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<?php declare(strict_types=1); |
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namespace Janisbiz\LightOrm; |
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use Janisbiz\LightOrm\Connection\ConnectionConfigInterface; |
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use Janisbiz\LightOrm\Connection\ConnectionInterface; |
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use Janisbiz\LightOrm\Connection\ConnectionInvalidArgumentException; |
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class ConnectionPool |
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{ |
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/** |
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* @var ConnectionConfigInterface[] |
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*/ |
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protected static $connectionConfig = []; |
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/** |
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* @var ConnectionInterface[] |
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*/ |
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protected static $connections = []; |
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/** |
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* @param ConnectionConfigInterface $connectionConfig |
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* |
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* @return $this |
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*/ |
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public function addConnectionConfig(ConnectionConfigInterface $connectionConfig): ConnectionPool |
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{ |
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static::$connectionConfig[$connectionConfig->getDbname()] = $connectionConfig; |
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return $this; |
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} |
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/** |
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* @param string $dbName |
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* |
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* @return ConnectionInterface |
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* @throws ConnectionInvalidArgumentException |
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*/ |
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public function getConnection($dbName): ConnectionInterface |
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{ |
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if (!\array_key_exists($dbName, static::$connectionConfig)) { |
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if (empty(static::$connectionConfig)) { |
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throw new ConnectionInvalidArgumentException(\sprintf( |
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'Could not find connection by name "%s"!', |
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$dbName |
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)); |
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} else { |
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throw new ConnectionInvalidArgumentException(\sprintf( |
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'Could not find connection by name "%s"! Available connections: "%s".', |
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$dbName, |
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\implode('", "', \array_keys(static::$connectionConfig)) |
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)); |
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} |
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} |
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$connectionConfig = static::$connectionConfig[$dbName]; |
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if (!isset(static::$connections[$dbName])) { |
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static::$connections[$dbName] = $this->createConnection($connectionConfig); |
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} |
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return static::$connections[$dbName]; |
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} |
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/** |
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* @param string $dbName |
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* |
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* @return ConnectionInterface |
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*/ |
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public static function getConnectionStatic($dbName): ConnectionInterface |
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{ |
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return (new static())->getConnection($dbName); |
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} |
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/** |
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* Ignoring for code coverage, as this requires to have a real connection to be tested. |
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* @codeCoverageIgnore |
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* |
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* @param ConnectionConfigInterface $connectionConfig |
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* |
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* @return ConnectionInterface |
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*/ |
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protected function createConnection(ConnectionConfigInterface $connectionConfig): ConnectionInterface |
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{ |
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$adapterConnectionClass = $connectionConfig->getAdapterConnectionClass(); |
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return new $adapterConnectionClass( |
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$connectionConfig->generateDsn(), |
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$connectionConfig->getUsername(), |
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$connectionConfig->getPassword() |
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); |
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} |
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} |
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