Re: [devel] bx_resource::props

On 15.12.2005 10:04 Uhr, qMax wrote:
> Wednesday, December 14, 2005, 6:54:00 PM, Christian Stocker wrote:
> CS> On 14.12.2005 13:15 Uhr, qMax wrote:
> 
>>>Wednesday, November 30, 2005, 2:07:04 PM, Christian Stocker wrote:
>>>
>>>
>>>
>>>CS> On 29.11.2005 13:24 Uhr, qMax wrote:
>>>
>>>
>>>>>It's somewhat mixed with its derivatives:
>>>>>it refers to $this->props, although never defines them.
>>>>>
>>>>>Thus bx_resource uses it (to implement many bxIresource methods),
>>>>>but initialization of the props is up to derivatives,
>>>>>so there's in general no guarantees it will work,
>>>>>unless exploring bx_resource implementation code,
>>>>>and writing down what props have to be set.
>>>
>>>
>>>the $this->>props array is internal. you don't have to use it, if you
>>>CS> want to implement your own resource, but you should implement the
>>>CS> methods defined in bx/resource.php
>>>
>>>CS> the bx_resource implementation is just a general case and has to be
>>>CS> adapted for your special resource
>>>
>>>e.g.
>>>bx_resource::getProperty() for "output-mime"
>>>uses bx_resource::getOutputMimeType() which takes $this->props['output-mime']
>>>but it is never set and never referenced elsewhere.
>>>output mime is determined by getOutputMime(),
>>>which should be overloaded in all resource classes,
>>>in spite of that resourcemanager knows outputmime from database.
> 
> 
> CS> The idea was, that you can overload it, but you don't have to. Or did I
> CS> not understand you correctly?
> 
> I HAVE to overload getOutputMime()
> implementation in bx_resource simply does not work, bacause uses
> $this->props['output-mime'] which is never set.

you can set $this->props['output-mime']  in your constructor, then you
don't have to overload it.

There's no general way to determine the output-mime, so you have to set
it in your resource class. Or do I miss something?

chregu

> 

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