Executes the operation using the provided transaction. @param txn the transaction to use — do not discard it, the caller manages the lifecycle @return the result of the operation @throws Exception if the operation fails
(Transaction txn)
| 21 | * @throws Exception if the operation fails |
| 22 | */ |
| 23 | T execute(Transaction txn) throws Exception; |
| 24 | } |
no outgoing calls