/**
* @see ValueTypeInterface::delete()
* @return bool
*/
public function delete()
{
global $transaction;
if ($this->value_type and $this->value_type_id) {
$value_array = Value::list_entries_by_type_id($this->value_type_id);
if (is_array($value_array)) {
if (count($value_array) != 0) {
return false;
}
}
$transaction_id = $transaction->begin();
$olvdl = new Olvdl($this->value_type->get_template_id());
if ($this->value_type->delete() == false) {
if ($transaction_id != null) {
$transaction->rollback($transaction_id);
}
return false;
}
if ($olvdl->delete() == false) {
if ($transaction_id != null) {
$transaction->rollback($transaction_id);
}
return false;
} else {
if ($transaction_id != null) {
$transaction->commit($transaction_id);
}
return true;
}
} else {
return false;
}
}
