public byte getDataStructureType() 
{
        return DATA_STRUCTURE_TYPE;
}

 public ActiveMQDestination getDestination() 
{
        return destination;
}

 public MessageAck getMessageAck() 
{
        return messageAck;
}

 public boolean isMarshallAware() 
{
        return false;
}

 public  void setDestination(ActiveMQDestination destination) 
{
        this.destination = destination;
}

 public  void setMessageAck(MessageAck messageAck) 
{
        this.messageAck = messageAck;
}

 public String toString() 
{
        return IntrospectionSupport.toString(this, JournalQueueAck.class);
}