/**
* 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 you may need to explicitly add objects
* to the cache in order to ensure that the same objects are always returned by find*()
* and findPk*() calls.
*
* @param \ExpertGroupMembers $obj A \ExpertGroupMembers 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 (null === $key) {
$key = serialize(array((string) $obj->getExpert(), (string) $obj->getGroupName()));
}
// if key === null
self::$instances[$key] = $obj;
}
}
