Ne často, vždy :-) Je to základní princip fungování Hibernate. Kamil Podlešák
2010/3/11 Tomas Hubalek <tomas.huba...@onsemi.com>: > Nechtel jsi spis pouzit Class.isAssignableFrom? Hibernate Ti primo v > dokumentaci nezarucuje, ze kdyz mu das nejakou tridu, tak primo ji > dostanes. Hodne casto dostanes nejakeho jejich potomka. > >> -----Original Message----- >> From: konference-boun...@java.cz >> [mailto:konference-boun...@java.cz] On Behalf Of Ivan Polak >> Sent: Thursday, March 11, 2010 12:47 PM >> To: Java >> Subject: hibernate a instanceOf >> >> Zdravim konferenciu, >> >> mam v hibernate nasledovne objekty: >> >> objekt Customer : >> >> @Entity >> @Table(name="customer") >> @Inheritance(strategy = InheritanceType.SINGLE_TABLE) >> @DiscriminatorColumn(name = "customer_type", >> discriminatorType=DiscriminatorType.STRING) >> public abstract class Customer extends BaseObject { .... >> } >> >> a od neho odvodeny objekt Shipper: >> >> @Entity >> @DiscriminatorValue("S") >> public class Shipper extends Customer { >> ...} >> >> potrebujem pouzit nasledovny test: >> >> returnValue = Class.forName(className).isInstance(o); >> >> kde className je premenna typu String s hodnotou "com.project.Shipper" >> a Objekt o je cez Hibernate vytiahnuty objekt z DB, >> zobraznene vo watch okne: Customer_$$_javassist_145 (...). >> >> preco je returnValue FALSE, ked by podla mna malo byt TRUE ? >> >> dakujem >> >> Ivan >> >
