Re: [Php-java-bridge-users] Confused about handling RuntimeExceptions

I would recommend to encapsulate your arbitrary code inside a java
method and simply call
the method from the php-side of the bridge, instead of rebuilding it in php.

~ dominik

On Wed, Sep 23, 2009 at 8:10 PM,
<php...@li...> wrote:
> Hi,
>
> I'm in the process of evaluating the PHP/Java Bridge.  My company wants to
> use it to leverage an existing set of data model classes we have created
> using Hibernate.  I've successfully set up a test that is working fine, but
> I've come across something I'm concerned and a bit confused about and was
> hoping the list could help me.
>
> I've read the FAQ entry which states that all exceptions crossing the
> boundary must be declared, as well as a thread in the mailing list archives
> here:
> http://sourceforge.net/mailarchive/message.php?msg_id=3921.39923.qm%40web505
> 08.mail.re2.yahoo.com
>
> My concern is that this will prevent us from using the bridge in the way we
> have envisioned, so I'm asking for advice on how to handle it.
>
> We want to be able to perform arbitrary operations on our data model classes
> within the scope of a Hibernate transaction, using a pattern like the
> following:
>
> $factory = getSessionFactory(); //Hibernate session factory
> try {
>
>  $factory->getCurrentSession()->beginTransaction();
>
>  //arbitrary code here
>
>  $factory->getCurrentSession()->getTransaction()->commit();
>
> } catch (JavaException $ex) {
>  $factory->getCurrentSession()->getTransaction()->rollback();
>  throw $ex;
> }
>
> My concern is that there are several places within the arbitrary code
> sections where we are calling methods that throw unchecked exceptions that
> subclass RuntimeException.  Most of our exceptions will occur during the
> commit, but not all of them.
>
> Is our approach even feasible with the bridge?  We do not want to have to
> declare "throws RuntimeException" on hundreds of methods in our data model
> classes.  Is there some other approach we could take, perhaps passing our
> arbitrary code as a closure to the java side and having a top level handler
> for all exceptions on the java side of things?
>
> I apologize if I am misunderstanding anything.  I have been programming Java
> for a couple of years but so far I've only used basic servlets, no JEE
> containers or anything more complicated so I'm basically looking for
> guidance.
>
> Thanks in advance!
>
> Michael Sims
>
>
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