org.apache.pivot.collections

Interface QueueListener<T>

All Known Implementing Classes:

Queue.QueueListenerList, QueueListener.Adapter

public interface QueueListener<T>

Queue listener interface.

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static class	QueueListener.Adapter<T> QueueListener adapter.

Method Summary

Methods

Modifier and Type	Method and Description
void	comparatorChanged(Queue<T> queue, Comparator<T> previousComparator) Called when a queue's comparator has changed.
void	itemDequeued(Queue<T> queue, T item) Called when an item has been removed from the head of a queue.
void	itemEnqueued(Queue<T> queue, T item) Called when an item has been inserted into the tail of a queue.
void	queueCleared(Queue<T> queue) Called when a queue has been cleared.

Method Detail

itemEnqueued

void itemEnqueued(Queue<T> queue,
                T item)

Called when an item has been inserted into the tail of a queue.

Parameters:

queue -

item -

itemDequeued

void itemDequeued(Queue<T> queue,
                T item)

Called when an item has been removed from the head of a queue.

Parameters:

queue -

item -

queueCleared

void queueCleared(Queue<T> queue)

Called when a queue has been cleared.

Parameters:

queue -

comparatorChanged

void comparatorChanged(Queue<T> queue,
                     Comparator<T> previousComparator)

Called when a queue's comparator has changed.

Parameters:

queue -

previousComparator -