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- added 'Cache' interface and 'DefaultCache' implementation in regard…
… to design doc - added 'EvictionPolicy' interface and LRU implementation - move cache object validation and cache control stuf from 'ClientSideCache' into 'CacheConnection' - make guava and caffeine caches experimental
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,98 @@ | ||
| package redis.clients.jedis.csc; | ||
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| import java.util.Collection; | ||
| import java.util.List; | ||
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| /** | ||
| * The cache that is used by a connection | ||
| */ | ||
| public interface Cache { | ||
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| /** | ||
| * @return The size of the cache | ||
| */ | ||
| int getMaxSize(); | ||
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| /** | ||
| * @return The current size of the cache | ||
| */ | ||
| int getSize(); | ||
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| /** | ||
| * @return All the entries within the cache | ||
| */ | ||
| Collection<CacheEntry> getCacheEntries(); | ||
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| /** | ||
| * Fetches a value from the cache | ||
| * | ||
| * @param cacheKey The key within the cache | ||
| * @return The entry within the cache | ||
| */ | ||
| CacheEntry get(CacheKey cacheKey); | ||
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| /** | ||
| * Puts a value into the cache | ||
| * | ||
| * @param cacheKey The key by which the value can be accessed within the cache | ||
| * @param value The value to be put into the cache | ||
| * @return The cache entry | ||
| */ | ||
| CacheEntry set(CacheKey cacheKey, CacheEntry value); | ||
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| /** | ||
| * Delete an entry by cache key | ||
| * @param cacheKey The cache key of the entry in the cache | ||
| * @return True if the entry could be deleted, false if the entry wasn't found. | ||
| */ | ||
| Boolean delete(CacheKey cacheKey); | ||
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| /** | ||
| * Delete entries by cache key from the cache | ||
| * | ||
| * @param cacheKeys The cache keys of the entries that should be deleted | ||
| * @return True for every entry that could be deleted. False if the entry was not there. | ||
| */ | ||
| List<Boolean> delete(List<CacheKey> cacheKeys); | ||
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| /** | ||
| * Delete an entry by the Redis key from the cache | ||
| * | ||
| * @param key The Redis key as binary | ||
| * @return True if the entry could be deleted. False if the entry was not there. | ||
| */ | ||
| List<CacheKey> deleteByRedisKey(Object key); | ||
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| /** | ||
| * Delete entries by the Redis key from the cache | ||
| * | ||
| * @param keys The Redis keys as binaries | ||
| * @return True for every entry that could be deleted. False if the entry was not there. | ||
| */ | ||
| List<CacheKey> deleteByRedisKeys(List keys); | ||
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| /** | ||
| * Flushes the entire cache | ||
| * | ||
| * @return Return the number of entries that were flushed | ||
| */ | ||
| int flush(); | ||
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| /** | ||
| * @param cacheKey The key of the cache entry | ||
| * @return True if the entry is cachable, false otherwise | ||
| */ | ||
| Boolean isCacheable(CacheKey cacheKey); | ||
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| /** | ||
| * | ||
| * @param cacheKey The key of the cache entry | ||
| * @return True if the cache already contains the key | ||
| */ | ||
| Boolean hasCacheKey(CacheKey cacheKey); | ||
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| /** | ||
| * @return The eviction policy that is used by the cache | ||
| */ | ||
| EvictionPolicy getEvictionPolicy(); | ||
| } |
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