EventJournalCacheEvent (Hazelcast Root 5.4.0-SNAPSHOT API)

Type Parameters:

K - the entry key type

V - the entry value type
```
public interface EventJournalCacheEvent<K,V>
```
The event for the cache event journal.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	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