/**
* Clears the current object, sets all attributes to their default values and removes
* outgoing references as well as back-references (from other objects to this one. Results probably in a database
* change of those foreign objects when you call `save` there).
*/
public function clear()
{
if (null !== $this->aResource) {
$this->aResource->removePromotion($this);
}
if (null !== $this->aPromotionType) {
$this->aPromotionType->removePromotion($this);
}
$this->promotion_id = null;
$this->resource_id = null;
$this->promotion_type_id = null;
$this->promotion_value = null;
$this->promotion_gift = null;
$this->promotion_description = null;
$this->promotion_starting_point = null;
$this->promotion_starting_date = null;
$this->promotion_ending_date = null;
$this->promotion_is_active = null;
$this->created_at = null;
$this->updated_at = null;
$this->alreadyInSave = false;
$this->clearAllReferences();
$this->resetModified();
$this->setNew(true);
$this->setDeleted(false);
}