mysql5/mysql-5.7.27/client/dump/i_chain_maker.h

54 lines
1.4 KiB
C++

/*
Copyright (c) 2015, 2016 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 as published by
the Free Software Foundation; version 2 of the License.
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 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 I_CHAIN_MAKER_INCLUDED
#define I_CHAIN_MAKER_INCLUDED
#include "i_chain_element.h"
#include "i_object_reader.h"
#include "i_dump_task.h"
#include "chain_data.h"
#include "my_global.h"
namespace Mysql{
namespace Tools{
namespace Dump{
class I_chain_maker : public virtual I_chain_element
{
public:
/**
Creates new chain for specified dump task. May return null if do not want
to process specified object.
*/
virtual I_object_reader* create_chain(
Chain_data* chain_data, I_dump_task* dump_task)= 0;
/**
Frees resources used by specified chain.
*/
virtual void delete_chain(
uint64 chain_id, I_object_reader* chain)= 0;
virtual void stop_queues()= 0;
};
}
}
}
#endif