| 123456789101112131415161718192021222324252627 | // 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 "rocksdb/status.h"namespace ROCKSDB_NAMESPACE {class DB;class WriteCallback { public:  virtual ~WriteCallback() {}  // Will be called while on the write thread before the write executes.  If  // this function returns a non-OK status, the write will be aborted and this  // status will be returned to the caller of DB::Write().  virtual Status Callback(DB* db) = 0;  // return true if writes with this callback can be batched with other writes  virtual bool AllowWriteBatching() = 0;};}  // namespace ROCKSDB_NAMESPACE
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