83 lines
2.6 KiB
C++
83 lines
2.6 KiB
C++
/*
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Copyright (c) 2015, 2019, 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, version 2.0,
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as published by the Free Software Foundation.
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This program is also distributed with certain software (including
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but not limited to OpenSSL) that is licensed under separate terms,
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as designated in a particular file or component or in included license
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documentation. The authors of MySQL hereby grant you an additional
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permission to link the program and your derivative works with the
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separately licensed software that they have included with MySQL.
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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, version 2.0, 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_DUMP_TASK_INCLUDED
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#define ABSTRACT_DUMP_TASK_INCLUDED
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#include <functional>
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#include <mutex>
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#include <vector>
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#include "client/dump/abstract_data_object.h"
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#include "client/dump/abstract_simple_dump_task.h"
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namespace Mysql {
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namespace Tools {
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namespace Dump {
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/**
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Base class for most individual dump process tasks, not suitable for
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lightweight dump tasks (e.g. Row).
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*/
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class Abstract_dump_task : public Abstract_simple_dump_task {
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public:
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Abstract_dump_task(Abstract_data_object *related_object);
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virtual ~Abstract_dump_task();
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I_data_object *get_related_db_object() const;
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std::vector<const Abstract_dump_task *> get_dependencies() const;
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std::vector<Abstract_dump_task *> get_dependents() const;
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void add_dependency(Abstract_dump_task *dependency);
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bool can_be_executed() const;
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void set_completed();
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/**
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Registers callback to be called once this task is able to be executed.
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*/
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void register_execution_availability_callback(
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std::function<void(const Abstract_dump_task *)> *availability_callback);
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private:
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void check_execution_availability();
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Abstract_data_object *m_related_object;
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std::vector<const Abstract_dump_task *> m_dependencies;
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std::vector<Abstract_dump_task *> m_dependents;
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std::vector<std::function<void(const Abstract_dump_task *)> *>
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m_availability_callbacks;
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std::mutex m_task_mutex;
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};
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} // namespace Dump
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} // namespace Tools
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} // namespace Mysql
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#endif
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