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From Aristedes Maniatis <>
Subject Re: Add ActiveRecord support to Cayenne
Date Thu, 27 Dec 2012 04:24:29 GMT
On 26/12/12 6:48pm, Дробеня Илья wrote:
> This is the best OOP design. And for me need to separate context only when
> we need anvanced features that do not possible in current design.

Let's take:


Are there two separate contexts there so I committed only the 'a' deletion? Or is there one
shared context across the application, so I committed both deletions?


Will that work in your API? Do I need to commit b first? What if I have a foreign key constraint?

The idea of the fluent query API (as per Rails) is very attractive. The idea of hiding Context
not as much (to me). In Rails lots of code looks like this:

ActiveRecord::Base.transaction do
   a.friend = b

Although a Cayenne context is more than just a transaction, it also solves the problem that
Rails would use a transaction for. How will you do that?


Aristedes Maniatis
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