org.ff4j.cache

Interface FeatureCacheManager

All Known Implementing Classes:

InMemoryCacheManager

public interface FeatureCacheManager

Cache Layer on top of FeatureStore to enhance performances.

Author:

Cedrick LUNVEN

Method Summary

Modifier and Type	Method and Description
void	clear() Remove everything present within cache.
void	evict(String featureId) Remove a feature from cache by its identifier.
Feature	get(String featureId) Return feature stored in cache.
String	getCacheProviderName() Get name of expected cache.
Object	getNativeCache() Access to embedded implementation of cache.
Set<String>	listCachedFeatureNames() List feature names in cache.
void	put(Feature feat) Add feature to cache.

Method Detail

clear

void clear()

Remove everything present within cache.

evict

void evict(String featureId)

Remove a feature from cache by its identifier. Could be invoked for any modification of target feature through store or when time-to-live reached.

Parameters:

featureId - feature identifier

put

void put(Feature feat)

Add feature to cache.

Parameters:

feat - target feature to be cached

get

Feature get(String featureId)

Return feature stored in cache.

Parameters:

featureId - target feature identifier

Returns:

target feature if exist (could raise FeatureNotFoundException as FeatureStore).

listCachedFeatureNames

Set<String> listCachedFeatureNames()

List feature names in cache.

Returns:

feature names in cache

getNativeCache

Object getNativeCache()

Access to embedded implementation of cache.

Returns:

native implementation of cache.

getCacheProviderName

String getCacheProviderName()

Get name of expected cache.

Returns:

target cache name