mirror of https://github.com/poanetwork/gecko.git
42 lines
1.0 KiB
Go
42 lines
1.0 KiB
Go
// (c) 2019-2020, Ava Labs, Inc. All rights reserved.
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// See the file LICENSE for licensing terms.
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package cache
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import (
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"github.com/ava-labs/gecko/ids"
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)
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// Cacher acts as a best effort key value store
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type Cacher interface {
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// Put inserts an element into the cache. If spaced is required, elements will
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// be evicted.
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Put(key ids.ID, value interface{})
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// Get returns the entry in the cache with the key specified, if no value
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// exists, false is returned.
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Get(key ids.ID) (interface{}, bool)
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// Evict removes the specified entry from the cache
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Evict(key ids.ID)
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// Flush removes all entries from the cache
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Flush()
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}
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// Evictable allows the object to be notified when it is evicted
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type Evictable interface {
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ID() ids.ID
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Evict()
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}
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// Deduplicator acts as a best effort deduplication service
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type Deduplicator interface {
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// Deduplicate returns either the provided value, or a previously provided
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// value with the same ID that hasn't yet been evicted
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Deduplicate(Evictable) Evictable
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// Flush removes all entries from the cache
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Flush()
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}
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