[Hibernate] - Interceptors and events

package com.my.dao.util;

import org.hibernate.EmptyInterceptor;

@SuppressWarnings("serial")
public class AuditInterceptor extends EmptyInterceptor {

    @Override
    public String onPrepareStatement(String sql) {
        System.out.println(sql);
        return super.onPrepareStatement(sql);
    }
    
}

configuration.setInterceptor(new AuditInterceptor());

package com.my.dao.util;

import org.hibernate.SessionFactory;
import org.hibernate.boot.registry.StandardServiceRegistryBuilder;
import org.hibernate.cfg.Configuration;

public class HibernateUtil {

    private static final SessionFactory sessionFactory = buildSessionFactory();

    private static SessionFactory buildSessionFactory() {
        try {
            // Create the SessionFactory from hibernate.cfg.xml
            Configuration configuration = new Configuration();
            configuration.setInterceptor(new AuditInterceptor());
            return configuration.configure().buildSessionFactory(
                    new StandardServiceRegistryBuilder().applySettings(configuration.getProperties()).build());
        } catch (Throwable ex) {
            // Make sure you log the exception, as it might be swallowed
            System.err.println("Initial SessionFactory creation failed." + ex);
            throw new ExceptionInInitializerError(ex);
        }
    }

    public static SessionFactory getSessionFactory() {
        return sessionFactory;
    }
    
}