Re: Examples of Pojo Free Code?

Mark,

On 4/14/14, 10:56 AM, Mark Levison wrote:
>
>
> George - thanks (BTW with Ron you seem to be the person I know of the
> most mailing lists - we need to get you some more work :-)

:-) I put in long hours. I do have some availability starting late May.

> I think I touched on your wrapper approach in my previous email. Like
> you I have used it in the past as an approach but it requires additional
> discipline from the dev team. Scrum already tries their discipline and I
> wish to conserve its use :-)

All successful programming requires discipline. I've found that TDD 
makes the discipline easy, combining it with ease of work and peace of mind.

  - George

>
> Danke
> Mark
>
>
> On Sat, Apr 12, 2014 at 1:38 PM, George Dinwiddie
> <[email protected] <mailto:[email protected]>> wrote:
>
>     __
>
>     Mark,
>
>
>
>     On 4/11/14, 1:50 PM, Mark Levison wrote:
>      >
>      >
>      > I'm running an Agile Development course with some wonderful
>     people at a
>      > client who're addicted to their existing ORM. We've been
>     discussing the
>      > evil involved in Data Classes (i.e. classes with no behaviour).
>     In their
>      > world the habit of creating data classes comes from the fact that
>     their
>      > ORM (Hibernate and JPA) creates POJO type objects and they manipulate
>      > them. They get the problem but would live to see an example of
>     project
>      > that doesn't do this.
>      >
>      > Do you know an OpenSource project that doesn't a use POJOs to get its
>      > data in/out of an RDBMS? Do you know an ORM that helps people avoid
>      > creating Data Classes?
>
>     I don't have any examples to show, but a pattern I've used successfully
>     is to encapsulate the "data object" within a business domain object.
>     Typically I've used the data object as a parameter to the domain object
>     consctructor, and provided a getter for when (if) I needed to recover
>     the primitive for some reason. Often the user (ORM in this case)
>     doesn't
>     actually need a data-only object, anyway. It just needs some
>     bean-pattern getters and setters for the fields it's to understand.
>
>     - George
>
>     --
>     ----------------------------------------------------------
>     * George Dinwiddie * http://blog.gdinwiddie.com
>     Software Development http://www.idiacomputing.com
>     Consultant and Coach http://www.agilemaryland.org
>     ----------------------------------------------------------
>
>
>
>
> --
> headshot-square-300x300
> <http://www.flickr.com/photos/36331075@N00/9674877046/> 	*Mark
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-- 
  ----------------------------------------------------------------------
   * George Dinwiddie *                      http://blog.gdinwiddie.com
   Software Development                    http://www.idiacomputing.com
   Consultant and Coach                    http://www.agilemaryland.org
  ----------------------------------------------------------------------