code: @Override
  	public Object evaluate(Message message) throws JMSException
      {
          String[] values = new String[items.length];
          for (int n = 0 ; n < items.length ; n++)
              values[n] = items[n].evaluateString(message);
          
          return values;
      }
docs: /*
  (non-Javadoc)
  @see net.timewalker.ffmq4.common.message.selector.expression.SelectorNode#evaluate(javax.jms.Message)