com.hazelcast.cache.journal

Interface EventJournalCacheEvent<K,V>

Type Parameters:

K - the entry key type

V - the entry value type

All Known Implementing Classes:

DeserializingEventJournalCacheEvent

public interface EventJournalCacheEvent<K,V>

The event for the cache event journal.

Method Summary

Modifier and Type	Method and Description
K	getKey() Returns the key for the event entry.
V	getNewValue() Returns the new value for the event entry.
V	getOldValue() Returns the old value for the event entry.
CacheEventType	getType() Returns the event type.

Method Detail

getKey

K getKey()

Returns the key for the event entry.

Returns:

the entry key

getNewValue

V getNewValue()

Returns the new value for the event entry. In some cases this is null while in other cases it may be non-null. For instance, when the event is of type CacheEventType.CREATED, the new value is non-null but when it is of type CacheEventType.REMOVED, the value is null.

Returns:

the entry new value

getOldValue

V getOldValue()

Returns the old value for the event entry. In some cases this is null while in other cases it may be non-null. For instance, when the event is of type CacheEventType.CREATED, the old value is null but when it is of type CacheEventType.REMOVED, the value is non-null.

Returns:

the entry old value

getType

CacheEventType getType()

Returns the event type.

Returns:

the event type