org.apache.pivot.collections
Interface MapListener<K,V>

All Known Implementing Classes:

Map.MapListenerList, MapListener.Adapter

public interface MapListener<K,V>

Map listener interface.

Nested Class Summary

static class

MapListener.Adapter<K,V> Map listener adapter.

Method Summary

void	comparatorChanged(Map<K,V> map, Comparator<K> previousComparator) Called when a map's comparator has changed.
void	mapCleared(Map<K,V> map) Called when map data has been reset.
void	valueAdded(Map<K,V> map, K key) Called when a key/value pair has been added to a map.
void	valueRemoved(Map<K,V> map, K key, V value) Called when a key/value pair has been removed from a map.
void	valueUpdated(Map<K,V> map, K key, V previousValue) Called when a map value has been updated.

Method Detail

valueAdded

void valueAdded(Map<K,V> map,
                K key)

Called when a key/value pair has been added to a map.

Parameters:

map - The source of the map event.

key - The key that was added to the map.

valueUpdated

void valueUpdated(Map<K,V> map,
                  K key,
                  V previousValue)

Called when a map value has been updated.

Parameters:

map - The source of the map event.

key - The key whose value was updated.

previousValue - The value that was previously associated with the key.

valueRemoved

void valueRemoved(Map<K,V> map,
                  K key,
                  V value)

Called when a key/value pair has been removed from a map.

Parameters:

map - The source of the map event.

key - The key that was removed.

value - The value that was removed.

mapCleared

void mapCleared(Map<K,V> map)

Called when map data has been reset.

Parameters:

map - The source of the map event.

comparatorChanged

void comparatorChanged(Map<K,V> map,
                       Comparator<K> previousComparator)

Called when a map's comparator has changed.

Parameters:

map - The source of the event.

previousComparator - The previous comparator value.