code: public void groupReady()
    {
      if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
        SibTr.entry(tc, "groupReady", Boolean.valueOf(groupReady));
  
      if(startedCount == memberCount)
        groupReady = true;
  
      if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
        SibTr.exit(tc, "groupReady", Boolean.valueOf(groupReady));
    }
docs: Mark the group as groupReady, this is seperate to the ready state as that
  indicates to the CD if the group is ready, this indicates to the group if
  it is ready (i.e. willing to take on a message).