On Apr 5, 2007, at 4:06 AM, Ovid wrote:
> That's an important backup and one I recommend. However, I don't want
> to see a permissions error hundreds of lines and several modules away
> from the actual cause:
>
> $mc->hammer("can't touch this");
>
> It's important to have the exceptions thrown as close to the code
> causing it as possible, particularly since large systems can make it
> very hard to find out where the offending line is.
Like i said, I'm lazy.
Any chance of these features being pushed back into rose?
On Apr 4, 2007, at 12:57 PM, John Siracusa wrote:
> No, since that'd require extra overhead for all RDBO-derived objects.
> Better to make Rose::DB::Object::ReadOnly or something similar
> which would
> override init() as shown and add an exception on_set for every
> column when
> not init()ializing. Anyone should feel free to code, document, and
> write
> tests for such a thing and then submit it to me :)
Personally, I wouldn't mind seeing something like this ( forgive the
braindump , perhaps someone has a better idea )
my $obj= MyApp::RoseDb::Object::Foo->new( id=1 ); #pulls
default meta
my $readOnly= MyApp::RoseDb::Object::Foo->new( readonly=>
1 ,
from_obj= $obj );
or
my $readOnly=
MyApp::RoseDb::Object::ReadonlyFoo->clone_from
( from_obj= $obj );
or
my $readOnly= $obj >clone( readonly=> 1 );
which would be something akin to
my $writer= MyApp::RoseDb::Object::Foo->new( id=1 );
my $reader= MyApp::RoseDb::Object::ReadonlyFoo->
init_with_column_value_pairs( $writer->column_value_pairs );
or
my $reader= $writer->clone();
bless( $reader , MyApp::RoseDb::Object::ReadonlyFoo );
// Jonathan Vanasco
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