code: @Override
      public void batchCommitted()
      {
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
              SibTr.entry(this, tc, "batchCommitted", Integer.valueOf(messagesInBatch));
  
          //we have succesfully completed the batch
          numberOfMessagesReceived += messagesInBatch;
          messagesInBatch = 0;
          updateCompletedPrefix();
  
          sendAck();
  
          if (TraceComponent.isAnyTracingEnabled() && tc.isEntryEnabled())
              SibTr.exit(tc, "batchCommitted");
      }
docs: /*
  (non-Javadoc)
  
  @see com.ibm.ws.sib.processor.impl.interfaces.BatchListener#batchCommitted()