org.apache.http.client.cache.HttpCacheUpdateCallback |
Class Overview
Used for atomically updating entries in a HttpCacheStorage
implementation. The current entry (if any) is fed into an implementation
of this interface, and the new, possibly updated entry (if any)
should be returned.
Public Methods
Returns the new cache entry that should replace an existing one.
Parameters
existing
| the cache entry currently in-place in the cache, possibly
null if nonexistent |
Returns
- the cache entry that should replace it, again,
possibly
null
if the entry should be deleted