Package dev.relism.flash.ext.cache

Interface CacheManager

public interface CacheManager

Creates and hands back named caches. Resolve it with require(CacheManager.class); a backend extension such as flash-ext-cache-caffeine provides the implementation.

 @Override protected void onInit() {
     users = require(CacheManager.class).build("users", spec -> spec
             .maxSize(10_000)
             .ttl(Duration.ofMinutes(10)));
 }
 

build(java.lang.String, java.util.function.Consumer<dev.relism.flash.ext.cache.CacheSpec>) is idempotent per name: calling it twice returns the same cache rather than two, so several handlers can share one without coordinating who creates it. The spec of the first call wins; a later call with a different spec is a configuration mistake and throws.

Method Summary

Modifier and Type	Method	Description
<K, V> Cache<K,V>	build(String name, Consumer<CacheSpec> spec)	Creates the named cache, or returns the existing one.
<K, V> Cache<K,V>	cache(String name)	The named cache, or null if build(java.lang.String, java.util.function.Consumer<dev.relism.flash.ext.cache.CacheSpec>) has not been called for it.
Set<String>	names()	Every cache name built so far, for an ops endpoint.

Method Details

build

<K,
V> Cache<K,V> build(String name,
 Consumer<CacheSpec> spec)

Creates the named cache, or returns the existing one.

cache

<K,
V> Cache<K,V> cache(String name)

The named cache, or null if build(java.lang.String, java.util.function.Consumer<dev.relism.flash.ext.cache.CacheSpec>) has not been called for it.

names

Set<String> names()

Every cache name built so far, for an ops endpoint.