org.rapidoid.cache

Interface Cache<K,V>

All Known Implementing Classes:

ConcurrentCache

@Authors(value="Nikolche Mihajlovski")
 @Since(value="5.3.0")
public interface Cache<K,V>

Method Summary

Modifier and Type	Method and Description
void	bypass() Notifies the cache that it's being bypassed due to any reason (useful for stats).
void	clear() Clears the cache.
V	get(K key) Returns the cached value for the given key, recalculating/reloading it if expired.
V	getIfExists(K key) Retrieves the cached value for the given key if it exists, or null otherwise.
void	invalidate(K key) Invalidates the cached value for the given key.
void	set(K key, V value) Sets a new cached value for the given key.
int	size()
CacheStats	stats() Retrieves the cache statistics.

Method Detail

get

V get(K key)

Returns the cached value for the given key, recalculating/reloading it if expired.

getIfExists

V getIfExists(K key)

Retrieves the cached value for the given key if it exists, or null otherwise.

invalidate

void invalidate(K key)

Invalidates the cached value for the given key.

set

void set(K key,
         V value)

Sets a new cached value for the given key.

clear

void clear()

Clears the cache.

size

int size()

bypass

void bypass()

Notifies the cache that it's being bypassed due to any reason (useful for stats).

stats

CacheStats stats()

Retrieves the cache statistics.