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From Aristedes Maniatis <>
Subject Re: [jira] [Commented] (CAY-2038) Hessian serialization error when using JSR-310 Date types with ROP
Date Tue, 08 Dec 2015 12:34:18 GMT
On 8/12/2015 10:36pm, Michael Gentry wrote:
> At the risk of muddying the thread, I think the biggest weakness/hole for
> Cayenne as an ROP server is dealing with the evolving JavaScript UI
> frameworks (AngularJS, KnockoutJS, etc).

The real advantage of Cayenne's ROP implementation is that the client code looks a lot like
code you'd write directly on the server. You manipulate the same ObjectContexts. You get to
roll back, validate records, use parent contexts and all the same stuff you expect from Cayenne.

Mostly you can be unaware of the magic that happens to get your queries and commits from the
client to the server and back again.

Once you leave ROP, then you start to plan around RESTful url routing paths, serialisation
of objects into non-Java formats (often json into Javascript) and a completely different environment
between the server and the client. Sometimes that's exactly what you need and the abstraction
is useful... you might have different development teams working on each end.

But ROP is also nice. You can (often) share code between client and server and (mostly) ignore
what happens in between. In our testing environment we even glue together the client and server,
bypassing the http connection, so the we can run unit tests on the client code without starting
up a separate server.


Aristedes Maniatis
GPG fingerprint CBFB 84B4 738D 4E87 5E5C  5EFA EF6A 7D2E 3E49 102A

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