package semaphore;

public interface Queue<T> {

	/**
	 * Puts an element into the queue, waiting if necessary for
	 * space to become available
	 * @param the element to be put into the queue
	 * @throws InterruptedException if interrupted while waiting
	 */
	void put (T element) throws InterruptedException;
	
	/**
	 * Retrieves and removes the first element in this queue (in FIFO order),
	 * waiting if necessary until a element enters the queue
	 * @return the first element on this queue
	 * @throws InterruptedException if interrupted while waiting
	 */
	T take() throws InterruptedException;
}