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OlaRoppen
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July 14, 2025
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Data model filter on length of attribute value

  • July 14, 2025
  • 3 replies
  • 66 views

Hi all,
I am building a solution model on top of  a domain model we already have in place for a project.
The domain model contains all the instances we have in the project, but this consumer is only interested in a subset and would like some filters in place to ensure that they are only getting the subset of interest. One of the requirements is that a certain property is according to their project standards and has a minimum length for a property. I see that there is a Range filter to check if a numeric property’s value is within a specified range, but is there any way I can add functionality to get the values length for this property?

    Best answer by Anders Albert

    I have checked now, and unfortunately we do not have such as filter. The closes we have is a prefix-filter, but that does not sound like what you need.

     

    I guess a workaround is to introduce a new integer variable tagLength, store the length of the tag in it, and use a range filter. However, that puts requirements on you when you ingest data to ensure consistency. 

    3 replies

    Anders Albert
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    Anders Albert
    Expert ⭐️⭐️⭐️⭐️
    July 14, 2025

    Can you give an example here? I do not understand why you need to get a length within a filter?

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      OlaRoppenAuthor
      Committed ⭐️⭐️⭐️
      July 14, 2025

      Let’s call this attribute ‘ObjectName’ (alphanumeric attribute). According to the consumer’s standards, only instances with an ‘ObjectName’ of length 7 characters or greater are valid objects. However our domain model also contains instances with ‘ObjectName’ of length shorter than 7 that are work in progress. The idea was for the solutionmodel that is mapping to the domain model to have a rawFilter that checks that the length of ‘ObjectName’ is 7 or greater to ensure that the instances they are getting match their requirements for a valid object.

      Anders Albert
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      Anders AlbertAnswer
      Expert ⭐️⭐️⭐️⭐️
      July 15, 2025

      I have checked now, and unfortunately we do not have such as filter. The closes we have is a prefix-filter, but that does not sound like what you need.

       

      I guess a workaround is to introduce a new integer variable tagLength, store the length of the tag in it, and use a range filter. However, that puts requirements on you when you ingest data to ensure consistency. 

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