94 lines
3.2 KiB
C++
94 lines
3.2 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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#include "client/dump/abstract_dump_task.h"
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#include <functional>
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#include <mutex>
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using namespace Mysql::Tools::Dump;
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Abstract_dump_task::Abstract_dump_task(Abstract_data_object *related_object)
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: m_related_object(related_object) {}
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Abstract_dump_task::~Abstract_dump_task() {}
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I_data_object *Abstract_dump_task::get_related_db_object() const {
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return m_related_object;
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}
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void Abstract_dump_task::check_execution_availability() {
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if (m_availability_callbacks.size() > 0 && this->can_be_executed()) {
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std::lock_guard<std::mutex> lock(m_task_mutex);
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for (std::vector<std::function<void(const Abstract_dump_task *)>
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*>::const_iterator it =
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m_availability_callbacks.begin();
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it != m_availability_callbacks.end(); ++it) {
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(**it)(this);
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}
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m_availability_callbacks.clear();
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}
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}
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void Abstract_dump_task::register_execution_availability_callback(
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std::function<void(const Abstract_dump_task *)> *availability_callback) {
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std::lock_guard<std::mutex> lock(m_task_mutex);
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m_availability_callbacks.push_back(availability_callback);
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}
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void Abstract_dump_task::set_completed() {
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Abstract_simple_dump_task::set_completed();
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std::lock_guard<std::mutex> lock(m_task_mutex);
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for (std::vector<Abstract_dump_task *>::iterator it = m_dependents.begin();
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it != m_dependents.end(); ++it) {
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(*it)->check_execution_availability();
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}
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}
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bool Abstract_dump_task::can_be_executed() const {
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for (std::vector<const Abstract_dump_task *>::const_iterator it =
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m_dependencies.begin();
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it != m_dependencies.end(); ++it) {
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if ((*it)->is_completed() == false) return false;
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}
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return true;
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}
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void Abstract_dump_task::add_dependency(Abstract_dump_task *dependency) {
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m_dependencies.push_back(dependency);
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std::lock_guard<std::mutex> lock(dependency->m_task_mutex);
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dependency->m_dependents.push_back(this);
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}
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std::vector<Abstract_dump_task *> Abstract_dump_task::get_dependents() const {
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return m_dependents;
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}
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std::vector<const Abstract_dump_task *> Abstract_dump_task::get_dependencies()
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const {
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return m_dependencies;
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}
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