/** * Declares an association between this object and a StudentQuestion object. * * @param StudentQuestion $v * @return WhiteboardSession The current object (for fluent API support) * @throws PropelException */ public function setStudentQuestion(StudentQuestion $v = null) { if ($v === null) { $this->setQuestionId(NULL); } else { $this->setQuestionId($v->getId()); } $this->aStudentQuestion = $v; // Add binding for other direction of this n:n relationship. // If this object has already been added to the StudentQuestion object, it will not be re-added. if ($v !== null) { $v->addWhiteboardSession($this); } return $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 StudentQuestion $value A StudentQuestion object. * @param string $key (optional) key to use for instance map (for performance boost if key was already calculated externally). */ public static function addInstanceToPool(StudentQuestion $obj, $key = null) { if (Propel::isInstancePoolingEnabled()) { if ($key === null) { $key = (string) $obj->getId(); } // if key === null self::$instances[$key] = $obj; } }