static function getInstance($a_id = 0)
{
global $ilias, $ilDB;
$query = "SELECT * FROM skl_tree_node WHERE obj_id = " . $ilDB->quote($a_id, "integer");
$obj_set = $ilDB->query($query);
$obj_rec = $ilDB->fetchAssoc($obj_set);
$obj = null;
switch ($obj_rec["type"]) {
case "skll":
$obj = new ilBasicSkill();
$obj->setId($obj_rec["obj_id"]);
$obj->setDataRecord($obj_rec);
$obj->read();
break;
case "scat":
$obj = new ilSkillCategory();
$obj->setId($obj_rec["obj_id"]);
$obj->setDataRecord($obj_rec);
$obj->read();
break;
case "sktp":
$obj = new ilBasicSkillTemplate();
$obj->setId($obj_rec["obj_id"]);
$obj->setDataRecord($obj_rec);
$obj->read();
break;
case "sctp":
$obj = new ilSkillTemplateCategory();
$obj->setId($obj_rec["obj_id"]);
$obj->setDataRecord($obj_rec);
$obj->read();
break;
case "skrt":
$obj = new ilSkillRoot();
$obj->setId($obj_rec["obj_id"]);
$obj->setDataRecord($obj_rec);
$obj->read();
break;
case "sktr":
$obj = new ilSkillTemplateReference();
$obj->setId($obj_rec["obj_id"]);
$obj->setDataRecord($obj_rec);
$obj->read();
break;
}
return $obj;
}