/**
* @see ItemClassInterface::delete()
* @return bool
*/
public function delete()
{
global $transaction;
if ($this->class_id and $this->item_class and $this->item_has_item_class) {
$transaction_id = $transaction->begin();
$item_link_array = $this->list_items();
if (is_array($item_link_array) and count($item_link_array) >= 1) {
foreach ($item_link_array as $key => $value) {
$item_has_item_class_access = new ItemHasItemClass_Access($value);
if ($item_has_item_class_access->delete() == false) {
if ($transaction_id != null) {
$transaction->rollback($transaction_id);
}
return false;
}
}
}
$item_information_array = ItemInformation::list_class_information($this->class_id);
if (is_array($item_information_array) and count($item_information_array) >= 1) {
foreach ($item_information_array as $key => $value) {
$item_information = new ItemInformation($value);
if ($item_information->unlink_class($this->class_id) == false) {
if ($transaction_id != null) {
$transaction->rollback($transaction_id);
}
return false;
}
}
}
if ($this->item_class->delete() == true) {
if ($transaction_id != null) {
$transaction->commit($transaction_id);
}
$this->__destruct();
return true;
} else {
if ($transaction_id != null) {
$transaction->rollback($transaction_id);
}
return false;
}
} else {
return false;
}
}
