/** * Declares an association between this object and a ChildPublisher object. * * @param ChildPublisher $v * @return $this|\testpropel\Book The current object (for fluent API support) * @throws PropelException */ public function setPublisher(ChildPublisher $v = null) { if ($v === null) { $this->setPublisherId(NULL); } else { $this->setPublisherId($v->getId()); } $this->aPublisher = $v; // Add binding for other direction of this n:n relationship. // If this object has already been added to the ChildPublisher object, it will not be re-added. if ($v !== null) { $v->addBook($this); } return $this; }