How to setup hibernate.cfg.xml via Java code?

Question

Well, I'm working on an application which syncs two databases. I need to setup hibernate.cfg.xml for 2 databases. Postgresql and Firebird. I'd like to create a generic class to set up my hibernate.cfg.xml.

I'd like to do something like this:

currentSessionFactory = new AnnotationConfiguration()
.setProperty("hibernate.dialect", entity.getDialect())
.setProperty("hibernate.connection.driver_class", entity.getDriverClass())

I need a new hibernate.cfg.xml for the second database but I can't set up it via xml, I need to do it through Java code.

How should I do it ?

Vlad Mihalcea · Accepted Answer · 2018-01-05 17:25:54Z

3

You can use Hibernate Configuration class to replace the hibernate.cfg.xml alltogether:

Configuration configuration = new Configuration();
configuration.addAnnotatedClass(Entity1.class);
ServiceRegistry serviceRegistry
            = new StandardServiceRegistryBuilder()
                .applySettings(configuration.getProperties()).build();            
sessionFactory = configuration.buildSessionFactory(serviceRegistry);

The Configuration class allows you to:

add classes
add properties

Here you have an example on GitHub.

edited Jan 5, 2018 at 17:25

answered Nov 8, 2014 at 15:21

Vlad Mihalcea

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3 Comments

Gabriel Lidenor Over a year ago

Well, this setup is for the HibernateUtil class, I want to build a class to setup the hibernate xml file, without using xml.

Vlad Mihalcea Over a year ago

Then you can use the Configuration class to replace the whole hibernate.cfg.xml. Check my updated answer.

Gabriel Lidenor Over a year ago

Thank you :D you did a nice job \o/

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