[Arp] Difference between Value Objects and Models?

[Matt Brailsford]

Aral, Sorry to cross post but could you please offer your view about VO's in the current post titled 'The right way to use VO/TO's '

I'm interested to know if VO's should only be used for transfering data, how should data be held in model? Wouldn't the model contain collections of VO's?

Many thanks

Matt

----------------------------------------
 From: "Keith Salisbury" <keithsalisbury at gmail.com>
Sent: 16 March 2006 07:48
To: "General List for Ariaware RIA Platform users and developers" <Arp at ariaware.com>
Subject: Re: [Arp] Difference between Value Objects and Models? 

I think the term "Transfer Object" is much better. Its far more
explicit about what the purpose of the object is.

We should all try to promote adoption of this term i believe as it
will make it easier for new comers to understand more quickly...

On 3/2/06, Aral Balkan wrote:
> Hi Regina,
>
> Perhaps the term "Value Object" is not as clear as "Transfer Object".
> Basically, the model should be where you keep the data and VOs/TOs are
> what you use when you want to transfer/move data to carry out a unit of
> business logic. The idea behind a VO is that it contains all the data
> necessary to carry out a specific unit of business logic.
>
> Both of them getting registered via the same class is actually
> confusing. I need to refactor that so that the name is more generic.
>
> hth,
> Aral
>
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--
keithsalisbury at gmail.com

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