public function setDataType($dataType)
    {
        $formDefinition = $this->getRootForm();
        $formDefinition->getProcessingRule($this->getIdentifier())->setDataType($dataType);
    }
public function setDataType($dataType)
    {
        $formDefinition = $this->getRootForm();
        $formDefinition->getProcessingRule($this->getIdentifier())->setDataType($dataType);
    }
public function setDataType ( $ dataType ) { $ formDefinition = $ this -> getRootForm ( ) ; $ formDefinition -> getProcessingRule ( $ this -> getIdentifier ( ) ) -> setDataType ( $ dataType ) ; }
Set the datatype

@param string $dataType
@return void
Set the datatype