polardbxengine/plugin/galaxy/service/service_registry.h

52 lines
1.9 KiB
C++

/* Copyright (c) 2018, 2021, Alibaba 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, version 2.0,
as published by the Free Software Foundation.
This program is also distributed with certain software (including
but not limited to OpenSSL) that is licensed under separate terms,
as designated in a particular file or component or in included license
documentation. The authors of MySQL/PolarDB-X Engine hereby grant you an
additional permission to link the program and your derivative works with the
separately licensed software that they have included with
MySQL/PolarDB-X Engine.
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, version 2.0, 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 PLUGIN_GALAXY_SERVICE_SERVICE_REGISTRY_H
#define PLUGIN_GALAXY_SERVICE_SERVICE_REGISTRY_H
#include "mysql/service_plugin_registry.h"
namespace gs {
namespace srv {
class Service_registry {
public:
Service_registry() { m_registry = mysql_plugin_registry_acquire(); }
virtual ~Service_registry() { mysql_plugin_registry_release(m_registry); }
my_h_service acquire(const char *service_name) {
my_h_service result;
if (!m_registry->acquire(service_name, &result)) return result;
return nullptr;
}
bool release(my_h_service service) { return m_registry->release(service); }
private:
SERVICE_TYPE(registry) * m_registry;
};
} // namespace srv
} // namespace gs
#endif