The server-push-class Element
[Optional][Default: depends on device and what edition you use]
It specifies which class used to implement the server-push feature. The class must have a default constructor (without any argument), and implement the ServerPush interface.
<device-config> <device-type>ajax</device-type> <server-push-class>my.ServerPush</server-push-class> </device-config>
In addition to configuring the application's default implementation, you can choose an implement for a particular class by the use of DesktopCtrl.enableServerPush(ServerPush). For example,