mirror of
https://github.com/Relintai/pandemonium_engine.git
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92 lines
3.6 KiB
C++
92 lines
3.6 KiB
C++
/*************************************************************************/
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/* database_multi_threaded.cpp */
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/*************************************************************************/
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/* This file is part of: */
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/* PANDEMONIUM ENGINE */
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/* https://github.com/Relintai/pandemonium_engine */
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/*************************************************************************/
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/* Copyright (c) 2022-present Péter Magyar. */
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/* Copyright (c) 2014-2022 Godot Engine contributors (cf. AUTHORS.md). */
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/* Copyright (c) 2007-2022 Juan Linietsky, Ariel Manzur. */
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/* */
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/* Permission is hereby granted, free of charge, to any person obtaining */
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/* a copy of this software and associated documentation files (the */
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/* "Software"), to deal in the Software without restriction, including */
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/* without limitation the rights to use, copy, modify, merge, publish, */
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/* distribute, sublicense, and/or sell copies of the Software, and to */
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/* permit persons to whom the Software is furnished to do so, subject to */
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/* the following conditions: */
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/* */
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/* The above copyright notice and this permission notice shall be */
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/* included in all copies or substantial portions of the Software. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
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/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
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/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
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/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
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/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
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/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
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/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
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/*************************************************************************/
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#include "database_multi_threaded.h"
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#include "database_connection.h"
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#include "query_builder.h"
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#include "query_result.h"
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#include "table_builder.h"
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Ref<DatabaseConnection> DatabaseMultiThreaded::get_connection() {
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_connection_map_lock.read_lock();
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Thread::ID tid = Thread::get_caller_id();
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RBMap<Thread::ID, Ref<DatabaseConnection>>::Element *e;
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e = _connections.find(tid);
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if (!e) {
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_connection_map_lock.read_unlock();
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_connection_map_lock.write_lock();
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Ref<DatabaseConnection> dbc = _allocate_connection();
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_connections.insert(tid, dbc);
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_connection_map_lock.write_unlock();
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return dbc;
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}
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Ref<DatabaseConnection> dbc = e->get();
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_connection_map_lock.read_unlock();
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return dbc;
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}
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Ref<DatabaseConnection> DatabaseMultiThreaded::_allocate_connection() {
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Ref<DatabaseConnection> dbc;
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dbc.instance();
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dbc->set_owner(this);
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dbc->database_connect(_connection_string);
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return dbc;
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}
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DatabaseMultiThreaded::DatabaseMultiThreaded() {
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}
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DatabaseMultiThreaded::~DatabaseMultiThreaded() {
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_connection_map_lock.write_lock();
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for (RBMap<Thread::ID, Ref<DatabaseConnection>>::Element *e = _connections.front(); e; e = e->next()) {
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Ref<DatabaseConnection> dbc = e->get();
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if (dbc.is_valid()) {
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dbc->set_owner(nullptr);
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}
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}
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_connections.clear();
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_connection_map_lock.write_unlock();
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}
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void DatabaseMultiThreaded::_bind_methods() {
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}
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