In Tapestry 3.0.3, I had a simple way to get a connection for each request:
all my pages extended a special page (implementing PageRenderListener) which
did some stuffs as: check the if the current user was authentified, ...etc
and open a connection !
The code:
/** The special Page */
public class SpecialPage extends BasePage implements PageValidateListener,
PageRenderListener {
...
public void pageBeginRender(PageEvent event) {
// open a new connection
}
public void pageEndRender(PageEvent event) {
// close the connection
}
}
public class MyPage extends SpecialPage {
}
I think this solution is not the best in Tapestry 4.0 but it must work. The
big problem is that you have to refactor all your existing pages to extend
SpecialPage.
----- Original Message -----
From: "Ron Piterman" <[EMAIL PROTECTED]>
To: <[email protected]>
Sent: Tuesday, December 13, 2005 1:23 AM
Subject: Re: Tapestry4 setupForRequest "replacement"?
what about wrapping an object around your initialization and using it in a
hivemind threaded model?
Ralph Churchill wrote:
In Tapestry3, I overrode BaseEngine's setupForRequest to retrieve a
DataSource from JNDI, open a Connection from it and make the Connection
accessible via static methods to my DAO classes. I closed Connection via
overriding BaseEngine's cleanupAfterRequest. I'm doing straight JDBC --
no
Hibernate, Spring, etc.
This simple scheme has worked very well so far.
I'm looking for an equivalent in Tapestry4. I have seen this sort of
question posed numerous times, but not sufficiently answered. I'm
wondering,
what is the best way to implement functionality similar to this? I have
some
ideas: using RequestGlobals, injecting a service with a "request" or
"thread" scope, etc.
Please note: for my configuration, a servlet filter is not a viable
option.
Thanks.
RMC
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