org.apache.hc.client5.http.cache

Interface HttpCacheCASOperation

@Contract(threading=STATELESS)
public interface HttpCacheCASOperation

Atomic Compare-And-Swap (CAS) cache operation.

Since:

5.0

Method Summary

Modifier and Type	Method and Description
HttpCacheEntry	execute(HttpCacheEntry existing) Returns the new cache entry that should replace an existing one.

Method Detail

execute

HttpCacheEntry execute(HttpCacheEntry existing)
                throws ResourceIOException

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

Throws:

ResourceIOException