Package com.packtpub.java7.concurrency.chapter5.recipe05.util

Examples of com.packtpub.java7.concurrency.chapter5.recipe05.util.TaskManager

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    /*
     * Send four task to the executor
     */
    for (int i=0; i<4; i++){
      MyPriorityTask task=new MyPriorityTask("Task "+i,i);
      executor.execute(task);
    }
   
    /*
     * sleep the thread during one second
     */
    try {
      TimeUnit.SECONDS.sleep(1);
    } catch (InterruptedException e) {
      e.printStackTrace();
    }
   
    /*
     * Send four tasks to the executor
     */
    for (int i=4; i<8; i++) {
      MyPriorityTask task=new MyPriorityTask("Task "+i,i);
      executor.execute(task);     
    }
   
    /*
     * Shutdown the executor
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    ExecutorService executor=Executors.newCachedThreadPool(threadFactory);
   
    /*
     * Create a new Task object
     */
    MyTask task=new MyTask();
   
    /*
     * Submit the task
     */
    executor.submit(task);
 
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  public static void main(String[] args) throws Exception {
   
    /*
     * Create a new MyThreadFactory object
     */
    MyThreadFactory threadFactory=new MyThreadFactory("MyThreadFactory");
   
    /*
     * Create a new ThreadPoolExecutor and configure it for use the
     * MyThreadFactoryObject created before as the factory to create the threads
     */
 
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  public static void main(String[] args) throws Exception {
   
    /*
     * Create a MyScheduledThreadPool object
     */
    MyScheduledThreadPoolExecutor executor=new MyScheduledThreadPoolExecutor(2);
   
    /*
     * Create a task object 
     */
    Task task=new Task();
   
    /*
     * Write the start date of the execution
     */
    System.out.printf("Main: %s\n",new Date());
   
    /*
     * Send to the executor a delayed task. It will be executed after 1 second of delay
     */
    executor.schedule(task, 1, TimeUnit.SECONDS);
   
    /*
     * Sleeps the thread three seconds
     */
    TimeUnit.SECONDS.sleep(3);
   
    /*
     * Create another task
     */
    task=new Task();
   
    /*
     * Write the actual date again
     */
    System.out.printf("Main: %s\n",new Date());
   
    /*
     * Send to the executor a delayed task. It will begin its execution after 1 second of dealy
     * and then it will be executed every three seconds
     */
    executor.scheduleAtFixedRate(task, 1, 3, TimeUnit.SECONDS);
   
    /*
     * Sleep the thread during ten seconds
     */
    TimeUnit.SECONDS.sleep(10);

    /*
     * Shutdown the executor
     */
    executor.shutdown();
   
    /*
     * Wait for the finalization of the executor
     */
    executor.awaitTermination(1, TimeUnit.DAYS);
   
    /*
     * Write a message indicating the end of the program
     */
    System.out.printf("Main: End of the program.\n");
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    MyScheduledThreadPoolExecutor executor=new MyScheduledThreadPoolExecutor(2);
   
    /*
     * Create a task object 
     */
    Task task=new Task();
   
    /*
     * Write the start date of the execution
     */
    System.out.printf("Main: %s\n",new Date());
   
    /*
     * Send to the executor a delayed task. It will be executed after 1 second of delay
     */
    executor.schedule(task, 1, TimeUnit.SECONDS);
   
    /*
     * Sleeps the thread three seconds
     */
    TimeUnit.SECONDS.sleep(3);
   
    /*
     * Create another task
     */
    task=new Task();
   
    /*
     * Write the actual date again
     */
    System.out.printf("Main: %s\n",new Date());
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  public static void main(String[] args) {

    /*
     * Create a new MyLock object
     */
    MyLock lock=new MyLock();
   
    /*
     * Create and run ten task objects
     */
    for (int i=0; i<10; i++){
      Task task=new Task("Task-"+i,lock);
      Thread thread=new Thread(task);
      thread.start();
    }
   
    /*
     * The main thread also tries to get the lock
     */
    boolean value;
    do {
      try {
        value=lock.tryLock(1,TimeUnit.SECONDS);
        if (!value) {
          System.out.printf("Main: Trying to get the Lock\n");
        }
      } catch (InterruptedException e) {
        e.printStackTrace();
        value=false;
      }
    } while (!value);
   
    /*
     * The main thread release the lock
     */
    System.out.printf("Main: Got the lock\n");
    lock.unlock();
   
    /*
     * Write a message in the console indicating the end of the program
     */
    System.out.printf("Main: End of the program\n");
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    /*
     * Create and run ten task objects
     */
    for (int i=0; i<10; i++){
      Task task=new Task("Task-"+i,lock);
      Thread thread=new Thread(task);
      thread.start();
    }
   
    /*
 
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   */
  public static void main(String[] args) throws Exception{
    /*
     * Create a ParkingCounter object
     */
    ParkingCounter counter=new ParkingCounter(5);
   
    /*
     * Create and launch two sensors
     */
    Sensor1 sensor1=new Sensor1(counter);
    Sensor2 sensor2=new Sensor2(counter);
   
    Thread thread1=new Thread(sensor1);
    Thread thread2=new Thread(sensor2);
   
    thread1.start();
    thread2.start();
   
    /*
     * Wait for the finalization of the threads
     */
    thread1.join();
    thread2.join();
   
    /*
     * Write in the console the number of cars in the parking
     */
    System.out.printf("Main: Number of cars: %d\n",counter.get());
   
    /*
     * Writ a message indicating the end of the program
     */
    System.out.printf("Main: End of the program.\n");
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    ParkingCounter counter=new ParkingCounter(5);
   
    /*
     * Create and launch two sensors
     */
    Sensor1 sensor1=new Sensor1(counter);
    Sensor2 sensor2=new Sensor2(counter);
   
    Thread thread1=new Thread(sensor1);
    Thread thread2=new Thread(sensor2);
   
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    /*
     * Create and launch two sensors
     */
    Sensor1 sensor1=new Sensor1(counter);
    Sensor2 sensor2=new Sensor2(counter);
   
    Thread thread1=new Thread(sensor1);
    Thread thread2=new Thread(sensor2);
   
    thread1.start();
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