OK. But if you look at this entity, it has a onetomany relationship (manytoone more exactly) and there is no DTO mapped to it : http://code.google.com/p/gwt-hardwarestore/source/browse/trunk/%20gwt-hardwarestore/HardwareStore_2/src/com/hardwarestore/vo/Purchase.java
What do you think ? On Sun, May 1, 2011 at 4:49 PM, Ahmed Mohammed <[email protected]>wrote: > You will be needing DTOs if in entities there are any one to many > relationships.Or if you have any lazy load defined for any > fields.Since GWT can't serialize those objects, it will throw unable > serialize exception when you try to pass the entities from server to > client. > -Ahmed > > On May 1, 3:34 am, Celinio <[email protected]> wrote: > > Hi, > > I need some clarification regarding the use of JPA entities within a GWT > > application. > > I have always read that you need to create a DTO for each entity that you > > develop in a GWT application because of some serialization problem. > > > > But if you look at this skeleton for a GWT-JPA application, you will > notice > > that there are no DTOs !http://code.google.com/p/gwt-hardwarestore/ > > > > So i am not sure what's really needed. > > Are DTOs really needed ? > > My GWT application uses the MVP Places and Activities pattern. > > > > Thanks for helping. > > -- > You received this message because you are subscribed to the Google Groups > "Google Web Toolkit" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]. > For more options, visit this group at > http://groups.google.com/group/google-web-toolkit?hl=en. > > -- You received this message because you are subscribed to the Google Groups "Google Web Toolkit" group. To post to this group, send email to [email protected]. To unsubscribe from this group, send email to [email protected]. For more options, visit this group at http://groups.google.com/group/google-web-toolkit?hl=en.
