Define: A server framework. Json published/Subscribe
Ajax Poll vs. Ajax Push
- Poll : to get data from server(client request)
- Push : spread data to client(Server spread)
...based on comet
Gmail, Gtalk and so on..
How Push works
- Always Keep a Connection open
Technology Solutions
Java NIO
- Non-blocking sockets
- Threads shared among connection
How to use
1. initialize Comet(Object)
2. Define CometHandler(Event)
3. Register CometHandler(Registration : attached on context)
4. Advertise Changes
1) Post called by one client
2) clientside
3) serverside
It's very useful framework, Comet server is necessary to service like a messenger or mail it works like a mirror
e.g. It notice you when you're received mail
Ajax Poll vs. Ajax Push
- Poll : to get data from server(client request)
- Push : spread data to client(Server spread)
...based on comet
Gmail, Gtalk and so on..
How Push works
- Always Keep a Connection open
Technology Solutions
Java NIO
- Non-blocking sockets
- Threads shared among connection
How to use
1. initialize Comet(Object)
2. Define CometHandler(Event)
3. Register CometHandler(Registration : attached on context)
4. Advertise Changes
1) Post called by one client
2) clientside
3) serverside
It's very useful framework, Comet server is necessary to service like a messenger or mail it works like a mirror
e.g. It notice you when you're received mail
