On Thu, Dec 4, 2008 at 11:02 AM, John Mettraux <[EMAIL PROTECTED]> wrote: > > On Thu, Dec 4, 2008 at 5:59 PM, John Mettraux <[EMAIL PROTECTED]> wrote: >> >> But this is no "explicit cancel". >> >> Each expression is meant to have the methods apply/reply and cancel. >> If you cancel a process instance, active expressions will each receive >> the cancel message. ParticipantExpression instances will emit an >> OpenWFE::CancelItem instance to the participant to which they sent a >> workitem (and are waiting for it back)... That would mean that all >> participants in your flow are able to cancel/decommission the whole >> set of things required for their process instance... Sounds painful >> (well in Ruby it's not that hard). > > > Just a quick link to "undo" (and "redo"), they're useful sometimes > (implicit case though) : > > http://openwferu.rubyforge.org/expressions.html#exp_undo
Stared at that one long and hard... Somehow I just can't seem to justify them to myself, but then again I'm still learning. Ciao -- Kenneth Kalmer [EMAIL PROTECTED] http://opensourcery.co.za --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruote (OpenWFEru) users" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/openwferu-users?hl=en -~----------~----~----~----~------~----~------~--~---
