refresh(Object key, Object oldValue, Event event) Get a new value for this key whose value has already expired in the cache.
Parameters: key - The key whose value has expired and needs to be refreshed. Parameters: oldValue - The old exipred value of the key. Parameters: event - The event which triggered this refresh.
Get a new value for this key whose value has already expired in the cache.
Parameters: key - The key whose value has expired and needs to be refreshed. Parameters: oldValue - The old exipred value of the key. Parameters: event - The event which triggered this refresh. a new value for use in the cache for this key; if null, the entry will be removed.