/**
* 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 QuizAnswer $value A QuizAnswer object.
* @param string $key (optional) key to use for instance map (for performance boost if key was already calculated externally).
*/
public static function addInstanceToPool(QuizAnswer $obj, $key = null)
{
if (Propel::isInstancePoolingEnabled()) {
if ($key === null) {
$key = serialize(array((string) $obj->getId(), (string) $obj->getQuestionId()));
}
// if key === null
self::$instances[$key] = $obj;
}
}
/**
* Exclude object from result
*
* @param QuizAnswer $quizAnswer Object to remove from the list of results
*
* @return QuizAnswerQuery The current query, for fluid interface
*/
public function prune($quizAnswer = null)
{
if ($quizAnswer) {
$this->addCond('pruneCond0', $this->getAliasedColName(QuizAnswerPeer::ID), $quizAnswer->getId(), Criteria::NOT_EQUAL);
$this->addCond('pruneCond1', $this->getAliasedColName(QuizAnswerPeer::QUESTION_ID), $quizAnswer->getQuestionId(), Criteria::NOT_EQUAL);
$this->combine(array('pruneCond0', 'pruneCond1'), Criteria::LOGICAL_OR);
}
return $this;
}