/** * @param Book $book The book object to add. */ protected function doAddBook($book) { $this->collBooks[] = $book; $book->setAuthor($this); }
/** * Adds an object to the instance pool. * * Propel keeps cached copies of objects in an instance pool when they are retrieved * from the database. In some cases -- especially when you override doSelect*() * methods in your stub classes -- you may need to explicitly add objects * to the cache in order to ensure that the same objects are always returned by doSelect*() * and retrieveByPK*() calls. * * @param Book $obj A Book object. * @param string $key (optional) key to use for instance map (for performance boost if key was already calculated externally). */ public static function addInstanceToPool($obj, $key = null) { if (Propel::isInstancePoolingEnabled()) { if ($key === null) { $key = (string) $obj->getId(); } // if key === null BookPeer::$instances[$key] = $obj; } }
/** * Filter the query by a related Book object * * @param Book|PropelObjectCollection $book the related object to use as filter * @param string $comparison Operator to use for the column comparison, defaults to Criteria::EQUAL * * @return AuthorQuery The current query, for fluid interface * @throws PropelException - if the provided filter is invalid. */ public function filterByBook($book, $comparison = null) { if ($book instanceof Book) { return $this->addUsingAlias(AuthorPeer::ID, $book->getAuthorId(), $comparison); } elseif ($book instanceof PropelObjectCollection) { return $this->useBookQuery()->filterByPrimaryKeys($book->getPrimaryKeys())->endUse(); } else { throw new PropelException('filterByBook() only accepts arguments of type Book or PropelCollection'); } }
/** * Exclude object from result * * @param Book $book Object to remove from the list of results * * @return BookQuery The current query, for fluid interface */ public function prune($book = null) { if ($book) { $this->addUsingAlias(BookPeer::ID, $book->getId(), Criteria::NOT_EQUAL); } return $this; }