cz.cuni.amis.utils.collections

Interface CollectionEventListener<E>

Type Parameters:

E -

All Superinterfaces:

EventListener

All Known Implementing Classes:

ElementListener, SimpleListener

public interface CollectionEventListener<E>
extends EventListener

Listener on collection change events.

Author:

Ik

Method Summary

Modifier and Type	Method and Description
void	postAddEvent(Collection<E> alreadyAdded, Collection<E> whereWereAdded) Called after the elements were added to the collection.
void	postRemoveEvent(Collection<E> alreadyAdded, Collection<E> whereWereRemoved) Called after the elements were removed from the collection.
void	preAddEvent(Collection<E> toBeAdded, Collection<E> whereToAdd) Called before the elements will be added to the collection.
void	preRemoveEvent(Collection<E> toBeRemoved, Collection<E> whereToRemove) Called before the elements will be removed from the collection.

Method Detail

preAddEvent

void preAddEvent(Collection<E> toBeAdded,
                 Collection<E> whereToAdd)

Called before the elements will be added to the collection.

Parameters:

toBeAdded - collection of items to be added, in case of one item this contains a collection with one item

whereToAdd -

postAddEvent

void postAddEvent(Collection<E> alreadyAdded,
                  Collection<E> whereWereAdded)

Called after the elements were added to the collection.

Parameters:

alreadyAdded -

whereWereAdded -

preRemoveEvent

void preRemoveEvent(Collection<E> toBeRemoved,
                    Collection<E> whereToRemove)

Called before the elements will be removed from the collection.

Parameters:

toBeRemoved -

whereToRemove -

postRemoveEvent

void postRemoveEvent(Collection<E> alreadyAdded,
                     Collection<E> whereWereRemoved)

Called after the elements were removed from the collection.

Parameters:

alreadyAdded -

whereWereRemoved -