NULL fields on MarketDataItemCont

ted.elkington

Hi

I am looking at some legacy internal Java RFA libraries. They send a MarketDataItemCont object. But set the following for all messages

marketDataItemContributor.setSubject(null);
marketDataItemContributor.setItemName(null);
marketDataItemContributor.setServiceName(null);

Is this even valid? Where is the RIC, to identify each record...?

Jirapongse

The application should call MarketDataItemCont.setSubject(...) with four part subject name, such as "DCS_MARKETLINK.ANY.LRTOX1=R.NaE". Alternatively an application can set a service name and an item name.

The example in MDContribDemo.java uses setSubject() or setItemName() and setSubject().

    protected void sendMessages()
    {
        if (!_subjects.isEmpty())
        {
            Iterator<String> iter = _subjects.iterator();
            while (iter.hasNext())
            {
                String subject = iter.next();
                _contrib.setSubject(subject);
                _contrib.setItemName(null);
                _contrib.setServiceName(null);
                _formatter.setSubjectName(subject);
                _contrib.setBuffer(updateFields());
                _contributor.contribute(_contrib);
            }
        }


        if ((_svcName != "") || !_items.isEmpty())
        {
            Iterator<String> iter = _items.iterator();
            _contrib.setServiceName(_svcName);
            while (iter.hasNext())
            {
                String item = iter.next();
                _contrib.setSubject(null);
                _contrib.setItemName(item);
                _formatter.setItemName(item);
                _contrib.setBuffer(updateFields());
                _contributor.contribute(_contrib);
            }
        }
    }