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Re: EOEditingContext and WO Services (was Subclassing EOEditingContext)
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Re: EOEditingContext and WO Services (was Subclassing EOEditingContext)


  • Subject: Re: EOEditingContext and WO Services (was Subclassing EOEditingContext)
  • From: Ricardo Strausz <email@hidden>
  • Date: Wed, 4 Jul 2007 12:31:20 -0500

Hola Chuck!

On Jul 4, 2007, at 11:30, Chuck Hill wrote:


On Jul 4, 2007, at 9:12 AM, Ricardo Strausz wrote:

To have full access to the model (to the database) trough a service...
I am thinking in an intranet, where security is not issue... well it is, but it can be handled.
This may be the simplest way to connect a desktop app to a database...
I know, it has its problems (e.g., most of the logic goes on the client) and many EOF functionality is lost with this approach... but it is just a first try...

And all the clients share a single editing context?

Each process instantiates its own editing context, they just shares the same model. This leads to one of my main problems; namely, uniqueing and faulting (is this the correct spelling?)... may be they should share also a coordinator, but this I will decide later...




Do you have another suggestion?

I'd keep business logic on the server and move display and a layer of validation to the client. The solution to this is much more complex than exposing a single editing context as a web service.

Sure, the problem is much more complex... this is just a first approach... for the moment I just want to have basic functionality exposed to the client (like fetch and save).


Dino



Chuck



On Jul 4, 2007, at 10:15, Chuck Hill wrote:

Why would you want to expose an editing context through a web service? That seems like the wrong thing to even _want_ to do.

Chuck


On Jul 4, 2007, at 8:02 AM, Ricardo Strausz wrote:

Hola!

Apparently, it is not trivial (at least not easy) to publish an EOEditingContex trough a web service (see below), nor a subclass of it, so i decided to do so by "wrapping" such an object into one of mine...
it works, but it is more tedious since I have to "bypass" each used method...


If some one knows a better approach, I am looking forward to here about...

Gracias,
Dino



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References: 
 >EOEditingContext and WO Services (was Subclassing EOEditingContext) (From: Ricardo Strausz <email@hidden>)
 >Re: EOEditingContext and WO Services (was Subclassing EOEditingContext) (From: Chuck Hill <email@hidden>)
 >Re: EOEditingContext and WO Services (was Subclassing EOEditingContext) (From: Ricardo Strausz <email@hidden>)
 >Re: EOEditingContext and WO Services (was Subclassing EOEditingContext) (From: Chuck Hill <email@hidden>)

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