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<?php
/**
* Zend Framework (http://framework.zend.com/)
*
* @link http://github.com/zendframework/zf2 for the canonical source repository
* @copyright Copyright (c) 2005-2016 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Db\Adapter\Driver\Sqlsrv;
use Zend\Db\Adapter\Driver\DriverInterface;
use Zend\Db\Adapter\Exception;
use Zend\Db\Adapter\Profiler;
class Sqlsrv implements DriverInterface, Profiler\ProfilerAwareInterface
{
/**
* @var Connection
*/
protected $connection = null;
/**
* @var Statement
*/
protected $statementPrototype = null;
/**
* @var Result
*/
protected $resultPrototype = null;
/**
* @var null|Profiler\ProfilerInterface
*/
protected $profiler = null;
/**
* @param array|Connection|resource $connection
* @param null|Statement $statementPrototype
* @param null|Result $resultPrototype
*/
public function __construct($connection, Statement $statementPrototype = null, Result $resultPrototype = null)
{
if (! $connection instanceof Connection) {
$connection = new Connection($connection);
}
$this->registerConnection($connection);
$this->registerStatementPrototype(($statementPrototype) ?: new Statement());
$this->registerResultPrototype(($resultPrototype) ?: new Result());
}
/**
* @param Profiler\ProfilerInterface $profiler
* @return self Provides a fluent interface
*/
public function setProfiler(Profiler\ProfilerInterface $profiler)
{
$this->profiler = $profiler;
if ($this->connection instanceof Profiler\ProfilerAwareInterface) {
$this->connection->setProfiler($profiler);
}
if ($this->statementPrototype instanceof Profiler\ProfilerAwareInterface) {
$this->statementPrototype->setProfiler($profiler);
}
return $this;
}
/**
* @return null|Profiler\ProfilerInterface
*/
public function getProfiler()
{
return $this->profiler;
}
/**
* Register connection
*
* @param Connection $connection
* @return self Provides a fluent interface
*/
public function registerConnection(Connection $connection)
{
$this->connection = $connection;
$this->connection->setDriver($this);
return $this;
}
/**
* Register statement prototype
*
* @param Statement $statementPrototype
* @return self Provides a fluent interface
*/
public function registerStatementPrototype(Statement $statementPrototype)
{
$this->statementPrototype = $statementPrototype;
$this->statementPrototype->setDriver($this);
return $this;
}
/**
* Register result prototype
*
* @param Result $resultPrototype
* @return self Provides a fluent interface
*/
public function registerResultPrototype(Result $resultPrototype)
{
$this->resultPrototype = $resultPrototype;
return $this;
}
/**
* Get database paltform name
*
* @param string $nameFormat
* @return string
*/
public function getDatabasePlatformName($nameFormat = self::NAME_FORMAT_CAMELCASE)
{
if ($nameFormat == self::NAME_FORMAT_CAMELCASE) {
return 'SqlServer';
}
return 'SQLServer';
}
/**
* Check environment
*
* @throws Exception\RuntimeException
* @return void
*/
public function checkEnvironment()
{
if (! extension_loaded('sqlsrv')) {
throw new Exception\RuntimeException(
'The Sqlsrv extension is required for this adapter but the extension is not loaded'
);
}
}
/**
* @return Connection
*/
public function getConnection()
{
return $this->connection;
}
/**
* @param string|resource $sqlOrResource
* @return Statement
*/
public function createStatement($sqlOrResource = null)
{
$statement = clone $this->statementPrototype;
if (is_resource($sqlOrResource)) {
$statement->initialize($sqlOrResource);
} else {
if (! $this->connection->isConnected()) {
$this->connection->connect();
}
$statement->initialize($this->connection->getResource());
if (is_string($sqlOrResource)) {
$statement->setSql($sqlOrResource);
} elseif ($sqlOrResource !== null) {
throw new Exception\InvalidArgumentException(
'createStatement() only accepts an SQL string or a Sqlsrv resource'
);
}
}
return $statement;
}
/**
* @param resource $resource
* @return Result
*/
public function createResult($resource)
{
$result = clone $this->resultPrototype;
$result->initialize($resource, $this->connection->getLastGeneratedValue());
return $result;
}
/**
* @return string
*/
public function getPrepareType()
{
return self::PARAMETERIZATION_POSITIONAL;
}
/**
* @param string $name
* @param mixed $type
* @return string
*/
public function formatParameterName($name, $type = null)
{
return '?';
}
/**
* @return mixed
*/
public function getLastGeneratedValue()
{
return $this->getConnection()->getLastGeneratedValue();
}
}