/*
* Copyright (c) 2015-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*/
package com.facebook.cache.common;
/**
* An interface for logging various cache events.
*/
public interface CacheEventListener {
void onHit();
void onMiss();
void onWriteAttempt();
void onReadException();
void onWriteException();
void onEviction(EvictionReason evictionReason, int itemCount, long itemSize);
enum EvictionReason {
CACHE_FULL,
CONTENT_STALE,
USER_FORCED,
CACHE_MANAGER_TRIMMED
}
}