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/*
Copyright(C) 2011-2016 Brazil
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
#pragma once
#include "key.hpp"
namespace grn {
namespace dat {
class GRN_DAT_API Cursor {
public:
Cursor() {}
virtual ~Cursor() {}
virtual void close() = 0;
virtual const Key &next() = 0;
virtual UInt32 offset() const = 0;
virtual UInt32 limit() const = 0;
virtual UInt32 flags() const = 0;
private:
// Disallows copy and assignment.
Cursor(const Cursor &);
Cursor &operator=(const Cursor &);
};
} // namespace dat
} // namespace grn
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