|Re: [CDO] CDOTransaction.close [message #998266 is a reply to message #998208]
||Wed, 09 January 2013 17:30
|| Eike Stepper
Registered: July 2009
Am 09.01.2013 16:11, schrieb Andrew Whelan:|
> Calling CDOTransaction.close when I am finished with a transaction is causing me some problems in threaded environment
> (RCP GUIs and such are involved).
Should I know about these problems?
> I noticed in a forum message that Eike Stepper said
> "Please note that CDO, by default, automatically and atomically releases all locks at commit time."
> Does this mean that call close() on a CDOTransaction is not necessary?
Not necessarily. An open transaction allocates more resources (both in client and server) than just locks.
But you don't need to close a transactions after each and every commit() call, if you're doing multiple commit() calls.
Think of a transaction as a JDBC connection with autoCommit==false: open, modify, commit, modify, commit, modify,
The close() of the session also closes all views/transactions.
> Also, are there any good examples of the CDOTransactionHandler objects?
Hmm, are the shipped implementing classes good enough? Hard to say what purpose you have in mind ;-)
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