org.springframework.cache.support

Class NoOpCacheManager

java.lang.Object

org.springframework.cache.support.NoOpCacheManager

All Implemented Interfaces:

CacheManager

public class NoOpCacheManager
extends java.lang.Object
implements CacheManager

A basic, no operation CacheManager implementation suitable for disabling caching, typically used for backing cache declarations without an actual backing store.

Will simply accept any items into the cache not actually storing them.

Since:

3.1

Author:

Costin Leau, Stephane Nicoll

See Also:

CompositeCacheManager

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
private static class	NoOpCacheManager.NoOpCache

Field Summary

Fields

Modifier and Type	Field and Description
private java.util.Set<java.lang.String>	cacheNames
private java.util.concurrent.ConcurrentMap<java.lang.String,Cache>	caches

Constructor Summary

Constructors

Constructor and Description
NoOpCacheManager()

Method Summary

Modifier and Type	Method and Description
Cache	getCache(java.lang.String name) This implementation always returns a Cache implementation that will not store items.
java.util.Collection<java.lang.String>	getCacheNames() This implementation returns the name of the caches previously requested.

Methods inherited from class java.lang.Object

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

Field Detail

caches

private final java.util.concurrent.ConcurrentMap<java.lang.String,Cache> caches

cacheNames

private final java.util.Set<java.lang.String> cacheNames

Constructor Detail

NoOpCacheManager

public NoOpCacheManager()

Method Detail

getCache

public Cache getCache(java.lang.String name)

This implementation always returns a Cache implementation that will not store items. Additionally, the request cache will be remembered by the manager for consistency.

Specified by:

getCache in interface CacheManager

Parameters:

name - the cache identifier (must not be null)

Returns:

the associated cache, or null if none found

getCacheNames

public java.util.Collection<java.lang.String> getCacheNames()

This implementation returns the name of the caches previously requested.

Specified by:

getCacheNames in interface CacheManager

Returns:

the names of all caches known by the cache manager