OTS 1.1 MAILINGLIST Avatar
  1. OMG Issue

OTS11 — exception processing during completion in subordinates

  • Key: OTS11-6
  • Legacy Issue Number: 4712
  • Status: closed  
  • Source: International Business Machines ( Ian Robinson)
  • Summary:

    The ActivityCoordinator complete_activity operation may raise
    ActivityPending
    and ChildContextPending exceptions. The conditions under which these
    exceptions
    are raised should be independent of whether they occur in the root or a
    subordinate node. For example, if the a subordinate node had earlier
    spawned an
    asynchronous thread that was not complete when the subordinate was signaled
    for
    preCompletion, then the application originator (on the root) should receive
    an ActivityPending exception that does not cause the Activity to complete
    or
    mark is as failed only.
    Yet, at the subordinate, the only response that the subordinate
    Synchronization
    Action can give during preCompletion is an Outcome of preCompletionSuccess
    or
    preCompletionFailed or an ActionError exception, none of which result in
    the desired
    behaviour.

    Possible solutions are:
    1. New exceptions on the Action::process_signal exception that
    the root ActivityCoordinator converts to ActivityPending or
    ChildContextPending.
    CORBA::TRANSIENT could be used if the minor codes were architected.
    This is ugly because its specific to the processing of the
    Synchronization
    SignalSet.
    2. New predefined Outcomes for the Synchronization SignalSet that the root
    ActivityCoordinator can recognize and convert accordingly. Still a
    little
    ugly in that the ActivityCoordinator needs to understand the meaning of
    an Outcome.

    In either case, the Synchronization SignalSet needs to be capable of being
    redriven
    after returning such an Outcome/Exception.

  • Reported: OTS 1.0 — Fri, 23 Nov 2001 05:00 GMT
  • Disposition: Resolved — OTS 1.1
  • Disposition Summary:

    see above

  • Updated: Fri, 6 Mar 2015 20:57 GMT