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<?php /** * Bitrix Framework * @package bitrix * @subpackage main * @copyright 2001-2014 Bitrix */ namespace Bitrix\Main\Data; /** * Class Connection * * Abstarct base class for data connections. */ abstract class Connection { /** @var resource */ protected $resource; protected $isConnected = false; protected $configuration; public function __construct(array $configuration) { $this->configuration = $configuration; } /** * Connects to data source. */ public function connect() { $this->isConnected = false; $this->connectInternal(); } /** * Disconects from data source. */ public function disconnect() { $this->disconnectInternal(); } /** * Returns the resource of the connection. * * @return resource */ public function getResource() { $this->connectInternal(); return $this->resource; } /** * Returns the state of the connection. * * @return bool */ public function isConnected() { return $this->isConnected; } abstract protected function connectInternal(); abstract protected function disconnectInternal(); /** * Returns the array with the connection parameters. * * @return array */ public function getConfiguration() { return $this->configuration; } /** * Returns max packet length to send to or receive from the database server. * * @return int */ public function getMaxAllowedPacket() { return PHP_INT_MAX; } }