Package org.fcrepo.storage.ocfl.cache

Interface Cache<K,V>

Type Parameters:

K - type of cache key

V - type of cache value

All Known Implementing Classes:

CaffeineCache, NoOpCache

public interface Cache<K,V>

Cache interface

Author:

pwinckles

Method Summary

Modifier and Type	Method	Description
V	get(K key, Function<K,V> loader)	Retrieves a value from the cache.
void	invalidate(K key)	Invalidates the key in the cache.
void	put(K key, V value)	Inserts a value into the cache.

Method Detail

get

V get(K key,
      Function<K,V> loader)

Retrieves a value from the cache. If it doesn't exist, the loader is called to load the object, which is then cached and returned.

Parameters:

key - to lookup in the cache

loader - function to call to load the object if it's not found

Returns:

the object that maps to the key

put

void put(K key,
         V value)

Inserts a value into the cache.

Parameters:

key - key

value - value

invalidate

void invalidate(K key)

Invalidates the key in the cache.

Parameters:

key - key