Re: outrigger recovery

Yes, that helps, John,
Is there any documents on the outrigger's internal?  Would you kindly
point out which classes are involved with the recovery as
it is kind of easy to get lost in the mass of code without a guide.  Thank
you very much.


On Thu, 6 Apr 2006 09:14:30 -0400, John McClain <[email protected]>
wrote:

>solomon wu wrote:
>> For those prepared transactions, I assume that the participant will call
>> getState() of the manager as indicated in the spec.  Then it decides
>> whether to rollforward or rollback depending on the result of getState.
>> Do you happen to remember which class does this?
>
>The getState calls on the transaction manager happen in
>TxnMonitorTask.tryOnce. TxnMonitorTasks exist to poll the appropriate
>transaction manager for a given transaction's state. We create a
>TxnMonitorTask for a transaction when the transaction prevents a query
>under some other transaction (including the null transaction) from being
>satisfied and for each prepared transaction recovered after a crash
>(there may be some other circumstance, but those are the two main ones).
>
>Does that help?
>
>> For the committed transaction, the transaction is done.  We do not need
to
>> recover that transaction.  Is that your assumption, too?
>
>Committed transactions are not recovered, but the recovered state has to
>be consent with the effects of committed transactions.
>
>--
>John McClain                                    [email protected]
>Sun Microsystems, Inc.
>Burlington, MA
>
>no files, just services
>
>
==========================================================================
>To unsubscribe, send email to [email protected] and include in the
body
>of the message "signoff JAVASPACES-USERS".  For general help, send email
to
>[email protected] and include in the body of the message "help".
>
>To view past JAVASPACES-USERS postings, please see:
>http://archives.java.sun.com/archives/javaspaces-users.html

===========================================================================
To unsubscribe, send email to [email protected] and include in the body
of the message "signoff JAVASPACES-USERS".  For general help, send email to
[email protected] and include in the body of the message "help".

To view past JAVASPACES-USERS postings, please see:
http://archives.java.sun.com/archives/javaspaces-users.html