Hibernate Annotation 對映

One2OneUnidirectAssociationPk
One2OneUnidirectAssociationJoin
One2OneUnidirectAssociationFk

One2OneBidirectAssociationJoin

One2ManyUnidirectAssociationJoinMember
One2ManyUnidirectAssociationFk

One2ManyAndMany2OneBidirectAssociation
One2ManyAndMany2OneBidirectAssociationJoin

Many2OneUnidirectAssociationJoin
Many2OneUnidirectAssociationFk

Many2ManyUnidirectAssociationJoin
Many2ManyBidirectAssociationJoin

package com.todd;

import org.hibernate.SessionFactory;
import org.hibernate.cfg.AnnotationConfiguration;

public class HibernateAnnotationHelper {
    private static SessionFactory sessionFactory;
    static {
        try {
            sessionFactory = new AnnotationConfiguration().configure().buildSessionFactory();

        } catch (Throwable ex) {
            throw new ExceptionInInitializerError(ex);
        }
    }

    public static SessionFactory getSessionFactory() {
        return sessionFactory;
    }

    public static void close() {
        getSessionFactory().close();
    }
}