/**
* Declares an association between this object and a ChildFile object.
*
* @param ChildFile $v
* @return $this|\App\Propel\Product The current object (for fluent API support)
* @throws PropelException
*/
public function setFile(ChildFile $v = null)
{
if ($v === null) {
$this->setProductPic(NULL);
} else {
$this->setProductPic($v->getFileId());
}
$this->aFile = $v;
// Add binding for other direction of this n:n relationship.
// If this object has already been added to the ChildFile object, it will not be re-added.
if ($v !== null) {
$v->addProduct($this);
}
return $this;
}