play.cache

Class Cache

java.lang.Object

play.cache.Cache

public class Cache
extends java.lang.Object

Provides an access point for Play's cache service.

Constructor Summary

Constructors

Constructor and Description
Cache()

Method Summary

Modifier and Type	Method and Description
static java.lang.Object	get(java.lang.String key) Retrieves an object by key.
static <T> T	getOrElse(java.lang.String key, java.util.concurrent.Callable<T> block, int expiration) Retrieve a value from the cache, or set it from a default Callable function.
static void	remove(java.lang.String key) Removes the entry at a specific key
static void	set(java.lang.String key, java.lang.Object value) Sets a value without expiration.
static void	set(java.lang.String key, java.lang.Object value, int expiration) Sets a value with expiration.

Methods inherited from class java.lang.Object

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

Constructor Detail

Cache

public Cache()

Method Detail

get

public static java.lang.Object get(java.lang.String key)

Retrieves an object by key.

Parameters:

key - the cache key

Returns:

the object or null

getOrElse

public static <T> T getOrElse(java.lang.String key,
                              java.util.concurrent.Callable<T> block,
                              int expiration)

Retrieve a value from the cache, or set it from a default Callable function.

Type Parameters:

T - the type of object being queried

Parameters:

key - Item key.

block - block returning value to set if key does not exist

expiration - expiration period in seconds.

Returns:

value

set

public static void set(java.lang.String key,
                       java.lang.Object value,
                       int expiration)

Sets a value with expiration.

Parameters:

key - the key to set

value - the value to set

expiration - expiration in seconds

set

public static void set(java.lang.String key,
                       java.lang.Object value)

Sets a value without expiration.

Parameters:

key - the key to set

value - the value to set

remove

public static void remove(java.lang.String key)

Removes the entry at a specific key

Parameters:

key - the key whose entry to remove