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/******************************************************************************
* Copyright (c) Intel Corporation - All rights reserved. *
* This file is part of the LIBXSMM library. *
* *
* For information on the license, see the LICENSE file. *
* Further information: https://github.com/hfp/libxsmm/ *
* SPDX-License-Identifier: BSD-3-Clause *
******************************************************************************/
/* Sasikanth Avancha, Dhiraj Kalamkar (Intel Corp.)
******************************************************************************/
#ifndef _DB_HPP_
#define _DB_HPP_
#include <string>
#include <utility>
using namespace std;
class Cursor {
public:
Cursor() { }
virtual ~Cursor() { }
virtual void SeekToFirst() = 0;
virtual void Next(int skip = 0) = 0;
virtual string key() = 0;
virtual string value() = 0;
virtual int count() = 0;
virtual std::pair<void*, size_t> valuePointer() = 0;
virtual bool valid() = 0;
//DISABLE_COPY_AND_ASSIGN(Cursor);
};
class DB {
public:
DB() { }
virtual ~DB() { }
virtual void Open(const string& source)= 0;
virtual void Close() = 0;
virtual Cursor* NewCursor() = 0;
//DISABLE_COPY_AND_ASSIGN(DB);
};
//DB* GetDB(DataParameter::DB backend);
DB* GetDB(const string& backend);
#endif // _DB_HPP_
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