, date);
    }

    System.out.println(">>> The notifications should be sent at " + date);
    System.out.println(">>> Sleep 100 ms to have past notifications.");
    Thread.sleep(100);

    System.out.println(">>> Start the timer at " + new Date());
    timer.start();

    System.out.println(">>> Stop the timer.");
    Thread.sleep(100);
    stopping = true;
    timer.stop();

    if (received != SENT) {
        throw new RuntimeException(
            "Expected to receive " + SENT + " but got " + received);
    }

    System.out.println(">>> Received all expected notifications.");

    System.out.println(">>> Bye bye!");
}
Example 11
Source File: StartTest.java    From dragonwell8_jdk with GNU General Public License v2.0 4 votes vote down vote up 
public static void main(String[] args) throws Exception {
    System.out.println(
        ">>> Test on timer start method with past notifications.");

    System.out.println(">>> Create a Timer object.");
    Timer timer = new Timer();

    System.out.println(
        ">>> Set the flag (setSendPastNotification) to true.");
    timer.setSendPastNotifications(true);

    timer.addNotificationListener(myListener, null, null);

    System.out.println(">>> Add notifications: " + SENT);

    Date date = new Date();
    for (int i = 0; i < SENT; i++) {
        timer.addNotification(
            "testType" + i, "testMsg" + i, "testData" + i, date);
    }

    System.out.println(">>> The notifications should be sent at " + date);
    System.out.println(">>> Sleep 100 ms to have past notifications.");
    Thread.sleep(100);

    System.out.println(">>> Start the timer at " + new Date());
    timer.start();

    System.out.println(">>> Stop the timer.");
    Thread.sleep(100);
    stopping = true;
    timer.stop();

    if (received != SENT) {
        throw new RuntimeException(
            "Expected to receive " + SENT + " but got " + received);
    }

    System.out.println(">>> Received all expected notifications.");

    System.out.println(">>> Bye bye!");
}
Example 12
Source File: MissingNotificationTest.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 4 votes vote down vote up 
public static void main(String[] args) throws Exception {
    System.out.println(
        ">>> Test for missing notifications.");

    System.out.println(">>> Create a Timer object.");
    final Timer timer = new Timer();

    timer.start();

    NotifListener listener = new NotifListener();
    timer.addNotificationListener(listener, null, null);

    ExecutorService executor = Executors.newFixedThreadPool(100);
    final Random rand = new Random();


    for (int i = 0; i < TASK_COUNT; i++) {
        executor.execute(new Runnable() {
            public void run() {
                long dateMillis = System.currentTimeMillis() + fixedDelay + rand.nextInt(2000);
                Date date = new Date(dateMillis);
                timer.addNotification("type", "msg", "userData", date);
            }
        });

    }

    executor.shutdown();
    executor.awaitTermination(20, TimeUnit.SECONDS);

    waitForNotificationsToEnd(listener);

    timer.stop();

    if (listener.count < TASK_COUNT) {
        throw new RuntimeException("Not fired: " + (TASK_COUNT - listener.count));
    } else {
        System.out.println(">>> All notifications handled OK");
    }

    System.out.println(">>> Bye bye!");
}
Example 13
Source File: StartTest.java    From openjdk-jdk8u-backup with GNU General Public License v2.0 4 votes vote down vote up 
public static void main(String[] args) throws Exception {
    System.out.println(
        ">>> Test on timer start method with past notifications.");

    System.out.println(">>> Create a Timer object.");
    Timer timer = new Timer();

    System.out.println(
        ">>> Set the flag (setSendPastNotification) to true.");
    timer.setSendPastNotifications(true);

    timer.addNotificationListener(myListener, null, null);

    System.out.println(">>> Add notifications: " + SENT);

    Date date = new Date();
    for (int i = 0; i < SENT; i++) {
        timer.addNotification(
            "testType" + i, "testMsg" + i, "testData" + i, date);
    }

    System.out.println(">>> The notifications should be sent at " + date);
    System.out.println(">>> Sleep 100 ms to have past notifications.");
    Thread.sleep(100);

    System.out.println(">>> Start the timer at " + new Date());
    timer.start();

    System.out.println(">>> Stop the timer.");
    Thread.sleep(100);
    stopping = true;
    timer.stop();

    if (received != SENT) {
        throw new RuntimeException(
            "Expected to receive " + SENT + " but got " + received);
    }

    System.out.println(">>> Received all expected notifications.");

