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// Copyright (c) 2011-present, Facebook, Inc. All rights reserved.
// This source code is licensed under both the GPLv2 (found in the
// COPYING file in the root directory) and Apache 2.0 License
// (found in the LICENSE.Apache file in the root directory).
#pragma once
#include <string>
#include "cache/cache_key.h"
#include "monitoring/statistics.h"
#include "rocksdb/persistent_cache.h"
namespace ROCKSDB_NAMESPACE {
// PersistentCacheOptions
//
// This describe the caching behavior for page cache
// This is used to pass the context for caching and the cache handle
struct PersistentCacheOptions {
PersistentCacheOptions() {}
explicit PersistentCacheOptions(
const std::shared_ptr<PersistentCache>& _persistent_cache,
const OffsetableCacheKey& _base_cache_key, Statistics* const _statistics)
: persistent_cache(_persistent_cache),
base_cache_key(_base_cache_key),
statistics(_statistics) {}
std::shared_ptr<PersistentCache> persistent_cache;
OffsetableCacheKey base_cache_key;
Statistics* statistics = nullptr;
static const PersistentCacheOptions kEmpty;
};
} // namespace ROCKSDB_NAMESPACE
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