de.bea.domingo.queue
Interface Queue

All Known Implementing Classes:

MTQueue, NotesRecycleQueue

public interface Queue

Interface definition of a general Queue.

Author:

Kurt Riede

Method Summary

java.lang.Object	dequeue() Dequeues an object from the queue.
void	enqueue(java.lang.Object obj) Enqueues an object to the queue.
boolean	isEmpty() Checks is the queue is empty or not.
int	size() Returns the number of objects in the queue.

Method Detail

size

int size()

Returns the number of objects in the queue.

Returns:

number of objects in the queue

isEmpty

boolean isEmpty()

Checks is the queue is empty or not.

Returns:

true if the queue is empty, else false

enqueue

void enqueue(java.lang.Object obj)

Enqueues an object to the queue.

Parameters:

obj - the object to enqueue

dequeue

java.lang.Object dequeue()

Dequeues an object from the queue.

Returns:

next object from the queue or null if the queue is empty