Re: Springframework & WW (Was - Re: [OS-webwork] Is This a Bad Use of IoC?)

Matthew E . Porter Sat, 09 Aug 2003 11:52:52 -0700

I am debating possibly starting this, but I am looking for some advise. Since Spring allows multiple instances of the same component/object, my guess is that it will become necessary to map Action to bean reference in either the components.xml or applicationContext.xml file. Personally, one of the things I like about the *Aware method is not having to add this to yet another file. How did Pico handle passing the components to the actions? Anyone have any thoughts on this?


Cheers,
  matthew

On Friday, August 8, 2003, at 12:46 PM, Jason Carreira wrote:

Not that I know of... I'd be happy to help out.
-----Original Message-----
From: Matthew E. Porter [mailto:[EMAIL PROTECTED]
Sent: Friday, August 08, 2003 1:40 PM
To: [EMAIL PROTECTED]
Subject: Springframework & WW (Was - Re: [OS-webwork] Is This
a Bad Use of IoC?)
Has springframework integration been started?
Cheers,
   matthew
On Friday, August 8, 2003, at 11:23 AM, Jason Carreira wrote:
Yes, it will set up dependencies for you. No, I don't think it
requires *Aware interfaces.
-----Original Message-----
From: Matthew E. Porter [mailto:[EMAIL PROTECTED]
Sent: Friday, August 08, 2003 11:50 AM
To: [EMAIL PROTECTED]
Subject: Re: [OS-webwork] Is This a Bad Use of IoC?
Using Spring, will components automatically be passed to Actions
still?
  Is there still going to be a need for *Aware interfaces?  Many
questions...
Cheers,
   matthew
On Friday, August 8, 2003, at 10:26 AM, Jason Carreira wrote:

In the same way that we're going to have a Pico
integration for IoC,
I'd like to have a Spring integration for IoC... But these need
to be in an
add-on project for integrating other dependencies with
Xwork / WebWork
outside of the main code base.
-----Original Message-----
From: Matthew E. Porter [mailto:[EMAIL PROTECTED]
Sent: Friday, August 08, 2003 11:19 AM
To: [EMAIL PROTECTED]
Subject: Re: [OS-webwork] Is This a Bad Use of IoC?
What is the planned intergration with Spring?
Cheers,
   matthew
On Thursday, August 7, 2003, at 08:57 PM, Jason Carreira wrote:

I think we need to get the project for external
integrations going. I
got a note from Rod Johnson about this too, and I think it
would be a
great idea to have integrations with Spring and
Picocontainer, but
these need to be in a separate project. We're
explicitly limiting
dependencies in Xwork / WebWork as much as possible.

Jason
-----Original Message-----
From: Rob Rudin [mailto:[EMAIL PROTECTED]
Sent: Thursday, August 07, 2003 9:39 PM
To: [EMAIL PROTECTED]
Subject: Re: [OS-webwork] Is This a Bad Use of IoC?
Not to sound like a broken record, but I think Spring does
a nice job
of handling Hibernate. It provides a Hibernate template to
handle the
Hibernate plumbing and nice support for configuring a
SessionFactory.
Should be very easy to hook this into WW2's IoC.

Rob
----- Original Message -----
From: "Matthew E. Porter" <[EMAIL PROTECTED]>
To: <[EMAIL PROTECTED]>
Sent: Thursday, August 07, 2003 8:38 PM
Subject: [OS-webwork] Is This a Bad Use of IoC?
I think I may be going Inversion of Control mad lately and
need some
help sorting out if what I am doing is just wrong. I am
building a
new persistence manager where the core manager is based upon
hibernate. The hibernate manager needs three different
providers- one
for Configuration, one for SessionFactory, and one for
Sessions. Each
of these providers (Conf, SF, and Session) can have different
implementations.  For example, the default Session
provider always
returns a new session; however, there is also a
ThreadLocal version
which returns the same session for the entire thread.

The question I have is how do I specify and load these at
runtime?
The most obvious answer is to have a custom xml file that
specifies
which provider fulfills each role. I could write (and
already have
done so) a loader to read an XML file and configure the
system. But,
instead of having this in a separate file, would it be
a complete
bastardization of the intention of IoC (XWork edition) to
use it to
automatically configure the providers?

Why does this seem bad? Because the primary intention of
IoC is to
wire business components whereas these providers will
probably never
be used outside the real component, the persistence
manager. Instead,
it seems like I am too lazy to write a loader to configure
the system.
Cheers,
   matthew
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Re: Springframework & WW (Was - Re: [OS-webwork] Is This a Bad Use of IoC?)

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