public void setSharedConnection()

in src/main/java/org/apache/commons/dbcp2/managed/TransactionContext.java [179:202]

• 18 lines of code
• 6 McCabe index (conditional complexity)

    public void setSharedConnection(final Connection sharedConnection) throws SQLException {
        if (this.sharedConnection != null) {
            throw new IllegalStateException("A shared connection is already set");
        }

        // This is the first use of the connection in this transaction, so we must
        // enlist it in the transaction
        final Transaction transaction = getTransaction();
        try {
            final XAResource xaResource = transactionRegistry.getXAResource(sharedConnection);
            if (!transaction.enlistResource(xaResource)) {
                throw new SQLException("Unable to enlist connection in transaction: enlistResource returns 'false'.");
            }
        } catch (final IllegalStateException e) {
            // This can happen if the transaction is already timed out
            throw new SQLException("Unable to enlist connection in the transaction", e);
        } catch (final RollbackException ignored) {
            // transaction was rolled back... proceed as if there never was a transaction
        } catch (final SystemException e) {
            throw new SQLException("Unable to enlist connection the transaction", e);
        }

        this.sharedConnection = sharedConnection;
    }