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<?php
Prado::using('Application.db.DBConnection');
Prado::using('System.Data.TDbTransaction');
class DBTransaction extends TDbTransaction {
private $_nestedCount = 0;
private $_rolledBack = FALSE;
public function beginNestedTransaction() {
if ($this->getActive()) {
$this->_nestedCount++;
}
}
public function commit() {
if ($this->_rolledBack) {
$childTransaction = (bool)($this->_nestedCount);
$this->rollback();
if (!$childTransaction) {
throw new TDbException('Nested transaction was rolled back, unable to commit.');
}
}
else {
if ($this->_nestedCount) {
$this->_nestedCount--;
}
else {
parent::commit();
}
}
}
public function rollback() {
if (!$this->getActive()) {
$this->_nestedCount = 0;
return;
}
if ($this->_nestedCount) {
$this->_rolledBack = TRUE;
$this->_nestedCount--;
}
else {
parent::rollback();
$this->_nestedCount = 0;
$this->_rolledBack = FALSE;
}
}
}
?>
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