can a client "refuse" a message?

[Li Li]

hi all,
    can a queue message consumer "refuse" a message after receive a message?
    because a client don't know the message in advance.
    onMessage(Message msg){
          if(CannotProcess(msg)){
               //refuse this message
          }
     }
what I need is: if the message can't be processed by one client, it
can be sent to another consumer.
if all consumer "refuse" this message, then this message will be
removed to dead letter queue or to the end of the queue.