polardbxengine/plugin/x/tests/driver/processor/block_processor.h

49 lines
1.7 KiB
C++

/*
* Copyright (c) 2017, 2018, Oracle and/or its affiliates. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License, version 2.0,
* as published by the Free Software Foundation.
*
* This program is also distributed with certain software (including
* but not limited to OpenSSL) that is licensed under separate terms,
* as designated in a particular file or component or in included license
* documentation. The authors of MySQL hereby grant you an additional
* permission to link the program and your derivative works with the
* separately licensed software that they have included with MySQL.
*
* This program 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 General Public License, version 2.0, for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
#ifndef PLUGIN_X_TESTS_DRIVER_PROCESSOR_BLOCK_PROCESSOR_H_
#define PLUGIN_X_TESTS_DRIVER_PROCESSOR_BLOCK_PROCESSOR_H_
#include <memory>
class Block_processor {
public:
enum class Result {
Feed_more,
Eaten_but_not_hungry,
Not_hungry,
Indigestion,
Everyone_not_hungry
};
virtual ~Block_processor() = default;
virtual Result feed(std::istream &input, const char *linebuf) = 0;
virtual bool feed_ended_is_state_ok() { return true; }
};
using Block_processor_ptr = std::shared_ptr<Block_processor>;
#endif // PLUGIN_X_TESTS_DRIVER_PROCESSOR_BLOCK_PROCESSOR_H_