71 lines
2.0 KiB
C++
71 lines
2.0 KiB
C++
/*
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Copyright (c) 2015, 2016, Oracle and/or its affiliates. All rights reserved.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; version 2 of the License.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#ifndef ABSTRACT_CRAWLER_INCLUDED
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#define ABSTRACT_CRAWLER_INCLUDED
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#include "i_crawler.h"
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#include "abstract_chain_element.h"
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#include "i_chain_maker.h"
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#include "i_dump_task.h"
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#include "base/abstract_program.h"
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namespace Mysql{
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namespace Tools{
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namespace Dump{
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class Abstract_crawler : public Abstract_chain_element,
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public virtual I_crawler
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{
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public:
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/**
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Adds new Chain Maker to ask for chains for found objects.
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*/
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virtual void register_chain_maker(I_chain_maker* new_chain_maker);
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~Abstract_crawler();
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protected:
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Abstract_crawler(
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Mysql::I_callable<bool, const Mysql::Tools::Base::Message_data&>*
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message_handler, Simple_id_generator* object_id_generator,
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Mysql::Tools::Base::Abstract_program* program);
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/**
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Routine for performing common work on each enumerated DB object.
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*/
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void process_dump_task(I_dump_task* new_dump_task);
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void wait_for_tasks_completion();
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bool need_callbacks_in_child();
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Mysql::Tools::Base::Abstract_program* get_program();
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private:
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std::vector<I_chain_maker*> m_chain_makers;
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std::vector<I_dump_task*> m_dump_tasks_created;
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/**
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Stores next chain ID to be used. Used as ID generator.
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*/
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static my_boost::atomic_uint64_t next_chain_id;
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Mysql::Tools::Base::Abstract_program* m_program;
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};
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}
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}
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}
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#endif
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