By: Felix in Hibernate Tutorials on 2022-12-29
In Hibernate, programmatic configuration is an alternative approach to XML configuration. It involves creating a configuration object and setting its properties programmatically instead of configuring them in an XML file.
Here are the steps to perform programmatic configuration in Hibernate:
Create a Configuration object:
Configuration configuration = new Configuration();
Set the properties of the Configuration object:
These properties include the JDBC driver class, database connection URL, username, password, dialect, and hbm2ddl.auto property that specifies how Hibernate should handle database schema changes.
Use the Configuration object to create a SessionFactory object:
SessionFactory sessionFactory = configuration.buildSessionFactory();
Open a session from the SessionFactory object:
Session session = sessionFactory.openSession();
Use the session to perform database operations:
Transaction transaction = session.beginTransaction();
// Perform database operations here
Here, we create a transaction and use it to perform database operations.
Close the session:
Close the SessionFactory object:
This is the final step and should be done when the application is shutting down.
Overall, programmatic configuration offers more flexibility than XML configuration and allows you to create a Hibernate configuration dynamically at runtime.
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