org.ehcache.core.spi.store.events

Interface StoreEvent<K,V>

Type Parameters:

K - the type of the keys used to access data within the store

V - the type of the values held within the store

public interface StoreEvent<K,V>

An event resulting from a mutative Store operation.

Method Summary

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

Method Detail

getType

EventType getType()

The type of mutative event

Returns:

the @{link EventType}

getKey

K getKey()

The key of the mapping affected by the mutative event

Returns:

the mutated key

getNewValue

V getNewValue()

The mapped value immediately after the mutative event occurred.

If the mutative event removes the mapping then null is returned.

Returns:

the mapped value after the mutation

getOldValue

V getOldValue()

The mapped value immediately before the mutative event occurred.

If the mutative event created the mapping then null is returned.

Returns:

the mapped value before the mutation