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