php Zend Framework http framework zend com link http github com zendfr

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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) 2005-2014 Zend Technologies USA Inc. (http://www.zend.com)
* @license http://framework.zend.com/license/new-bsd New BSD License
*/
namespace Zend\Db\Adapter\Driver\Pdo;
use PDOStatement;
use Zend\Db\Adapter\Driver\DriverInterface;
use Zend\Db\Adapter\Driver\Feature\AbstractFeature;
use Zend\Db\Adapter\Driver\Feature\DriverFeatureInterface;
use Zend\Db\Adapter\Exception;
use Zend\Db\Adapter\Profiler;
class Pdo implements DriverInterface, DriverFeatureInterface, Profiler\ProfilerAwareInterface
{
/**
* @const
*/
const FEATURES_DEFAULT = 'default';
/**
* @var Connection
*/
protected $connection = null;
/**
* @var Statement
*/
protected $statementPrototype = null;
/**
* @var Result
*/
protected $resultPrototype = null;
/**
* @var array
*/
protected $features = array();
/**
* @param array|Connection|\PDO $connection
* @param null|Statement $statementPrototype
* @param null|Result $resultPrototype
* @param string $features
*/
public function __construct($connection, Statement $statementPrototype = null, Result $resultPrototype = null, $features = self::FEATURES_DEFAULT)
{
if (!$connection instanceof Connection) {
$connection = new Connection($connection);
}
$this->registerConnection($connection);
$this->registerStatementPrototype(($statementPrototype) ?: new Statement());
$this->registerResultPrototype(($resultPrototype) ?: new Result());
if (is_array($features)) {
foreach ($features as $name => $feature) {
$this->addFeature($name, $feature);
}
} elseif ($features instanceof AbstractFeature) {
$this->addFeature($features->getName(), $features);
} elseif ($features === self::FEATURES_DEFAULT) {
$this->setupDefaultFeatures();
}
}
/**
* @param Profiler\ProfilerInterface $profiler
* @return Pdo
*/
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 Pdo
*/
public function registerConnection(Connection $connection)
{
$this->connection = $connection;
$this->connection->setDriver($this);
return $this;
}
/**
* Register statement prototype
*
* @param Statement $statementPrototype
*/
public function registerStatementPrototype(Statement $statementPrototype)
{
$this->statementPrototype = $statementPrototype;
$this->statementPrototype->setDriver($this);
}
/**
* Register result prototype
*
* @param Result $resultPrototype
*/
public function registerResultPrototype(Result $resultPrototype)
{
$this->resultPrototype = $resultPrototype;
}
/**
* Add feature
*
* @param string $name
* @param AbstractFeature $feature
* @return Pdo
*/
public function addFeature($name, $feature)
{
if ($feature instanceof AbstractFeature) {
$name = $feature->getName(); // overwrite the name, just in case
$feature->setDriver($this);
}
$this->features[$name] = $feature;
return $this;
}
/**
* Setup the default features for Pdo
*
* @return Pdo
*/
public function setupDefaultFeatures()
{
$driverName = $this->connection->getDriverName();
if ($driverName == 'sqlite') {
$this->addFeature(null, new Feature\SqliteRowCounter);
} elseif ($driverName == 'oci') {
$this->addFeature(null, new Feature\OracleRowCounter);
}
return $this;
}
/**
* Get feature
*
* @param $name
* @return AbstractFeature|false
*/
public function getFeature($name)
{
if (isset($this->features[$name])) {
return $this->features[$name];
}
return false;
}
/**
* Get database platform name
*
* @param string $nameFormat
* @return string
*/
public function getDatabasePlatformName($nameFormat = self::NAME_FORMAT_CAMELCASE)
{
$name = $this->getConnection()->getDriverName();
if ($nameFormat == self::NAME_FORMAT_CAMELCASE) {
switch ($name) {
case 'pgsql':
return 'Postgresql';
case 'oci':
return 'Oracle';
case 'dblib':
case 'sqlsrv':
return 'SqlServer';
default:
return ucfirst($name);
}
} else {
switch ($name) {
case 'sqlite':
return 'SQLite';
case 'mysql':
return 'MySQL';
case 'pgsql':
return 'PostgreSQL';
case 'oci':
return 'Oracle';
case 'dblib':
case 'sqlsrv':
return 'SQLServer';
default:
return ucfirst($name);
}
}
}
/**
* Check environment
*/
public function checkEnvironment()
{
if (!extension_loaded('PDO')) {
throw new Exception\RuntimeException('The PDO extension is required for this adapter but the extension is not loaded');
}
}
/**
* @return Connection
*/
public function getConnection()
{
return $this->connection;
}
/**
* @param string|PDOStatement $sqlOrResource
* @return Statement
*/
public function createStatement($sqlOrResource = null)
{
$statement = clone $this->statementPrototype;
if ($sqlOrResource instanceof PDOStatement) {
$statement->setResource($sqlOrResource);
} else {
if (is_string($sqlOrResource)) {
$statement->setSql($sqlOrResource);
}
if (!$this->connection->isConnected()) {
$this->connection->connect();
}
$statement->initialize($this->connection->getResource());
}
return $statement;
}
/**
* @param resource $resource
* @param mixed $context
* @return Result
*/
public function createResult($resource, $context = null)
{
$result = clone $this->resultPrototype;
$rowCount = null;
// special feature, sqlite PDO counter
if ($this->connection->getDriverName() == 'sqlite'
&& ($sqliteRowCounter = $this->getFeature('SqliteRowCounter'))
&& $resource->columnCount() > 0) {
$rowCount = $sqliteRowCounter->getRowCountClosure($context);
}
// special feature, oracle PDO counter
if ($this->connection->getDriverName() == 'oci'
&& ($oracleRowCounter = $this->getFeature('OracleRowCounter'))
&& $resource->columnCount() > 0) {
$rowCount = $oracleRowCounter->getRowCountClosure($context);
}
$result->initialize($resource, $this->connection->getLastGeneratedValue(), $rowCount);
return $result;
}
/**
* @return array
*/
public function getPrepareType()
{
return self::PARAMETERIZATION_NAMED;
}
/**
* @param string $name
* @param string|null $type
* @return string
*/
public function formatParameterName($name, $type = null)
{
if ($type == null && !is_numeric($name) || $type == self::PARAMETERIZATION_NAMED) {
return ':' . $name;
}
return '?';
}
/**
* @return mixed
*/
public function getLastGeneratedValue($name = null)
{
return $this->connection->getLastGeneratedValue($name); return $this->generatedValue; }
}
}