Re: [binarycloud-dev] Er, what is the Entity Manager going to do?

[Alex B. <en...@tu...>]

> Thank you John, for this answer.  It clears up a lot of things,
> and I feel that it is going to be useful.
> 
> What seems satisfying is that, if I understand correctly, is
> that if I need a data structure such as:
> 
> $setup  = array(
> 'table' => array(
>       'border'        => "0",
>       'align'         => "left",
>       'bgcolor'       => "#CCCCFF",
>       'cellspacing'   => "2",
>       'cellpadding'   => "5",
>       'width'         => "400",
>       ),
> 'header' => array(
>       'bgcolor'       => "#FFCCCC",
>       ),
> 'row' => array(
>       'bgcolor'       => "#CCFFCC",
>       ),
> 'column' => array(
>       'bgcolor'       => "#FCFFCC",
>       ),
> 'other' => array(
>       'freshmeat'     => true,
>       ),
> );
> 
> that I, somehow, write this out in XML, and somehow, give
> it an identity/tag/handle/key I can somehow, declare it easily,
> (and it gets dragged out of ./ent ??), can fill it easily,
> use it arguments to other module method calls.  It is
> appreciated that a lot of this effort will be offloaded
> at compile time and not run time.


hi Justin,

the above example isn't correct.

here's a (simplified) example:

entity: user
    username
        type => text
        size => '20'
        regex => 'regex_pattern'
        field_label => 'User Name'
        required => true
    email_address
        type => email
        size => '40'
        field_label => 'Email Address'
        required => true


so, you'll have a users table in your database - and it's good to be able to
do:

EntityManager->Get(); with a primary key and entity, so you can get back a
set of data, or, if you are posting data, Entitymanager will enforce the
rules you defined:

if you're Adding a user, the username and email_address fields must not be
empty - username has to match the regex provided, and the email address has
to match the standard email regex that's implicitly attached to the type.

Entitymanager is _only_ for data access.

> In any case, it sounds good.  I will just have to wait,
> now, for the Stradivarius.

best,

_alex