    System.out.println(">>> Bye bye!");
}
Example 14
Source File: MissingNotificationTest.java    From openjdk-jdk8u with GNU General Public License v2.0 4 votes vote down vote up 
public static void main(String[] args) throws Exception {
    System.out.println(
        ">>> Test for missing notifications.");

    System.out.println(">>> Create a Timer object.");
    final Timer timer = new Timer();

    timer.start();

    NotifListener listener = new NotifListener();
    timer.addNotificationListener(listener, null, null);

    ExecutorService executor = Executors.newFixedThreadPool(100);
    final Random rand = new Random();


    for (int i = 0; i < TASK_COUNT; i++) {
        executor.execute(new Runnable() {
            public void run() {
                long dateMillis = System.currentTimeMillis() + fixedDelay + rand.nextInt(2000);
                Date date = new Date(dateMillis);
                timer.addNotification("type", "msg", "userData", date);
            }
        });

    }

    executor.shutdown();
    executor.awaitTermination(20, TimeUnit.SECONDS);

    waitForNotificationsToEnd(listener);

    timer.stop();

    if (listener.count < TASK_COUNT) {
        throw new RuntimeException("Not fired: " + (TASK_COUNT - listener.count));
    } else {
        System.out.println(">>> All notifications handled OK");
    }

    System.out.println(">>> Bye bye!");
}
Example 15
Source File: StartTest.java    From openjdk-jdk8u with GNU General Public License v2.0 4 votes vote down vote up 
public static void main(String[] args) throws Exception {
    System.out.println(
        ">>> Test on timer start method with past notifications.");

    System.out.println(">>> Create a Timer object.");
    Timer timer = new Timer();

    System.out.println(
        ">>> Set the flag (setSendPastNotification) to true.");
    timer.setSendPastNotifications(true);

    timer.addNotificationListener(myListener, null, null);

    System.out.println(">>> Add notifications: " + SENT);

    Date date = new Date();
    for (int i = 0; i < SENT; i++) {
        timer.addNotification(
            "testType" + i, "testMsg" + i, "testData" + i, date);
    }

    System.out.println(">>> The notifications should be sent at " + date);
    System.out.println(">>> Sleep 100 ms to have past notifications.");
    Thread.sleep(100);

    System.out.println(">>> Start the timer at " + new Date());
    timer.start();

    System.out.println(">>> Stop the timer.");
    Thread.sleep(100);
    stopping = true;
    timer.stop();

    if (received != SENT) {
        throw new RuntimeException(
            "Expected to receive " + SENT + " but got " + received);
    }

    System.out.println(">>> Received all expected notifications.");

    System.out.println(">>> Bye bye!");
}
Example 16
Source File: StartTest.java    From jdk8u-dev-jdk with GNU General Public License v2.0 4 votes vote down vote up 
public static void main(String[] args) throws Exception {
    System.out.println(
        ">>> Test on timer start method with past notifications.");

    System.out.println(">>> Create a Timer object.");
    Timer timer = new Timer();

    System.out.println(
        ">>> Set the flag (setSendPastNotification) to true.");
    timer.setSendPastNotifications(true);

    timer.addNotificationListener(myListener, null, null);

    System.out.println(">>> Add notifications: " + SENT);

    Date date = new Date();
    for (int i = 0; i < SENT; i++) {
        timer.addNotification(
            "testType" + i, "testMsg" + i, "testData" + i, date);
    }

    System.out.println(">>> The notifications should be sent at " + date);
    System.out.println(">>> Sleep 100 ms to have past notifications.");
    Thread.sleep(100);

    System.out.println(">>> Start the timer at " + new Date());
    timer.start();

    System.out.println(">>> Stop the timer.");
    Thread.sleep(100);
    stopping = true;
    timer.stop();

    if (received != SENT) {
        throw new RuntimeException(
            "Expected to receive " + SENT + " but got " + received);
    }

    System.out.println(">>> Received all expected notifications.");

    System.out.println(">>> Bye bye!");
}
Example 17
Source File: StartTest.java    From jdk8u60 with GNU General Public License v2.0 4 votes vote down vote up 
public static void main(String[] args) throws Exception {
    System.out.println(
        ">>> Test on timer start method with past notifications.");

    System.out.println(">>> Create a Timer object.");
    Timer timer = new Timer();

    System.out.println(
        ">>> Set the flag (setSendPastNotification) to true.");
    timer.setSendPastNotifications(true);

    timer.addNotificationListener(myListener, null, null);

    System.out.println(">>> Add notifications: " + SENT);

    Date date = new Date();
    for (int i = 0; i < SENT; i++) {
        timer.addNotification(
            "testType" + i, "testMsg" + i, "testData" + i, date);
    }

