cz.cuni.amis.utils.collections
Interface CollectionEventListener<E>

Type Parameters:

E -

All Superinterfaces:

java.util.EventListener

All Known Implementing Classes:

ElementListener, SimpleListener

public interface CollectionEventListener<E>
extends java.util.EventListener

Listener on collection change events.

Method Summary

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

Method Detail

preAddEvent

void preAddEvent(java.util.Collection<E> toBeAdded,
                 java.util.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(java.util.Collection<E> alreadyAdded,
                  java.util.Collection<E> whereWereAdded)

Called after the elements were added to the collection.

Parameters:

alreadyAdded -

whereWereAdded -

preRemoveEvent

void preRemoveEvent(java.util.Collection<E> toBeRemoved,
                    java.util.Collection<E> whereToRemove)

Called before the elements will be removed from the collection.

Parameters:

toBeRemoved -

whereToRemove -

postRemoveEvent

void postRemoveEvent(java.util.Collection<E> alreadyAdded,
                     java.util.Collection<E> whereWereRemoved)

Called after the elements were removed from the collection.

Parameters:

alreadyAdded -

whereWereRemoved -