Package org.springframework.pulsar.cache.provider

Interface CacheProviderFactory<K,V>

Type Parameters:

K - the type of cache key

V - the type of cache entries

All Known Implementing Classes:

CaffeineCacheProviderFactory

public interface CacheProviderFactory<K,V>

Interface to create instances of CacheProvider.

Author:

Chris Bono

Nested Class Summary

Nested Classes

Modifier and Type	Interface	Description
static interface	CacheProviderFactory.EvictionListener<K,V>	Interface for a cache eviction listener.

Method Summary

Modifier and Type	Method	Description
CacheProvider<K,V>	create(Duration cacheExpireAfterAccess, Long cacheMaximumSize, Integer cacheInitialCapacity, CacheProviderFactory.EvictionListener<K,V> evictionListener)	Create a cache provider instance with the specified options.
static <K, V> CacheProviderFactory<K,V>	load()	Uses the Java ServiceLoader API to find the first available cache provider factory.

Method Details

create

CacheProvider<K,V> create(Duration cacheExpireAfterAccess,
 Long cacheMaximumSize,
 Integer cacheInitialCapacity,
 CacheProviderFactory.EvictionListener<K,V> evictionListener)

Create a cache provider instance with the specified options.

Parameters:

cacheExpireAfterAccess - time period to expire unused entries in the cache

cacheMaximumSize - maximum size of cache (entries)

cacheInitialCapacity - the initial size of cache

evictionListener - listener called when an entry is evicted from the cache

Returns:

cache provider instance

load

static <K,
V> CacheProviderFactory<K,V> load()

Uses the Java ServiceLoader API to find the first available cache provider factory.

Type Parameters:

K - the type of cache key

V - the type of cache entries

Returns:

the cache provider factory service

Throws:

IllegalStateException - if no factory was found