DataStream - Receiving DataGroup Events

JavaScript clients can (optionally) act as a DataStream, which allows them to receive events from DataGroups of which they are made members.

The process for enabling DataStream functionality is quite simple:

1. Pass a configuration object to the Nirvana.createSession() call with a suitable configuration parameter (enableDataStreams).

2. Implement the Session.on() callback function.

Processing events received as a DataStream is also very simple:

var mySession = Nirvana.createSession({ enableDataStreams : true });

function myDGEventHandler(event) {
console.log("Received a DataGroup Event");
}

mySession.on(Nirvana.Observe.DATA, myDGEventHandler);

mySession.start();

Note that JavaScript clients can only act as DataStreams (consumers of DataGroup events). The JavaScript API does not currently support publishing to DataGroups or remote management of DataGroup members; DataGroup management is instead supported by Universal Messaging's Enterprise APIs.