    01: /**
    02:    An action that repeatedly inserts a greeting into a queue.
    03: */
    04: public class Producer implements Runnable
    05: {
    06:    /**
    07:       Constructs the producer object.
    08:       @param aGreeting the greating to insert into a queue
    09:       @param aQueue the queue into which to insert greetings
    10:       @param reps the number of repetitions
    11:    */
    12:    public Producer(String aGreeting, Queue aQueue, int reps)
    13:    {
    14:       greeting = aGreeting;
    15:       queue = aQueue;
    16:       repetitions = reps;
    17:   }
    18:
    19:    public void run()
    20:    {
    21:       try
    22:       {
    23:          int i = 1;
    24:          while (i <= repetitions)
    25:          {
    26:             queue.add(i + ": " + greeting);
    27:             i++;
    28:             Thread.sleep((int)(Math.random() * DELAY));
    29:          }
    30:       }
    31:       catch (InterruptedException exception)
    32:       {
    33:       }
    34:    }
    35:
    36:    private String greeting;
    37:    private Queue queue;
    38:    private int repetitions;
    39:
    40:    private static final int DELAY = 10;
    41: }