"Not sure if it's the best practice, but if someone passes in a bad input to
your setter, in AS3 you can throw errors, such as:"
You can do the same thing in AS2, of course...
Jim Kremens
On 9/25/06, slangeberg <[EMAIL PROTECTED]> wrote:
>so if it's a bad input, it cannot tell the object
that is modifying the setter property that something went wrong.
Not sure if it's the best practice, but if someone passes in a bad input
to
your setter, in AS3 you can throw errors, such as:
public function set volume( val:Number ) {
if ( val == bad_news ) {
throw new Error( "Volume Class - set volume(): Bad value passed in ["
+
val+ "]" );
}
}
Scott
On 9/25/06, Nicolas Cannasse <[EMAIL PROTECTED]> wrote:
>
> > 3) Validate the value and it it's an undesired value,
> > throw an error ? Here, the component prevents the user
> > from assigning and undesired value like NaN or
> > undefined and the user is alerted of the failure at
> > runtime provided that he used a try catch statement.
> >
> > What do you guys think ?
>
> (3) definitly.
>
> It's called "defensive programming". Try to have your API as much
> checked (type-wise and logical-wise) as possible. This will enforce your
> internal logic constraints and prevent faultly programs.
>
> For instance any other component of your application (an UI for example)
> will except your volume to be positive and not NaN so you cannot allow
> such values to be set.
>
> And you shouldn't ignore this error also since silently ignoring errors
> will make you and others lose hours of debugging when something goes
wrong
>
> "damn ! why this f... volume does not get set"
> answer : because it's NaN
>
> Nicolas
> _______________________________________________
> Flashcoders@chattyfig.figleaf.com
> To change your subscription options or search the archive:
> http://chattyfig.figleaf.com/mailman/listinfo/flashcoders
>
> Brought to you by Fig Leaf Software
> Premier Authorized Adobe Consulting and Training
> http://www.figleaf.com
> http://training.figleaf.com
>
--
: : ) Scott
_______________________________________________
Flashcoders@chattyfig.figleaf.com
To change your subscription options or search the archive:
http://chattyfig.figleaf.com/mailman/listinfo/flashcoders
Brought to you by Fig Leaf Software
Premier Authorized Adobe Consulting and Training
http://www.figleaf.com
http://training.figleaf.com
--
Jim Kremens
_______________________________________________
Flashcoders@chattyfig.figleaf.com
To change your subscription options or search the archive:
http://chattyfig.figleaf.com/mailman/listinfo/flashcoders
Brought to you by Fig Leaf Software
Premier Authorized Adobe Consulting and Training
http://www.figleaf.com
http://training.figleaf.com
