org.hibernate.engine.SessionImplementor#bestGuessEntityName ( )源码实例Demo

public Object replace(
		Object original, 
		Object target,
		SessionImplementor session, 
		Object owner, 
		Map copyCache)
throws HibernateException {
	if (original==null) {
		return null;
	}
	else {
		String entityName = session.bestGuessEntityName(original);
		Serializable id = ForeignKeys.getEntityIdentifierIfNotUnsaved( 
				entityName, 
				original, 
				session 
			);
		return session.internalLoad( 
				entityName, 
				id, 
				false, 
				false
			);
	}
}
 

public void nullSafeSet(PreparedStatement st, Object value,	int index, boolean[] settable, SessionImplementor session)
throws HibernateException, SQLException {

	Serializable id;
	String entityName;
	if (value==null) {
		id=null;
		entityName=null;
	}
	else {
		entityName = session.bestGuessEntityName(value);
		id = ForeignKeys.getEntityIdentifierIfNotUnsaved(entityName, value, session);
	}
	
	// metaType is assumed to be single-column type
	if ( settable==null || settable[0] ) {
		metaType.nullSafeSet(st, entityName, index, session);
	}
	if (settable==null) {
		identifierType.nullSafeSet(st, id, index+1, session);
	}
	else {
		boolean[] idsettable = new boolean[ settable.length-1 ];
		System.arraycopy(settable, 1, idsettable, 0, idsettable.length);
		identifierType.nullSafeSet(st, id, index+1, idsettable, session);
	}
}
 

public Serializable disassemble(Object value, SessionImplementor session, Object owner)
throws HibernateException {
	return value==null ?
		null :
		new ObjectTypeCacheEntry(
					session.bestGuessEntityName(value),
					ForeignKeys.getEntityIdentifierIfNotUnsaved( 
							session.bestGuessEntityName(value), value, session 
						)
				);
}
 

public Object getPropertyValue(Object component, int i, SessionImplementor session)
	throws HibernateException {

	return i==0 ?
			session.bestGuessEntityName(component) :
			getIdentifier(component, session);
}
 

public Object[] getPropertyValues(Object component, SessionImplementor session)
	throws HibernateException {

	return new Object[] { session.bestGuessEntityName(component), getIdentifier(component, session) };
}