org.infinispan.notifications.cachelistener.event

Interface CacheEntryRemovedEvent<K,V>

All Superinterfaces:

CacheEntryEvent<K,V>, Event<K,V>, TransactionalEvent<K,V>

public interface CacheEntryRemovedEvent<K,V>
extends CacheEntryEvent<K,V>

This event subtype is passed in to any method annotated with CacheEntryRemoved.

The getValue() method would return the old value prior to deletion, if isPre() is true. If isPre() is false, getValue() will return null.

Since:

4.0

Author:

Manik Surtani

Nested Class Summary

Nested classes/interfaces inherited from interface org.infinispan.notifications.cachelistener.event.Event

Event.Type

Method Summary

Modifier and Type	Method and Description
V	getOldValue() Regardless of whether isPre() is true or is false, this method returns the value of the entry being deleted.
V	getValue() Retrieves the value of the entry being deleted.
boolean	isCommandRetried() This will be true if the write command that caused this had to be retried again due to a topology change.

Methods inherited from interface org.infinispan.notifications.cachelistener.event.CacheEntryEvent

getKey, getMetadata, isCurrentState

Methods inherited from interface org.infinispan.notifications.cachelistener.event.TransactionalEvent

getGlobalTransaction, isOriginLocal

Methods inherited from interface org.infinispan.notifications.cachelistener.event.Event

getCache, getType, isPre

Method Detail

getValue

V getValue()

Retrieves the value of the entry being deleted.

Specified by:

getValue in interface CacheEntryEvent<K,V>

Returns:

the value of the entry being deleted, if isPre() is true. null otherwise.

getOldValue

V getOldValue()

Regardless of whether isPre() is true or is false, this method returns the value of the entry being deleted. This method is useful for situations where cache listeners need to know what the old value being deleted is when getting isPre() is false callbacks.

Returns:

the value of the entry being deleted, regardless of isPre() value

isCommandRetried

boolean isCommandRetried()

This will be true if the write command that caused this had to be retried again due to a topology change. This could be a sign that this event has been duplicated or another event was dropped and replaced (eg: ModifiedEvent replaced CreateEvent)

Returns:

Whether the command that caused this event was retried