ExpirationListener (OpenJPA Parent POM 4.0.0 API)

```
public interface ExpirationListener
```
An entity that wishes to be notified when cache keys expire.

Since:

0.3.0

Author:

Abe White

- Method Summary
  
  All Methods Instance Methods Abstract Methods
  Modifier and Type Method Description
  
  void onExpire(ExpirationEvent event)
  Notification that an object has expired from the cache.

- Method Detail
  - onExpire
```
void onExpire(ExpirationEvent event)
```
    Notification that an object has expired from the cache.