Chetan Pandey wrote:
Hi All:
I have a list of Checkboxes with UserIDs.
User checks a few number of Check-boxes and then clicks 'SUBMIT'.
All Checked Items received are then added to a DB - which happens in a
fraction of a Second.
However, all of the UserIds are also sent an Email which takes a very long
Time.
Therefore, the User is forced to wait.
Is their a WAY I can only do the DBInsertion on click of Submit Button and
do email Sending in the back-ground whilst the User stares at a JSP saying:
All Users selected have been registered.
Currently Email Transmission is being processed. Pls WAIT and donot click
the BACK BUTTON.
I don't see how using regular Struts 1.2 I can fwd to a page but do work in
the Background.
Any Ideas or Improvements to this Idea.
First, I would suggest that you make the sending of emails an
asynchronous process, and don't ask the user to wait for it to complete.
Just put the emails in a delivery queue and use a separate daemon thread
to monitor the queue and deliver the email in the background.
If you really need to make the user wait until the emails have been
sent, you can do that. You'll still need to launch a separate thread to
do the work so the main thread can return a 'please wait...' response
straight away.
There's relevant documentation on the wiki here:
http://wiki.apache.org/struts/StrutsPleaseWait
L.
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