Package com.packtpub.java7.concurrency.chapter8.recipe05.task

Examples of com.packtpub.java7.concurrency.chapter8.recipe05.task.Task

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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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    ForkJoinPool pool=new ForkJoinPool();
   
    /*
     * Task to increment the elements of the array
     */
    Task task=new Task("Task",array,0,array.length);
   
    /*
     * Send the task to the pool
     */
    pool.invoke(task);
 
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   */
  public static void main(String[] args) throws Exception {
    /*
     * Create a task object
     */
    Task task = new Task();
   
    /*
     * Create an array to store the threads
     */
    Thread threads[] = new Thread[5];
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   */
  public static void main(String[] args) throws Exception {
    /*
     * Create a Lock object
     */
    MyLock lock=new MyLock();
   
    /*
     * Create an array for five threads
     */
    Thread threads[]=new Thread[5];
   
    /*
     * Create and start five threads
     */
    for (int i=0; i<5; i++) {
      Task task=new Task(lock);
      threads[i]=new Thread(task);
      threads[i].start();
    }
   
    /*
     * Create a loop with 15 steps
     */
    for (int i=0; i<15; i++) {
      /*
       * Write info about the lock
       */
      System.out.printf("Main: Logging the Lock\n");
      System.out.printf("************************\n");
      System.out.printf("Lock: Owner : %s\n",lock.getOwnerName());
      System.out.printf("Lock: Queued Threads: %s\n",lock.hasQueuedThreads());
      if (lock.hasQueuedThreads()){
        System.out.printf("Lock: Queue Length: %d\n",lock.getQueueLength());
        System.out.printf("Lock: Queued Threads: ");
        Collection<Thread> lockedThreads=lock.getThreads();
        for (Thread lockedThread : lockedThreads) {
        System.out.printf("%s ",lockedThread.getName());
        }
        System.out.printf("\n");
      }
      System.out.printf("Lock: Fairness: %s\n",lock.isFair());
      System.out.printf("Lock: Locked: %s\n",lock.isLocked());
      System.out.printf("************************\n");
      /*
       * Sleep the thread for one second
       */
      TimeUnit.SECONDS.sleep(1);
 
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    /*
     * Create and start five threads
     */
    for (int i=0; i<5; i++) {
      Task task=new Task(lock);
      threads[i]=new Thread(task);
      threads[i].start();
    }
   
    /*
 
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