private void rollbackTransaction()

in tm/src/main/java/org/apache/seata/tm/api/TransactionalTemplate.java [255:298]
39 lines of code
14 McCabe index (conditional complexity)

    private void rollbackTransaction(GlobalTransaction tx, Throwable originalException) throws TransactionException, TransactionalExecutor.ExecutionException {
        if (tx.getGlobalTransactionRole() != GlobalTransactionRole.Launcher) {
            if (LOGGER.isDebugEnabled()) {
                LOGGER.debug("Ignore rollback: just involved in global transaction [{}]", tx.getXid());
            }
            return;
        }
        try {
            triggerBeforeRollback();
            tx.rollback();
            triggerAfterRollback();
        } catch (TransactionException txe) {
            // Failed to rollback
            throw new TransactionalExecutor.ExecutionException(tx, txe,
                    TransactionalExecutor.Code.RollbackFailure, originalException);
        }

        //# fix #5231
        TransactionalExecutor.Code code;
        switch (tx.getLocalStatus()) {
            case RollbackFailed:
            case TimeoutRollbackFailed:
            case RollbackRetryTimeout:
                code = TransactionalExecutor.Code.RollbackFailure;
                break;
            case Rollbacking:
            case RollbackRetrying:
            case TimeoutRollbacking:
            case TimeoutRollbackRetrying:
                code = TransactionalExecutor.Code.Rollbacking;
                break;
            case TimeoutRollbacked:
            case Rollbacked:
                //rollback transactions but do not exist are usually considered completed
            case Finished:
                code = TransactionalExecutor.Code.RollbackDone;
                break;
            default:
                code = TransactionalExecutor.Code.Unknown;
                LOGGER.warn("{} rollback in the state {}", tx.getXid(), tx.getLocalStatus());
        }
        throw new TransactionalExecutor.ExecutionException(tx, code, originalException);

    }