NdbPool.cpp
上传用户:romrleung
上传日期:2022-05-23
资源大小:18897k
文件大小:2k
- /* Copyright (C) 2003 MySQL AB
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
- 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 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */
- #include <Ndb.hpp>
- #include "NdbPoolImpl.hpp"
- #include <NdbPool.hpp>
- static NdbPool* m_pool = 0;
- bool
- create_instance(Uint32 max_ndb_objects,
- Uint32 no_conn_obj,
- Uint32 init_no_ndb_objects)
- {
- if (m_pool != NULL) {
- return false;
- }
- m_pool = NdbPool::create_instance(max_ndb_objects,
- no_conn_obj,
- init_no_ndb_objects);
- if (m_pool == NULL) {
- return false;
- }
- return true;
- }
- void
- drop_instance()
- {
- if (m_pool == NULL) {
- return;
- }
- NdbPool::drop_instance();
- m_pool = NULL;
- }
- Ndb*
- get_ndb_object(Uint32 &hint_id,
- const char* a_catalog_name,
- const char* a_schema_name)
- {
- if (m_pool == NULL) {
- return NULL;
- }
- return m_pool->get_ndb_object(hint_id, a_catalog_name, a_schema_name);
- }
- void
- return_ndb_object(Ndb* returned_object, Uint32 id)
- {
- if (m_pool == NULL) {
- return;
- }
- m_pool->return_ndb_object(returned_object, id);
- }