Top Description Fields Constructors Methods
waffle.util.cache

public Class CaffeineCache<K, V>

extends Object
implements Cache<K, V>
Class Inheritance
All Implemented Interfaces
waffle.util.cache.Cache
Type Parameters
<K>
the type of keys maintained by this cache
<V>
the type of mapped values
Imports
com.github.benmanes.caffeine.cache.Caffeine, java.time.Duration, org.checkerframework.checker.index.qual.NonNegative
A Cache based on com.github.benmanes.caffeine.cache.Cache
Author
Simon Legner

Field Summary

Modifier and TypeField and Description
private final Cache<K, V>
cache

The cache store.

Constructor Summary

AccessConstructor and Description
public
CaffeineCache(final @NonNegative long
Specified timeout in seconds for cache.
timeout)

Instantiate new caffeine cache with timeout.

Method Summary

Modifier and TypeMethod and Description
public V
get(K
the key
key)

Implements waffle.util.cache.Cache.get.

Fetches the key from the cache
public void
put(K
the key
key, V
the value
value)

Implements waffle.util.cache.Cache.put.

Stores a binding for the key and the value in the cache
public void
remove(K
the key
key)

Implements waffle.util.cache.Cache.remove.

Removes the binding for the key from the cache
public int
size()

Implements waffle.util.cache.Cache.size.

Returns the number of bindings in this cache
Inherited from java.lang.Object:
cloneequalsfinalizegetClasshashCodenotifynotifyAlltoStringwaitwaitwait

Field Detail

cacheback to summary
private final Cache<K, V> cache

The cache store.

Constructor Detail

CaffeineCacheback to summary
public CaffeineCache(final @NonNegative long timeout)

Instantiate new caffeine cache with timeout.

Parameters
timeout:@NonNegative long

Specified timeout in seconds for cache.

Method Detail

getback to summary
public V get(K key)

Implements waffle.util.cache.Cache.get.

Doc from waffle.util.cache.Cache.get.

Fetches the key from the cache

Parameters
key:K

the key

Returns:V

the corresponding value

Annotations
@Override
putback to summary
public void put(K key, V value)

Implements waffle.util.cache.Cache.put.

Doc from waffle.util.cache.Cache.put.

Stores a binding for the key and the value in the cache

Parameters
key:K

the key

value:V

the value

Annotations
@Override
removeback to summary
public void remove(K key)

Implements waffle.util.cache.Cache.remove.

Doc from waffle.util.cache.Cache.remove.

Removes the binding for the key from the cache

Parameters
key:K

the key

Annotations
@Override
sizeback to summary
public int size()

Implements waffle.util.cache.Cache.size.

Doc from waffle.util.cache.Cache.size.

Returns the number of bindings in this cache

Returns:int

the size

Annotations
@Override