/**
* Sets the date and time when this node becomes potentially visible.
*
* @param \DateTime $dateTime Date before this node should be hidden
* @return void
* @api
*/
public function setHiddenBeforeDateTime(\DateTime $dateTime = null)
{
if (!$this->isNodeDataMatchingContext()) {
$this->materializeNodeData();
}
if ($this->getHiddenBeforeDateTime() instanceof \DateTime && $dateTime instanceof \DateTime && $this->getHiddenBeforeDateTime()->format(\DateTime::W3C) === $dateTime->format(\DateTime::W3C)) {
return;
}
$this->nodeData->setHiddenBeforeDateTime($dateTime);
$this->context->getFirstLevelNodeCache()->flush();
$this->emitNodeUpdated($this);
}