To me it also sounds a bit better to have a Axis serializer (if such an abstraction do exist) do the job. Having hbm2java generate special DTO's for you to this purpuse is also ok, but remember that these DTO's cannot be used by hibernate as it requires you to use the Collection interface types (list, map, bag, etc.)
But thinking about it makes also wonder why Axis can't handle untyped lists ?! Can it only handle concrete arrays, or ? Best explanation is probably to show me an example of a POJO and the corresponding Axis compatible soap thingy - could you do that ?
/max
Dmitri Colebatch wrote:
Hey,
I haven't done this, nor needed to give it any thought before, but would it be possible to write an Axis serializer that utilized the hibernate codebase, specifically the meta-data about the classes, to serialize them to soap friendly collections and so on?
I'm assuming you're not trying to distribute transactions or anything? You're just after the value yeah?
my 2c.
cheers dim
----- Original Message ----- From: "Josh Rehman" <[EMAIL PROTECTED]> To: <[EMAIL PROTECTED]> Sent: Thursday, August 07, 2003 11:45 AM Subject: [Hibernate] Moving Hibernate objects with SOAP
Hello all,
I'd like to move Hibernate generated objects (generated with hbm2java, of course) across the wire with SOAP.
There are two problems:
First, Hibernate generates collection accessors. This is great, but these are, by necessity, untyped. The Axis serializer cannot handle this.
Second, it often comes to pass that we are only interested in a subset of the object. In particular, we often do NOT want to move an entire collection accross the wire. Unfortunately, the serializer will call all accesors on the hibernate object, and CGLIB will, of course, do it's job and get everything known about that object.
We have so far tried to solve these problems by writing an additional code generator that creates so-called "Data Transfer Objects" (Fowler's term, also abreviated DTO) that have a) typed array accessors, and b) the ability to specify a subset of interesting properties. We aren't quite done with this effort, but it's so far working out well. The DTOs are generated by delegating work to an underlying hibernate class.
Has anyone faced and solved, these probelms? If so, I'd like to hear about it. In particular, I was hoping that there is something obvious that I may have missed.
With kind regards, Josh Rehman
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