No way to get Object's type in nullSafeGet ------------------------------------------ Key: HHH-7234 URL: https://hibernate.onjira.com/browse/HHH-7234 Project: Hibernate ORM Issue Type: Bug Components: core Affects Versions: 4.1.0 Reporter: Vagif Kuliyev I am trying to do the following: public class SerUserType extends MutableUserType { protected Class klass; protected SerA ser=F.g(SerA.class); public Class returnedClass() { return klass; } public int[] sqlTypes() { return new int[] {Types.BLOB}; } public boolean equals(Object x, Object y) throws HibernateException { return ObjectUtils.equals(x, y); } public Object deepCopy(Object value) { klass=value.getClass(); Copyable copyable=(Copyable)value; Object copy=copyable.copy(); return copy; } public Object nullSafeGet(ResultSet resultSet,String[] names,SessionImplementor session,Object owner) throws HibernateException,SQLException { byte[] b=(byte[])BlobType.INSTANCE.nullSafeGet(resultSet,names,session,owner); return ser.deser(b,klass); } public void nullSafeSet(PreparedStatement preparedStatement,Object value,int index,SessionImplementor session) throws HibernateException,SQLException { BlobType.INSTANCE.nullSafeSet(preparedStatement,ser.ser(value),index,session); } } However, this is not possible because it is not possible to access the object's class in the nullSafeGet method. I propse that the object's class is passed to the nullSafeGet in the UserType interface. Regardless of whether is correct in functionality (I haven't tested), I think it would be highly beneficial to know the runtime class of the object in the nullSafeGet metod. -- This message is automatically generated by JIRA. For more information on JIRA, see: http://www.atlassian.com/software/jira