Example usage for org.hibernate.persister.entity EntityPersister getDatabaseSnapshot

Introduction

In this page you can find the example usage for org.hibernate.persister.entity EntityPersister getDatabaseSnapshot.

Prototype

Object[] getDatabaseSnapshot(Serializable id, SharedSessionContractImplementor session)
        throws HibernateException;

Source Link

Document

Get the current database state of the object, in a "hydrated" form, without resolving identifiers

Usage

From source file:com.autobizlogic.abl.hibernate.HibernateUtil.java

License:Open Source License

/**
 * Given a persistent bean, get (if available) the values originally loaded from the database
 * when the object was read./* w w w.  j  a  va2 s .  co m*/
 * @param bean The persistent bean (must be Pojo)
 * @param session The current Hibernate session
 * @return Null if the object is not known by Hibernate, otherwise an ObjectState with the original
 * values.
 */
public static PersistentBean getOldStateForObject(Object bean, Session session) {

    if (!session.contains(bean))
        return null;

    Serializable pk = session.getIdentifier(bean);

    Class<?> beanClass = getEntityClassForBean(bean);
    String beanClassName = beanClass.getName();
    EntityPersister persister = HibernateSessionUtil.getEntityPersister(session, beanClassName, bean);
    Object[] cachedValues = persister.getDatabaseSnapshot(pk, (SessionImplementor) session);

    return HibPersistentBeanFactory.createPersistentBeanCopyFromState(cachedValues, bean, persister, session);
}

---