[Nepomuk] Re: How to read back the Nepomuk::Resource identifier

[Sebastian Trüg]

Hi Chris,

I just realized that this is a bit of a bug. If an identifier has a
schema, i.e. is a URI with a schema, it is more or less ignored. :(
And since akonadi URIs have the akonadi: schema this could be the
problem....

I need to fix that somehow.

Cheers,
Sebastian

On 02/22/2011 02:54 PM, Christian Mollekopf wrote:
> On Tuesday 22 February 2011 14:41:39 Sebastian Trüg wrote:
>> On 02/22/2011 01:05 PM, Christian Mollekopf wrote:
>>> On Tuesday 22 February 2011 11:30:30 Sebastian Trüg wrote:
>>>> That is weird indeed.
>>>> Could you please do a kDebug() on the resource to see its details.
>>>
>>> What exactly would you like to see? (I can't just  print the whole
>>> resource, or can I?)
>>>
>>> the identifiers part is just empty, directly on creation, or also when
>>> loaded later on. The uri is also first empty, and later on when loaded
>>> from storage a normal nepomuk:/ uri.
>>>
>>> I'd expect that when created like this:
>>>
>>> Nepomuk::Resource res(identifier,
>>> Nepomuk::Vocabulary::NFO::HtmlDocument());
>>
>> is "identifier" a QString. Only then it would be used as identifier.
>> Otherwise it would be used as nie:url I think...
>>
> yes, identifier is a QString.
> 
>>> res.identifiers() would return identifier, is that correct?
>>>
>>>> Cheers,
>>>> Sebastian
>>>>
>>>> On 02/17/2011 05:41 PM, Christian Mollekopf wrote:
>>>>> another question =)
>>>>>
>>>>> So far I created Nepomuk::Resources  for an Akonadi::Item using the the
>>>>> url of the Akonadi::Item as identifier, which works well so far.
>>>>>
>>>>> But now that I tried getting the Akonadi::Item url back from the
>>>>> corresponding Nepomu::Resource, I realized that neither the uri nor the
>>>>> indetifiers contain the Akonadi::Item url which was used to create the
>>>>> Resource.
>>>>>
>>>>> In other words, using the same url as identifier always gives me the
>>>>> same Resource, but I can't get that url back from the Resource. Is
>>>>> that normal?
>>>>>
>>>>> And how should I work around this? By Adding the url as additional
>>>>> Identifier?
>>>>>
>>>>> Cheers,
>>>>>
>>>>> Chris
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