chromium/third_party/leveldatabase/src/include/leveldb/options.h

// Copyright (c) 2011 The LevelDB Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file. See the AUTHORS file for names of contributors.

#ifndef STORAGE_LEVELDB_INCLUDE_OPTIONS_H_
#define STORAGE_LEVELDB_INCLUDE_OPTIONS_H_

#include <cstddef>

#include "leveldb/export.h"

namespace leveldb {

class Cache;
class Comparator;
class Env;
class FilterPolicy;
class Logger;
class Snapshot;

// DB contents are stored in a set of blocks, each of which holds a
// sequence of key,value pairs.  Each block may be compressed before
// being stored in a file.  The following enum describes which
// compression method (if any) is used to compress a block.
enum CompressionType { … };

// Options to control the behavior of a database (passed to DB::Open)
struct LEVELDB_EXPORT Options { … };

// Options that control read operations
struct LEVELDB_EXPORT ReadOptions { … };

// Options that control write operations
struct LEVELDB_EXPORT WriteOptions { … };

}  // namespace leveldb

#endif  // STORAGE_LEVELDB_INCLUDE_OPTIONS_H_