Class CaffeineCache<E>
- java.lang.Object
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- org.opennms.netmgt.dnsresolver.netty.CaffeineCache<E>
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public abstract class CaffeineCache<E> extends Object
Underlying cache used to back theCaffeineDnsCache
. Uses the Caffeine caching library as opposed to Netty's io.netty.resolver.dns.Cache implementation so that we can: 1) Limit the cache's size (and intelligently evict entries) 2) Expose cache stats- Author:
- jwhite
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Constructor Summary
Constructors Constructor Description CaffeineCache(long maxSize)
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Method Summary
All Methods Instance Methods Abstract Methods Concrete Methods Modifier and Type Method Description void
cache(String key, E entry, int ttl)
void
clear()
void
clear(String key)
Collection<E>
get(String key)
protected abstract boolean
shouldReplaceAll(E entry)
Returnstrue
if this entry should replace all other entries that are already cached for the hostname.long
size()
com.github.benmanes.caffeine.cache.stats.CacheStats
stats()
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Method Detail
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shouldReplaceAll
protected abstract boolean shouldReplaceAll(E entry)
Returnstrue
if this entry should replace all other entries that are already cached for the hostname.
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clear
public void clear()
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clear
public void clear(String key)
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get
public Collection<E> get(String key)
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size
public long size()
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stats
public com.github.benmanes.caffeine.cache.stats.CacheStats stats()
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