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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;
}
}