How to use

isTransactionSavepointManager

method

in

org.springframework.transaction.support.DefaultTransactionStatus

/**
 * This implementation exposes the SavepointManager interface
 * of the underlying transaction object, if any.
 */
protected SavepointManager getSavepointManager() {
  if (!isTransactionSavepointManager()) {
    throw new NestedTransactionNotSupportedException(
      "Transaction object [" + getTransaction() + "] does not support savepoints");
  }
  return (SavepointManager) getTransaction();
}