Send notification to the client from a web server

Question

My setup consists of a Weblogic server that runs various REST services that accepts an HTTP request from a client(an android app), reads data from a MySql database and sends this data as a response to the client.

My requirement is that the client should be notified as soon as the database is updated. I have implemented a "polling" mechanism. The client constantly sends requests and checks for any changes made in the database. However this is not a very efficient mechanism. Can you please suggest any efficient ways of achieving this?

Thanks in advance!

http://stackoverflow.com/questions/4562775/server-side-push?lq=1 — Jason C, Apr 22 '14 at 06:23

score 0 · Answer 1 · edited May 23 '17 at 11:49

0

One of the way to use writing a CRON job for observation of Database change.

also, SO has already discussed this topic. refer below link,

Oracle database to send notification / Invoke a java method on reaching Time specified in a column

edited May 23 '17 at 11:49

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answered Apr 22 '14 at 06:26

Pramod S. Nikam

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Send notification to the client from a web server

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