Howard,
My experience with hibernate is limited. But, I will say cayenne's
simplicity is a strong point. Once all the modeling work and source
generation is complete (which I'd assume you'd include in your examples
anyway), the interface for using cayenne is very straightforward.
I think it would allow you to gloss over the O/R details and focus on what's
important for the book.
Cheers,
Eric
> -----Original Message-----
> From: Dirk Olmes [mailto:dirk.olme..mx.de]
> Sent: Tuesday, January 28, 2003 12:18 PM
> To: hlshi..ttbi.com
> Cc: cayenne-use..bjectstyle.org
> Subject: Re: Cayenne and Hibernate
>
>
> First of all: my working knowledge of Hibernate is about half a year
> old. Maybe some things have improved by now.
>
> > Hibernate uses POJO (plain old java objects), no intefaces,
> and lots of
> > reflection.
> > Cayenne uses an interface, and implementations with
> indirect storage of
> > properties and relationships, supported by code generation.
>
> Hibernate can do lazy loading of relationships but that's not the
> default. If you want to do it, you'll have to define an interface for
> your DataObjects because Hibernate uses Java Proxies.
>
> -dirk
>
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