public static ConnectorTransactionContext get()

in geronimo-connector/src/main/java/org/apache/geronimo/connector/ConnectorTransactionContext.java [37:64]

• 19 lines of code
• 7 McCabe index (conditional complexity)

    public static ConnectorTransactionContext get(Transaction transaction) {
        if (transaction == null) {
            throw new NullPointerException("transaction is null");
        }

        ConnectorTransactionContext ctx = DATA_INDEX.get(transaction);
        if (ctx == null) {
            ctx = new ConnectorTransactionContext();

            try {
                int status = transaction.getStatus();
                if (status != Status.STATUS_COMMITTED && status != Status.STATUS_ROLLEDBACK && status != Status.STATUS_UNKNOWN) {
                    ((TransactionImpl)transaction).registerInterposedSynchronization(new ConnectorSynchronization(ctx, transaction));
                    // Note: no synchronization is necessary here.  Since a transaction can only be associated with a single
                    // thread at a time, it should not be possible for someone else to have snuck in and created a
                    // ConnectorTransactionContext for this transaction.  We still protect against that with the putIfAbsent
                    // call below, and we simply have an extra transaction synchronization registered that won't do anything
                    DATA_INDEX.putIfAbsent(transaction, ctx);
                }
//            } catch (RollbackException e) {
//                throw (IllegalStateException) new IllegalStateException("Transaction is already rolled back").initCause(e);
            } catch (SystemException e) {
                throw new RuntimeException("Unable to register ejb transaction synchronization callback", e);
            }

        }
        return ctx;
    }