Sidnei da Silva wrote at 2005-9-1 17:13 -0300: > ... >Yes, he's the one in charge of registering the subscribers so they are >called in the order he wants them to. > >So: > > event(IBeforeSubsystem, SubSystem) > execute SubSystem > event(IAfterSubsystem, Subsystem) > >Back to my example, 'B' would subscribe to 'event(IAfterSubsystem, >A)', and 'AB' could subscribe to 'event(IBeforeSubsystem, B)'.
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You mean the integrator would subscribe "B" to "event(after, A)" and "AB" to "event(before, B)"? That is near what I am looking for (the individual systems do not know about each other -- only the integrator does). However, I find it more natural to use numbers on a global scale to coordinate the subsystems than explicit tighing systems on one another. If I decide to remove one of the subsystems used as docking point for a different one, then the other systems will no longer be activated. But, probably, this is a matter of preferences. -- Dieter _______________________________________________ For more information about ZODB, see the ZODB Wiki: http://www.zope.org/Wikis/ZODB/ ZODB-Dev mailing list - ZODB-Dev@zope.org http://mail.zope.org/mailman/listinfo/zodb-dev
