<!DOCTYPE hibernate-configuration PUBLIC
    "-//Hibernate/Hibernate Configuration DTD//EN"
    "http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">

<hibernate-configuration>
    <session-factory>
   
        <!-- Settings for a local HSQL (testing) database. -->
        <property name="dialect">org.hibernate.dialect.MySQLDialect</property>
        <property name="connection.driver_class">com.mysql.jdbc.Driver</property>
        <property name="connection.url">jdbc:mysql://localhost:3306/dbname</property>
        <property name="connection.username">root</property>
        <property name="connection.password">password</property>

        <!-- Use the C3P0 connection pool. -->
        <property name="c3p0.min_size">3</property>
        <property name="c3p0.max_size">5</property>
        <property name="c3p0.timeout">1800</property>
   
        <!-- Disable second-level cache. -->
        <property name="cache.provider_class">org.hibernate.cache.NoCacheProvider</property>
        <property name="cache.use_query_cache">false</property>
        <property name="cache.use_minimal_puts">false</property>
        <property name="max_fetch_depth">3</property>
   
        <!-- Print SQL to stdout. -->
        <property name="show_sql">true</property>
        <property name="format_sql">true</property>
   
        <!-- Drop and then re-create schema on SessionFactory build, for testing. -->
        <property name="hbm2ddl.auto">create</property>
   
        <!-- Bind the getCurrentSession() method to the thread. -->
        <property name="current_session_context_class">thread</property>

        <!-- Hibernate XML mapping files -->
        <mapping resource="test/TestDAO.hbm.xml"/>
    </session-factory>

</hibernate-configuration>

public class HibernateUtil {
   
   private static final SessionFactory sessionFactory;

    static {
        try {
            // Create the SessionFactory from hibernate.cfg.xml
            sessionFactory = new Configuration().configure().buildSessionFactory();
        } 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;
    }
}

sessionFactory = new Configuration().configure().buildSessionFactory();