/**
* Gets the FolderClass objects
* @return Array - FolderClass objects
*/
function getFolderClasses()
{
if ($this->folderClasses == null) {
$folderClassMapper = new FolderClassMapper();
$this->folderClasses = $folderClassMapper->findByFolderId($this->getId());
}
return $this->folderClasses;
}