code: public int  removeMessages(String queueName, String filter) {
          try {
              return getQueueControl(queueName).removeMessages(filter);
          } catch (Exception e) {
              throw new AsyncException(e);
          }
      }
docs: Removes messages from queue.
  
  @param queueName queue name
  @param filter filter selector as  in JMS specification.
  See: <a href="http://docs.oracle.com/cd/E19798-01/821-1841/bncer/index.html">JMS Message Selectors</a>
  @return number of messages removed