K - the type of the keys used to access data within the storeV - the type of the values held within the storepublic interface StoreEvent<K,V>
Store operation.| Modifier and Type | Method and Description | 
|---|---|
| K | getKey()The key of the mapping affected by the mutative event | 
| V | getNewValue()The mapped value immediately after the mutative event occurred. | 
| V | getOldValue()The mapped value immediately before the mutative event occurred. | 
| EventType | getType()The type of mutative event | 
EventType getType()
K getKey()
V getNewValue()
 If the mutative event removes the mapping then null is returned.
V getOldValue()
 If the mutative event created the mapping then null is returned.