Class CachingTopicResolver<T extends Topic>

java.lang.Object

org.springframework.data.redis.listener.support.CachingTopicResolver<T>

All Implemented Interfaces:

TopicResolver<T>

public class CachingTopicResolver<T extends Topic>
extends Object
implements TopicResolver<T>

Caching TopicResolver variant using a TopicResolver for the actual resolution.

This resolver uses a ConcurrentLruCache to cache resolved topics.

Since:

4.1

Author:

Mark Paluch

Constructor Summary

Constructors

Constructor	Description
CachingTopicResolver(int cacheSize, TopicResolver<T> resolver)	Create a new CachingTopicResolver with the given TopicResolver and cache size.

Method Summary

Modifier and Type	Method	Description
T	resolveTopic(String name)	Resolve the given topic name.

Methods inherited from class Object

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

Constructor Details

CachingTopicResolver

public CachingTopicResolver(int cacheSize,
 TopicResolver<T> resolver)

Create a new CachingTopicResolver with the given TopicResolver and cache size.

Parameters:

cacheSize - cache size.

resolver - the actual resolver to resolve topics if not found in cache; must not be null.

Method Details

resolveTopic

public T resolveTopic(String name)

Description copied from interface: TopicResolver

Resolve the given topic name.

Specified by:

resolveTopic in interface TopicResolver<T extends Topic>

Parameters:

name - the topic name to resolve.

Returns:

the resolved topic.