76 lines
2.1 KiB
C++
76 lines
2.1 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_DUMP_TASK_INCLUDED
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#define ABSTRACT_DUMP_TASK_INCLUDED
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#include "abstract_simple_dump_task.h"
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#include "abstract_data_object.h"
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#include "i_callable.h"
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#include "base/mutex.h"
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#include <vector>
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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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{
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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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Mysql::I_callable<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<Mysql::I_callable<void, const Abstract_dump_task*>*>
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m_availability_callbacks;
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my_boost::mutex m_task_mutex;
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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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