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How get number of sessions? [message #1774452]

Sat, 14 October 2017 19:04

Eclipse User

short question
How get number of active sessions?
Dmitry

Re: How get number of sessions? [message #1774467 is a reply to message #1774452]

Sun, 15 October 2017 20:22

Eclipse User

You'd probably have to write an HttpSessionListener to track HttpSession's. To count the number of RAP sessions, you'd need to iterate all the values of all the HttpSessions, and count the ones that are of type UISession

Doesn't sound like a very efficient way of doing things though. What's the use case? Simply for runtime stats?

You could put code in your entrypoint to track the sessions. If you run in SWT Compat mode, the start and end of your createUI method is one place to put it.
For JEE mode, I guess you could increment your count in createUI and add a listener to the UISession to decrement it when it's destroyed.

edit: Or use a HttpSessionBindingListener or HttpAttributeListener, that way you can tract UISession instances directly

[Updated on: Sun, 15 October 2017 20:29] by Moderator

Re: How get number of sessions? [message #1774979 is a reply to message #1774452]

Mon, 23 October 2017 03:14

Eclipse User

Hi,
every UI session has a display object associated. You can use RAP internals to get a array with all display objects like in private method Display#getDisplays:
---
ContextProvider.getApplicationContext().getDisplaysHolder().getDisplays();
---
HTH,
Ivan

Re: How get number of sessions? [message #1832693 is a reply to message #1774979]

Wed, 23 September 2020 07:50

Eclipse User

Thanks Ivan, will try that and report back.

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