Re: [log4perl-devel] Minor annoying nit with Log::Log4perl::Config

[<msc...@ao...>]

In a message dated 5/1/2003 11:56:46 AM Eastern Standard Time, Jam...@ta... writes:

> In Log::Log4perl::Config::config_read, this code is used to determine if a
> hashref
> of key/value pairs has been passed to Log::Log4perl::init:
> 
>     if (ref($config) eq 'HASH') {   # convert the hashref into a list
> 
> Unfortunately, our in-house confiugration module uses tied hashes blessed
> into their
> own class.  So this check fails and init() throws an exception because we
> haven't given it a scalar reference.

Tough one. I'm not entirely sure that interpreting a hash behind a blessed object is something I want to encourage. I think that once an object has been blessed, one should forget about its implementation.
I'm particularily worried that if one day we want to pass a, say, URI::URL object to the method, I'll have to distinguish between interpreting it as an object or as a blessed hash which I want to interpret as key/value pairs.

Could you work around the problem by having your objects provide a $obj->as_hashref method and using their result for init() ?

-- Mike

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