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<?php |
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/** |
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* Platine Database |
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* |
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* Platine Database is the abstraction layer using PDO with support of query and schema builder |
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* |
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* This content is released under the MIT License (MIT) |
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* |
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* Copyright (c) 2020 Platine Database |
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* |
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* Permission is hereby granted, free of charge, to any person obtaining a copy |
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* of this software and associated documentation files (the "Software"), to deal |
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* in the Software without restriction, including without limitation the rights |
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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* copies of the Software, and to permit persons to whom the Software is |
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* furnished to do so, subject to the following conditions: |
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* |
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* The above copyright notice and this permission notice shall be included in all |
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* 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, EXPRESS OR |
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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* SOFTWARE. |
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*/ |
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/** |
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* @file Pool.php |
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* |
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* The Database Connection pool class |
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* |
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* @package Platine\Database |
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* @author Platine Developers Team |
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* @copyright Copyright (c) 2020 |
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* @license http://opensource.org/licenses/MIT MIT License |
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* @link http://www.iacademy.cf |
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* @version 1.0.0 |
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* @filesource |
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*/ |
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declare(strict_types=1); |
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namespace Platine\Database; |
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use Platine\Database\Exception\ConnectionAlreadyExistsException; |
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use Platine\Database\Exception\ConnectionNotFoundException; |
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/** |
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* Class Pool |
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* @package Platine\Database |
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*/ |
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class Pool |
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{ |
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/** |
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* The default connection name |
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* @var string |
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*/ |
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protected string $default = 'default'; |
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/** |
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* The list of connections |
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* @var array<string, Connection> |
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*/ |
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protected array $connections = []; |
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/** |
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* Class constructor |
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* @param array<string, mixed> $config |
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*/ |
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public function __construct(array $config = []) |
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{ |
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if (!empty($config)) { |
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if ( |
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!empty($config['connections']) |
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&& is_array($config['connections']) |
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) { |
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/** @var array<string, array<string, mixed>> $connections */ |
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$connections = $config['connections']; |
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foreach ($connections as $name => $connection) { |
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$connection['name'] = $name; |
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$this->addConnection($connection); |
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} |
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} |
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if (isset($config['default'])) { |
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$this->setDefault($config['default']); |
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} |
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} |
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} |
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/** |
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* Add new connection to the pool |
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* @param array<string, mixed> $config |
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* @return void |
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* @throws ConnectionAlreadyExistsException |
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*/ |
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public function addConnection(array $config): void |
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{ |
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/** @var ConfigurationInterface $cfg */ |
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$cfg = new Configuration($config); |
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$name = $cfg->getName(); |
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if ($this->has($name)) { |
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throw new ConnectionAlreadyExistsException( |
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sprintf('The connection [%s] already exists', $name) |
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); |
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} |
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$actives = count($this->connections); |
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$this->connections[$name] = new Connection($cfg); |
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if ($actives === 0) { |
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$this->default = $name; |
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} |
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} |
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/** |
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* Check whether the connection exists |
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* @param string $name |
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* @return bool |
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*/ |
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public function has(string $name): bool |
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{ |
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return isset($this->connections[$name]); |
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} |
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/** |
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* Get the connection instance for the given name |
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* if $name is null the default will be returned |
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* @param string|null $name |
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* @return Connection |
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* @throws ConnectionNotFoundException |
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*/ |
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public function getConnection(?string $name = null): Connection |
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{ |
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if ($name === null) { |
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$name = $this->default; |
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} |
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if (!$this->has($name)) { |
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throw new ConnectionNotFoundException( |
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sprintf('The connection [%s] does not exist', $name) |
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); |
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} |
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return $this->connections[$name]; |
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} |
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/** |
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* Set the default connection to use |
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* @param string $name |
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* @return void |
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* @throws ConnectionNotFoundException |
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*/ |
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public function setDefault(string $name): void |
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{ |
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if (!$this->has($name)) { |
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throw new ConnectionNotFoundException( |
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sprintf('The connection [%s] does not exist', $name) |
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); |
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} |
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$this->default = $name; |
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} |
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/** |
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* Remove the given connection |
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* @param string $name |
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* @return void |
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*/ |
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public function remove(string $name): void |
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{ |
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unset($this->connections[$name]); |
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} |
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} |
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platine-php /
database
