/**
* Constructor. $subject is the SMWExpResource for the
* subject about which this SMWExpData is.
*/
public function __construct(SMWExpResource $subject)
{
parent::__construct($subject->getDataItem());
$this->m_subject = $subject;
}
/**
* Constructor. The given lexical form should be the plain string for
* representing the literal without datatype or language information.
* It must not use any escaping or abbreviation mechanisms.
*
* @param string $lexicalForm lexical form
* @param string $datatype Data type URI or empty for untyped literals
* @param SMWDataItem|null $dataItem
*
* @throws InvalidArgumentException
*/
public function __construct($lexicalForm, $datatype = '', SMWDataItem $dataItem = null)
{
if (!is_string($lexicalForm)) {
throw new InvalidArgumentException('$lexicalForm needs to be a string');
}
if (!is_string($datatype)) {
throw new InvalidArgumentException('$datatype needs to be a string');
}
parent::__construct($dataItem);
$this->lexicalForm = $lexicalForm;
$this->datatype = $datatype;
}
/**
* Constructor. The given lexical form should be the plain string for
* representing the literal without datatype or language information.
* It must not use any escaping or abbrevition mechanisms.
*
* @param $lexicalForm string lexical form
* @param $datatype string datatype URI or empty for untyped literals
* @param $dataItem SMWDataItem or null
*/
public function __construct($lexicalForm, $datatype = '', $dataItem = null)
{
parent::__construct($dataItem);
$this->m_lexicalForm = $lexicalForm;
$this->m_datatype = $datatype;
}
