Package com.scurrilous.circe.impl

Interface HashCache

public interface HashCache

Interface implemented by hash function caches.

Method Summary

Modifier and Type	Method	Description
Hash	get(HashParameters params, EnumSet<HashSupport> required, Callable<Hash> loader)	Requests a cached hash function with the given parameters and required support flags.

Method Details

get

Hash get(HashParameters params,
 EnumSet<HashSupport> required,
 Callable<Hash> loader)
  throws ExecutionException

Requests a cached hash function with the given parameters and required support flags. If no matching function is cached, the given loader is called to obtain one to cache.

Parameters:

params - the hash algorithm parameters

required - the required hash support flags

loader - a cache loader that creates the function if not cached

Returns:

a hash with the given parameters and support flags

Throws:

ExecutionException - if the loader throws an exception