/** * Resets all references to other model objects or collections of model objects. * * This method is a user-space workaround for PHP's inability to garbage collect * objects with circular references (even in PHP 5.3). This is currently necessary * when using Propel in certain daemon or large-volume/high-memory operations. * * @param boolean $deep Whether to also clear the references on all referrer objects. */ public function clearAllReferences($deep = false) { if ($deep && !$this->alreadyInClearAllReferencesDeep) { $this->alreadyInClearAllReferencesDeep = true; if ($this->aAuthor instanceof Persistent) { $this->aAuthor->clearAllReferences($deep); } $this->alreadyInClearAllReferencesDeep = false; } // if ($deep) $this->aAuthor = null; }
/** * 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 Author $obj A Author 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) $obj->getId(); } // if key === null AuthorPeer::$instances[$key] = $obj; } }
/** * Exclude object from result * * @param Author $author Object to remove from the list of results * * @return AuthorQuery The current query, for fluid interface */ public function prune($author = null) { if ($author) { $this->addUsingAlias(AuthorPeer::ID, $author->getId(), Criteria::NOT_EQUAL); } return $this; }
/** * Filter the query by a related Author object * * @param Author|PropelObjectCollection $author The related object(s) to use as filter * @param string $comparison Operator to use for the column comparison, defaults to Criteria::EQUAL * * @return BookQuery The current query, for fluid interface * @throws PropelException - if the provided filter is invalid. */ public function filterByAuthor($author, $comparison = null) { if ($author instanceof Author) { return $this->addUsingAlias(BookPeer::AUTHOR_ID, $author->getId(), $comparison); } elseif ($author instanceof PropelObjectCollection) { if (null === $comparison) { $comparison = Criteria::IN; } return $this->addUsingAlias(BookPeer::AUTHOR_ID, $author->toKeyValue('PrimaryKey', 'Id'), $comparison); } else { throw new PropelException('filterByAuthor() only accepts arguments of type Author or PropelCollection'); } }