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From Clinton Begin <clinton.be...@gmail.com>
Subject Re: SqlSession.close() without committing
Date Wed, 07 Apr 2010 13:50:14 GMT
Then you might be happier with a spec like JPA.  Although I'd warn that such
specs are rarely implemented consistently.

This is what has killed J2EE vs. the alternatives.  Look at the history:

* CMP - Spec.  Dead, along with all implementations.

* EJB - Spec.  Dead.  Spring killed it -- not a spec.

* JDO - Spec.  Dead, along with all implementations.

* JSF - DOA.  Bad idea to begin with, and has failed to unify client side
Java.  Struts, GWT, Wickett, Stripes, ZK, Tapestry, etc.  all still exist --
and are more popular than JSF -- all without a spec.

Some specs have succeeded, due to their simplicity and natural interface
boundary (usually a network connection requiring a driver of sorts).  These
include Servlet, JDBC and JMS.  Even though they're not the nicest, they're
simple and necessary. Yet they too differ in many ways, especially JDBC.
JPA has a chance, but only because they essentially took the two most
popular frameworks that weren't specs and made them into a spec... nobody
will be winning any innovation awards for that one.

The spec doesn't guarantee anything.  Kind of like a green light doesn't
guarantee that cars won't be driving through the opposing red light at an
intersection... do you not check?

The only thing that defines how a framework will work is the framework
itself -- spec or not.  The only protection you have is your own unit,
functional and integration tests -- which you need anyway, as it's also the
only way you'll know if YOUR code works.

We've created a user guide to describe the intended behavior of the iBATIS
framework.  If it is somehow incomplete or incorrect, you can contribute to
it via the wiki discussed on page 2.


On Tue, Apr 6, 2010 at 10:37 PM, cowwoc <cowwoc@bbs.darktech.org> wrote:

>> Yes, iBATIS will rollback the connection if it deems it necessary.  The
>> only
>> time you might need to call rollback explicitly is if you have a "select"
>> that actually updates data in the database.  Such is sometimes the case
>> with
>> stored procedures.
> Clinton,
> Coming back to our earlier discussion of Javadoc... where do you document
> the iBatis specification? I hope you understand my reluctance of depending
> on behavior outside of an explicit specification. Today one person will tell
> me the method works one way, tomorrow another person will tell me a
> different story. I'd love to have an official document to refer back to.
> Thanks,
> Gili
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