Hi Bernie, I would appreciate if you could share with the list a short illustrative code example of the your solution. Your contribution is valuable anyway ...
Thanks, Milorad >________________________________ > From: Bernie Greenberg <[email protected]> >To: [email protected] >Sent: Thursday, March 29, 2012 8:51 PM >Subject: Re: Transactions versus threads > >I have seemingly gotten this to work (but I said that last time, too) and >endure our fullest battery of tests, under the assumption of per-thread >"dataset"s, discarding them after a commit/end and creating a new one for >the thread when needed. > >What the documentation needs, besides clear design guidelines for and a >minimal code example of multithreaded, transactional use, is a family of >diagrams explaining the scope, extent, uniqueness, and ownership of all the >kinds of data objects you can get (e.g., maps, datasets ...) with respect >to each other, databases, and threads. > >Thanks again ---- >Bernie > >On Wed, Mar 28, 2012 at 6:53 PM, Paolo Castagna < >[email protected]> wrote: > >> Andy Seaborne wrote: >> > On 28/03/12 18:39, Paolo Castagna wrote: >> >> Andy, are you reluctant to have TDBFactory.create(location) in the >> >> documentation and/or is there a plan (I am not aware of) to change the >> >> way to create Dataset objects in TDB? If that is the case, we could >> still >> >> have TDBFactory.create(location) in the documentation, but add a >> >> NOTE/WARNING >> >> that this can change. >> > >> > I was spending my time fixing the code. >> > >> > I'll update the "Multi-threaded use" section - it currently does not >> > make sense. >> >> I find the "Multi-threaded use" section more clear now, thanks: >> >> http://jena.staging.apache.org/jena/documentation/tdb/tdb_transactions.html#multi-threaded-use >> >> When a new user see this: >> >> Location location = ... ; >> Dataset dataset = ... ; >> >> It might not clear to him/her: >> >> - how to create a Dataset? >> - can a Dataset be reused? >> >> The section "Multi-threaded use" is below in the document and many would >> not even read stuff down there. >> >> This is IMHO less ambiguous: >> >> Location location = ... ; >> Dataset dataset = TDBFactory.create(location) ; >> >> Now, we also have a clear answer in the mailing list archives. >> Hopefully, Google and its ranking algorithm(s) will do the rest. ;-) >> >> Paolo >> >> > >> > Andy >> >> > > >
