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Posted to ojb-user@db.apache.org by Hal Arnold <ha...@cj.com> on 2003/12/01 20:49:53 UTC
RE: Changing object properties outside the transaction ...
Not to be a prig, but the term "value object" has a specific meaning and is not the same as a data transfer object. This confusion has been amended in the J2EE patterns book (Alur/Malks/Crupi) in the second edition because of all the confusion it caused.
see:
http://martinfowler.com/eaaCatalog/valueObject.html
-----Original Message-----
From: Philippe Hacquin [mailto:hacquin.philippe@wanadoo.fr]
Sent: Wednesday, November 26, 2003 2:26 PM
To: OJB Users List
Subject: Re: Changing object properties outside the transaction ...
Hi,
using such "view objects" is a common J2EE pattern (the value object, or
data transfer object). I use it extensively in Struts and OJB
applications. It
<snip>
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Re: Changing object properties outside the transaction ...
Posted by Philippe Hacquin <ha...@wanadoo.fr>.
I was not aware of the paternity of Fowler's value object pattern ;-)
I do understand now why Sun's figures still reference value objects in
the description of the transfer object.
Looks like I'm a too much Sun-centric reader...
Thanks anyway for the tip!
Hal Arnold wrote:
> Not to be a prig, but the term "value object" has a specific meaning
> and is not the same as a data transfer object. This confusion has
> been amended in the J2EE patterns book (Alur/Malks/Crupi) in the
> second edition because of all the confusion it caused.
>
> see:
> http://martinfowler.com/eaaCatalog/valueObject.html
>
> -----Original Message-----
> From: Philippe Hacquin
> Sent: Wednesday, November 26, 2003 2:26 PM
> To: OJB Users List
> Subject: Re: Changing object properties outside the transaction ...
>
>
> Hi,
>
> using such "view objects" is a common J2EE pattern (the value object, or
> data transfer object). I use it extensively in Struts and OJB
> applications. It
>
> <snip>
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