protected function _loadUserIdGroupPairList(\SimpleXMLElement $sxml)
{
$list = new UserIdGroupPairList();
$list->setEc2($this->ec2);
if (!empty($sxml->item)) {
foreach ($sxml->item as $v) {
$item = new UserIdGroupPairData();
$item->setEc2($this->ec2);
$item->groupId = $this->exist($v->groupId) ? (string) $v->groupId : null;
$item->userId = $this->exist($v->userId) ? (string) $v->userId : null;
$item->groupName = $this->exist($v->groupName) ? (string) $v->groupName : null;
$list->append($item);
unset($item);
}
}
return $list;
}