MemoryCache.CacheListener (NASA WorldWind)

Enclosing interface:

MemoryCache
```
public static interface MemoryCache.CacheListener
```
Provides the interface for cache clients to be notified of key events. Currently the only key event is the removal of an entry from the cache. A client may need to know a removal instigated by the cache occurred in order to adjust its own state or to free resources associated with the removed entry.

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method	Description
`void`	`entryRemoved(java.lang.Object key, java.lang.Object clientObject)`	Called just after an entry has been removed from the cache.
`void`	`removalException(java.lang.Throwable exception, java.lang.Object key, java.lang.Object clientObject)`	Called when an exception occurs within the `entryRemoved(Object, Object)` call.

- Method Detail
  - entryRemoved
```
void entryRemoved(java.lang.Object key,
                  java.lang.Object clientObject)
```
    Called just after an entry has been removed from the cache. Listeners should deallocate any resources that won't be deallocated by normal garbage collection.
    
    Parameters:
    
    key - the entry's cache key.
    
    clientObject - the cached object.
  - removalException
```
void removalException(java.lang.Throwable exception,
                      java.lang.Object key,
                      java.lang.Object clientObject)
```
    Called when an exception occurs within the entryRemoved(Object, Object) call.
    
    Parameters:
    
    exception - the exception that occurred.
    
    key - the entry's cache key.
    
    clientObject - the cached object.