/**
* Answer the Id objects of the owners of this slot.
* This method has been over-ridden to allow lazy loading of slot owners from
* a course object rather than forcing that to be done at instance creation time.
*
* @return array
* @access public
* @since 7/30/07
*/
public function getOwners()
{
if (!$this->mergedWithExternal) {
$this->mergeWithExternal();
$this->mergedWithExternal = true;
}
// Lazily load the slot owners.
if (!$this->ownersPopulated && isset($this->course)) {
foreach ($this->course->getInstructors() as $instructor) {
$this->populateOwnerId($instructor);
}
$this->ownersPopulated = true;
}
return parent::getOwners();
}
