By using a value object, you also bypass the security and transactional checks that exist in the EJBLocalObject stub. This bit me last week as I assumed they were in a subclass of my bean. I don't think this buys you a ton of performance gain, but it is *something*.
David Harkness Sony Pictures Digital Networks (310) 482-4756 -----Original Message----- From: Eric Chow [mailto:[EMAIL PROTECTED] Sent: Monday, August 11, 2003 9:46 PM To: [EMAIL PROTECTED] Subject: Re: [Xdoclet-user] Relations : ValueObject or EJB Interface ? So you means that it doesn't matter to use ValueObject or interface if using Local Interface, right? If used Remote Interface, it's better to use ValueObject. Eric ----- Original Message ----- From: "Shane Griggs" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Tuesday, August 12, 2003 11:34 AM Subject: Re: [Xdoclet-user] Relations : ValueObject or EJB Interface ? > With a remote Entity call you have the overhead of high network > traffic > - serialisation, intercall ops etc... each call to an exposed method > call, via the interface, incurs this overhead... Its an expensive way of > gaining access to entity information - a unfortunate shortfall of using > remote entities... > To reduce this overhead, and as we would normally get all data within > the client calling method anyway, data should populated in a ValueObject > (just a plain old serialisable java object with all field data > accessible) and returned to the client one call - only one overhead > association... > > Access to this value object (dataobject, data transfer object, pojo or > whatever), should be done via a session facade... the session facade > or the local entity can then populate the valueobject... > ----- Original Message ----- > From: Eric Chow <[EMAIL PROTECTED]> > Date: Tuesday, August 12, 2003 2:00 pm > Subject: [Xdoclet-user] Relations : ValueObject or EJB Interface ? > > > Hello, > > > > When I defined relationships between EJBs, I always use their > > interfaces or always returns their interfaces. > > > > I read so many articles and XDoclet user mailling list, there are so > > many discuss topic in using ValueObject. > > > > What's the benefit in using ValueObject? Is it better to return > > ValueObjectother than the EJB's interface ??? > > > > > > Best regards, > > Eric > > > > > > ========================== > > If you know what you are doing, > > it is not called RESEARCH! > > ========================== > > > > > > > > ------------------------------------------------------- > > This SF.Net email sponsored by: Free pre-built ASP.NET sites > > including Data Reports, E-commerce, Portals, and Forums are > > available now. Download today and enter to win an XBOX or Visual > > Studio .NET. > > http: > > _______________________________________________ > > xdoclet-user mailing list > > [EMAIL PROTECTED] > > https://lists.sourceforge.net/lists/listinfo/xdoclet-user > > > > > > ------------------------------------------------------- > This SF.Net email sponsored by: Free pre-built ASP.NET sites including > Data Reports, E-commerce, Portals, and Forums are available now. > Download today and enter to win an XBOX or Visual Studio .NET. > http://aspnet.click-url.com/go/psa00100003ave/direct;at.aspnet_072303_01 /01 > _______________________________________________ > xdoclet-user mailing list > [EMAIL PROTECTED] > https://lists.sourceforge.net/lists/listinfo/xdoclet-user ------------------------------------------------------- This SF.Net email sponsored by: Free pre-built ASP.NET sites including Data Reports, E-commerce, Portals, and Forums are available now. Download today and enter to win an XBOX or Visual Studio .NET. http://aspnet.click-url.com/go/psa00100003ave/direct;at.aspnet_072303_01 /01 _______________________________________________ xdoclet-user mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/xdoclet-user ------------------------------------------------------- This SF.Net email sponsored by: Free pre-built ASP.NET sites including Data Reports, E-commerce, Portals, and Forums are available now. Download today and enter to win an XBOX or Visual Studio .NET. http://aspnet.click-url.com/go/psa00100003ave/direct;at.aspnet_072303_01/01 _______________________________________________ xdoclet-user mailing list [EMAIL PROTECTED] https://lists.sourceforge.net/lists/listinfo/xdoclet-user
