package horstmann.ch09_queue1;
/**
   An action that repeatedly removes a greeting from a queue.
 */
public class Consumer implements Runnable
{
	/**
      Constructs the consumer object.
      @param aQueue the queue from which to retrieve greetings
      @param count the number of greetings to consume
	 */
	public Consumer(BoundedQueue<String> aQueue, int count)
	{
		queue = aQueue;
		greetingCount = count;
	}

	public void run()
	{
		try
		{
			int i = 1;
			while (i <= greetingCount)
			{
				if (!queue.isEmpty())
				{
					String greeting = queue.remove();
					System.out.println(greeting);
					i++;
				}
				Thread.sleep((int)(Math.random() * DELAY));
			}
		}
		catch (InterruptedException exception)
		{
		}
	}

	private BoundedQueue<String> queue;
	private int greetingCount;

	private static final int DELAY = 10;
}