code: protected void setPriority(int priority)
     {
        if (tc.isEntryEnabled()) SibTr.entry(this, tc, "setPriority", ""+priority);
        this.priority = priority;
        if (tc.isEntryEnabled()) SibTr.exit(this, tc, "setPriority");      
     }
docs: Sets the priority for data transmissions in this iterator.  This is
  used when data is enqueued to the priority queue with the "lowest available"
  option set - and we need to assigne it a hard priority