web-push

I want to share the same set of data to multiple clients. I need to use Push to automatically update their view on screen. I have read the Question and Answer, Minimal example of Push in Vaadin 7 app (“@Push”) . Now I need a more robust realistic example. For one thing, I know having a never-ending Thread is not a good idea in a Servlet environment. And I don't want each user having their own Thread, each hitting the database on their own. Seems more logical to have one thread alone checking for fresh data in the database. When found, that thread should publish the fresh data to all the users’

I want to see the most minimal example of using the new Push technology in Vaadin 7, such as the new @Push annotation. I am having problems getting server-push to work in my app. I would like to try a simple example app before trying to fix my own app. Basil Bourque Simplification Of Example In The Book Of Vaadin The Book Of Vaadin includes a chapter on Push, including an example using Vaadin Charts . Below is my code. While based on that Vaadin Charts example mentioned above, I simplified it by replacing the use of a Chart object with a simple Label object. The Label updates every second or

I have been reading for past few hours about Push Notification API and Web Notification API . I also discovered that Google & Apple gives push notification service for free via GCM and APNS respectively. I am trying to understand if we can implement push notification to browsers using Desktop Notification, which I believe is what Web Notification API does. I saw a google documentation on how this can be done for Chrome here & here . Now what am still not able to understand is: Can we use GCM/APNS to send push notification to all Web Browsers including Firefox & Safari? If not via GCM can we