Is it worth trying to factor Transactional apart into
TransactionalPossiblyWithAbort and TransactionalWithAbort? (With better names,
of course! {grin})
---
A. Soroka
The University of Virginia Library
> On Feb 6, 2016, at 11:15 AM, Andy Seaborne <[email protected]> wrote:
>
> JENA-1089, JENA-1131
>
> DatasetGraphs now support the Transactional interface, rather than it being
> an optional extra. Dataset itself already had Transactional.
>
> Implementations of DatasetGraph now need to opt out of transactions via the
> TransactionalNotSupported interface.
>
> DatasetGraph and Dataset provide
>
> supportTransactions() : begin/commit/end
> supportTransactionAbort() : and also abort.
>
> Some of the compound DSGs can't provide abort properly. Crashing out of a
> transaction with an exception needs proper abort.
>
> DatasetGraphText provides abort if and only if the underlying data does.
>
> jena-text is the most complicated part of the changes. All the tests pass
> but if you are a big user of jena-text with update it would be worth checking
> the changes.
>
> Rob - I switched the tests for jena-jdbc-driver-mem to use the transaction
> memory dataset implementation. In the course of that, I
> found and fixed an oddity in jena-jdbc-driver-mem:MemConnection. The code
> comments discuss the initialization issue.
>
> Andy