    System.out.println(">>> The notifications should be sent at " + date);
    System.out.println(">>> Sleep 100 ms to have past notifications.");
    Thread.sleep(100);

    System.out.println(">>> Start the timer at " + new Date());
    timer.start();

    System.out.println(">>> Stop the timer.");
    Thread.sleep(100);
    stopping = true;
    timer.stop();

    if (received != SENT) {
        throw new RuntimeException(
            "Expected to receive " + SENT + " but got " + received);
    }

    System.out.println(">>> Received all expected notifications.");

    System.out.println(">>> Bye bye!");
}
Example 18
Source File: MissingNotificationTest.java    From TencentKona-8 with GNU General Public License v2.0 4 votes vote down vote up 
public static void main(String[] args) throws Exception {
    System.out.println(
        ">>> Test for missing notifications.");

    System.out.println(">>> Create a Timer object.");
    final Timer timer = new Timer();

    timer.start();

    NotifListener listener = new NotifListener();
    timer.addNotificationListener(listener, null, null);

    ExecutorService executor = Executors.newFixedThreadPool(100);
    final Random rand = new Random();


    for (int i = 0; i < TASK_COUNT; i++) {
        executor.execute(new Runnable() {
            public void run() {
                long dateMillis = System.currentTimeMillis() + fixedDelay + rand.nextInt(2000);
                Date date = new Date(dateMillis);
                timer.addNotification("type", "msg", "userData", date);
            }
        });

    }

    executor.shutdown();
    executor.awaitTermination(20, TimeUnit.SECONDS);

    waitForNotificationsToEnd(listener);

    timer.stop();

    if (listener.count < TASK_COUNT) {
        throw new RuntimeException("Not fired: " + (TASK_COUNT - listener.count));
    } else {
        System.out.println(">>> All notifications handled OK");
    }

    System.out.println(">>> Bye bye!");
}
Example 19
Source File: StartTest.java    From TencentKona-8 with GNU General Public License v2.0 4 votes vote down vote up 
public static void main(String[] args) throws Exception {
    System.out.println(
        ">>> Test on timer start method with past notifications.");

    System.out.println(">>> Create a Timer object.");
    Timer timer = new Timer();

    System.out.println(
        ">>> Set the flag (setSendPastNotification) to true.");
    timer.setSendPastNotifications(true);

    timer.addNotificationListener(myListener, null, null);

    System.out.println(">>> Add notifications: " + SENT);

    Date date = new Date();
    for (int i = 0; i < SENT; i++) {
        timer.addNotification(
            "testType" + i, "testMsg" + i, "testData" + i, date);
    }

    System.out.println(">>> The notifications should be sent at " + date);
    System.out.println(">>> Sleep 100 ms to have past notifications.");
    Thread.sleep(100);

    System.out.println(">>> Start the timer at " + new Date());
    timer.start();

    System.out.println(">>> Stop the timer.");
    Thread.sleep(100);
    stopping = true;
    timer.stop();

    if (received != SENT) {
        throw new RuntimeException(
            "Expected to receive " + SENT + " but got " + received);
    }

    System.out.println(">>> Received all expected notifications.");

    System.out.println(">>> Bye bye!");
}
Example 20
Source File: MissingNotificationTest.java    From dragonwell8_jdk with GNU General Public License v2.0 4 votes vote down vote up 
public static void main(String[] args) throws Exception {
    System.out.println(
        ">>> Test for missing notifications.");

    System.out.println(">>> Create a Timer object.");
    final Timer timer = new Timer();

    timer.start();

    NotifListener listener = new NotifListener();
    timer.addNotificationListener(listener, null, null);

    ExecutorService executor = Executors.newFixedThreadPool(100);
    final Random rand = new Random();


    for (int i = 0; i < TASK_COUNT; i++) {
        executor.execute(new Runnable() {
            public void run() {
                long dateMillis = System.currentTimeMillis() + fixedDelay + rand.nextInt(2000);
                Date date = new Date(dateMillis);
                timer.addNotification("type", "msg", "userData", date);
            }
        });

    }

    executor.shutdown();
    executor.awaitTermination(20, TimeUnit.SECONDS);

    waitForNotificationsToEnd(listener);

    timer.stop();

    if (listener.count < TASK_COUNT) {
        throw new RuntimeException("Not fired: " + (TASK_COUNT - listener.count));
    } else {
        System.out.println(">>> All notifications handled OK");
    }

    System.out.println(">>> Bye bye!");
}