public FillJob(String serverURL, String destName, int numMessages, int messageSize, MessageFactory mf,
public FillJob(String slaveURL, String serverURL, String destName, int numMessages, int messageSize, MessageFactory mf,
   public FillJob(String serverURL, String destName, int numMessages, int messageSize, MessageFactory mf,         int deliveryMode)   {      super(serverURL, destName);      this.numMessages = numMessages;      this.mf = mf;      this.deliveryMode = deliveryMode;         }