public static < MK , K , V > FineGrainedAtomicMap < K , V > getFineGrainedAtomicMap ( Cache < MK , ? > cache , MK key ) { return getFineGrainedAtomicMap ( cache , key , true ) ; }
Retrieves a fine grained atomic map from a given cache stored under a given key . If a fine grained atomic map did not exist one is created and registered in an atomic fashion .