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<?php | |
namespace com\linways\core\ams\professional\service; | |
use com\linways\core\ams\professional\exception\ProfessionalException; | |
class TcService extends BaseService | |
{ | |
private static $_instance = null; | |
// /Condition 2 - Locked down the constructor | |
private function __construct() { | |
} | |
// Prevent any oustide instantiation of this class | |
// /Condition 3 - Prevent any object or instance of that class to be cloned | |
private function __clone() { | |
} | |
// Prevent any copy of this object | |
// /Condition 4 - Have a single globally accessible static method | |
public static function getInstance() { | |
if (! is_object ( self::$_instance )) // or if( is_null(self::$_instance) ) or if( self::$_instance == null ) | |
self::$_instance = new self (); | |
return self::$_instance; | |
} | |
/** | |
* Get student TC details. | |
* | |
* @param $studentId | |
* @throws ProfessionalException | |
* @return object | |
* @author Vishnu M | |
*/ | |
public function getTcDetails ( $studentId ) { | |
$studentId = $this->realEscapeString($studentId); | |
$tcDetails = null; | |
$sql = "SELECT * FROM studentTransferCertificate WHERE studentId = ".$studentId.""; | |
try { | |
$tcDetails = $this->executeQueryForObject($sql); | |
} | |
catch(\Exception $e) { | |
throw new ProfessionalException($e->getCode(),$e->getMessage()); | |
} | |
return $tcDetails; | |
} | |
} | |