public function load()
{
$classes = [];
$classesRaw = $this->db->fetchCol("SELECT id FROM classes" . $this->getCondition() . $this->getOrder() . $this->getOffsetLimit(), $this->model->getConditionVariables());
foreach ($classesRaw as $classRaw) {
$classes[] = Object\ClassDefinition::getById($classRaw);
}
$this->model->setClasses($classes);
return $classes;
}