code: public boolean evaluateMessage(
      Selector selectorTree,
      Selector discriminatorTree,
      SIBusMessage msg)
    { 
      if (tc.isEntryEnabled())
        SibTr.entry(tc, "evaluateMessage", new Object[] { selectorTree, discriminatorTree, msg });
  
      boolean ret = mpm.evaluateMessage(selectorTree, discriminatorTree, msg );
            
      if (tc.isEntryEnabled()) SibTr.exit(tc, "evaluateMessage", new Boolean(ret));
      return ret;             
    }
docs: Method evaluateMessage
  Used to evaluate a parsed selector expression against a message.
  @param selectorTree
  @param msg