org.mapdb

Interface Bind.MapListener<K,V>

Type Parameters:

K - key type in map

V - value type in map

Enclosing class:

Bind

public static interface Bind.MapListener<K,V>

Listener called when `Map` is modified.

Method Summary

Modifier and Type	Method and Description
void	update(K key, V oldVal, V newVal) Callback method called after `Map` was modified.

Method Detail

update

void update(K key,
            V oldVal,
            V newVal)

Callback method called after `Map` was modified. It is called on insert, update or delete. MapDB collections do not support null keys or values. Null parameter may be than used to indicate operation:

Parameters:

key - key in map

oldVal - old value in map (if any, null on inserts)

newVal - new value in map (if any, null on deletes)