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How to obtain configuration object?

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avimar

Post subject: How to obtain configuration object?

Posted: Wed Apr 16, 2008 2:30 pm

Beginner

Joined: Mon Apr 07, 2008 12:49 pm
Posts: 33

JBOSS4.2 + JPA

I need to check if name query exists? i saw that configuration object has this data. i wonder i can i obtain this object in JPA?

Thank you

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hardy.ferentschik

Post subject:

Posted: Fri Apr 18, 2008 4:39 pm

Hibernate Team

Joined: Thu Apr 05, 2007 5:52 am
Posts: 1689
Location: Sweden

Hi,

To get hold of the Configuration object you have to rebuild it. The underlying SessionFactory does not retain the used Configuration object (http://www.hibernate.org/118.html).

But couldn't you just do something like this:

Code:

try {
   em.getNamedQuery("myquery");
} catch (IllegalArgumentException iae ) {
  // do whatever you have to do in case the named query does not exist
}

As per spec an IllegalArgumentException is thrown if the query does not exists.

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