Hi Stian, thank you very much for the quick answer! The info was very usefull!! Do you have any idea of when you plan to add this feature to Taverna 2 Workbench?
Regards Guzmán Stian Soiland-Reyes <[email protected]> escribió: > On Fri, Jan 28, 2011 at 13:36, Guzmán Llambías - INCO > <[email protected]> wrote: >> I'm very interested in using the Failover Handler of the Taverna dispatch >> stack described in Taverna, reloaded paper, but I couldn't found any further >> docs or see how to configure it in the workbench. Could you please point me >> a link to some docs I could use? > > > The Taverna 2 workflow engine supports this, but we've unfortunately > not yet added a way to add the alternative services in the Taverna 2 > user interface. > > > Taverna 1 supports this, if you build such a workflow in Taverna 1 and > open it in Taverna 2, Taverna should keep both services and make use > of the Failover mechanism. In Taverna 1 you need to add 'alternative > processors' [2] and then do the port mapping. > > > Note that in some cases your alternative might not match exactly on > inputs or outputs, the best case then is to use the Abstract Processor > and add both real services as alternatives - you can create enough > ports in the Abstract processor to cover all ports. In the case of a > service missing an output port you should wrap the alternates in > nested workflows to provide default values on the missing ports. > > In the case that the alternative needs a more complicated call pattern > (like a create-run-get-result) you can add the nested workflow as an > alternate - but note that in Taverna 2 errors in a nested workflow > will not trigger the Failover. > > (In the architecture paper you might see that this is because the > errors would be returned as normal results from the parent Invoke > layer) > > > [1] > http://www.mygrid.org.uk/usermanual1.7/workbench_windows.html#ame_alternate_processors > > -- > Stian Soiland-Reyes, myGrid team > School of Computer Science > The University of Manchester > > ------------------------------------------------------------------------------ > Special Offer-- Download ArcSight Logger for FREE (a $49 USD value)! > Finally, a world-class log management solution at an even better price-free! > Download using promo code Free_Logger_4_Dev2Dev. Offer expires > February 28th, so secure your free ArcSight Logger TODAY! > http://p.sf.net/sfu/arcsight-sfd2d > _______________________________________________ > taverna-hackers mailing list > [email protected] > Web site: http://www.taverna.org.uk > Mailing lists: http://www.taverna.org.uk/about/contact-us/ > Developers Guide: http://www.taverna.org.uk/developers/ > ---------------------------------------- Enviado usando el Servicio de Correo Web Facultad de Ingenieria - UR - URUGUAY ------------------------------------------------------------------------------ Special Offer-- Download ArcSight Logger for FREE (a $49 USD value)! Finally, a world-class log management solution at an even better price-free! Download using promo code Free_Logger_4_Dev2Dev. Offer expires February 28th, so secure your free ArcSight Logger TODAY! http://p.sf.net/sfu/arcsight-sfd2d _______________________________________________ taverna-hackers mailing list [email protected] Web site: http://www.taverna.org.uk Mailing lists: http://www.taverna.org.uk/about/contact-us/ Developers Guide: http://www.taverna.org.uk/developers/
