/**
* @since 2.2
*
* {@inheritDoc}
*/
public function interpretDescription(Description $description)
{
$joinVariable = $this->compoundConditionBuilder->getJoinVariable();
$orderByProperty = $this->compoundConditionBuilder->getOrderByProperty();
$conceptDescription = $this->getConceptDescription($description->getConcept());
if ($conceptDescription === '') {
return new FalseCondition();
}
$hash = 'concept-' . $conceptDescription->getQueryString();
$this->compoundConditionBuilder->getCircularReferenceGuard()->mark($hash);
if ($this->compoundConditionBuilder->getCircularReferenceGuard()->isCircularByRecursionFor($hash)) {
$this->compoundConditionBuilder->addError(wfMessage('smw-query-condition-circular', $conceptDescription->getQueryString())->text());
return new FalseCondition();
}
$this->compoundConditionBuilder->setJoinVariable($joinVariable);
$this->compoundConditionBuilder->setOrderByProperty($orderByProperty);
$condition = $this->compoundConditionBuilder->mapDescriptionToCondition($conceptDescription);
$this->compoundConditionBuilder->getCircularReferenceGuard()->unmark($hash);
return $condition;
}
