Package org.fcrepo.storage.ocfl.cache

Class CaffeineCache<K,V>

java.lang.Object

org.fcrepo.storage.ocfl.cache.CaffeineCache<K,V>

All Implemented Interfaces:

Cache<K,V>

public class CaffeineCache<K,V>
extends Object
implements Cache<K,V>

In-memory cache implementation that is a wrapper around a Caffeine cache.

Author:

pwinckles

Constructor Summary

Constructors

Constructor	Description
CaffeineCache(com.github.benmanes.caffeine.cache.Cache cache)

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.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CaffeineCache

public CaffeineCache(com.github.benmanes.caffeine.cache.Cache cache)

Method Detail

get

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

Description copied from interface: Cache

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.

Specified by:

get in interface Cache<K,V>

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

public void put(K key,
                V value)

Description copied from interface: Cache

Inserts a value into the cache.

Specified by:

put in interface Cache<K,V>

Parameters:

key - key

value - value

invalidate

public void invalidate(K key)

Description copied from interface: Cache

Invalidates the key in the cache.

Specified by:

invalidate in interface Cache<K,V>

Parameters:

key - key