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From Peter Klügl <pklu...@uni-wuerzburg.de>
Subject Re: Ruta check if feature is null.
Date Wed, 07 Jan 2015 15:01:38 GMT
Good point, almost forgot about uima.cas.String. This needs to be included.

Best,

Peter


Am 07.01.2015 um 15:56 schrieb Silvestre Losada:
> One question,
>
> For primitive values you mean a feature that is of type uima.cas.String?
> Imagine I have annotation of type Person with a feature surname of type
> uima.cas.String, it would be nice if I can evaluate the condition
>
> Person.surname==null
>
> Kind regards
>
> On 7 January 2015 at 14:26, Peter Klügl <pkluegl@uni-wuerzburg.de> wrote:
>
>> Hi,
>>
>> I assume that this will only affect feature (match/assignment)
>> expressions concerning non-primitive values for now. So we could add a
>> new type of (dummy) expression only in combination with complex features.
>>
>> I further assume that we do not need null-expression in combinations
>> with primitive values, right?
>>
>> Thanks for the offer, but maybe it's better if I implement the changes
>> since I am not sure yet which and how many consequences the changes will
>> have, e.g., the compare method of FeatureMatchExpressions does not work
>> yet with complex features.
>>
>> Best,
>>
>> Peter
>>
>> Am 06.01.2015 um 19:54 schrieb Silvestre Losada:
>>> Hi Peter,
>>>
>>> I opened new feature request, so if you wish you can explain to me the
>>> ideas that you have and I can implement it.
>>>
>>>
>>> Best.
>>>
>>> On 5 January 2015 at 11:38, Peter Klügl <pkluegl@uni-wuerzburg.de>
>> wrote:
>>>> Hi,
>>>>
>>>> that's not (yet) supported. You can open a feature request if you want.
>>>> This shouldn't be too complicated to implement. I already have some
>> ideas...
>>>> This functionality is specified right now in ruta by using an additional
>>>> boolean feature, which stores whether the original feature was set.
>>>>
>>>> Best,
>>>>
>>>> Peter
>>>>
>>>> Am 05.01.2015 um 10:41 schrieb Silvestre Losada:
>>>>
>>>>  Hi all,
>>>>> I was looking into the UIMA ruta documentation and I dont know how to
>>>>> check
>>>>> in ruta script a feature of given annotation is null. Something like
>> this
>>>>> MyAnnotation.feature== NULL{-> ...}
>>>>>
>>>>>
>>>>> is that possible?
>>>>>
>>>>> Kind regards.
>>>>>
>>>>>
>>
>>


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