code: public boolean flushQueuePointOutputHandler()
      throws SIResourceException
    {
      if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
        SibTr.entry(
          tc,
          "flushQueuePointOutputHandler");
  
      boolean done = true;
  
      for(Iterator nextHandler = _queuePointOutputHandlers.values().iterator();
          nextHandler.hasNext();)
      {
        Object handlerQ = nextHandler.next();
        // Try and drive flush on every output handler.
        // Note that we'll try and drive every output handler
        // even if an earlier output handler required a deferred
        // delete.
        if (handlerQ instanceof PtoPOutputHandler)
          done &= ((PtoPOutputHandler) handlerQ).flushAllForDelete();
      }
      if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
        SibTr.exit(tc, "flushQueuePointOutputHandler", new Boolean(done));
      return done;
    }
docs: Method flushQueuePointOutputHandler.