Package org.apache.pulsar.reactive.client.adapter

Interface ProducerCacheProvider

All Superinterfaces:

AutoCloseable

All Known Implementing Classes:

ConcurrentHashMapProducerCacheProvider

public interface ProducerCacheProvider
extends AutoCloseable

Cache provider interface used by the ReactiveMessageSender to cache the underlying Producers it uses.

Method Summary

Modifier and Type	Method	Description
<K, V> CompletableFuture<V>	getOrCreateCachedEntry(K key, Function<K,CompletableFuture<V>> createEntryFunction)	Gets or create an entry in the cache.

Methods inherited from interface java.lang.AutoCloseable

close

Method Details

getOrCreateCachedEntry

<K,
V> CompletableFuture<V> getOrCreateCachedEntry(K key,
 Function<K,CompletableFuture<V>> createEntryFunction)

Gets or create an entry in the cache.

Type Parameters:

K - the type of the cache key

V - the type of the cache entry value

Parameters:

key - the cache key

createEntryFunction - a function called to create the entry in the cache if it's not present.

Returns:

the cache entry value