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How to access the output of the generated list in the ListBasedFeatureMerger

  • August 14, 2019
  • 3 replies
  • 24 views

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I have a ListBasedFeatureMerger to merge requestors that have IDs that potentially match the ID of the supplier features.

I understand that a list can be generated if there is no complete match with all IDs of the requestor list.

In my case, the generated list "_all_matches" appears in the result on the UnmergedRequestor port (see screenshot 2, it has two entries).

However, I cannot access these attributes with any transformer.

How can I get access to them?

 

 

 

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3 replies

erik_jan
Contributor
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  • Contributor
  • August 14, 2019

Can it be that the list is not exposed?

Have you tried using the AttributeExposer, exposing _all_matches{}?

Hope this helps.


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  • Author
  • August 15, 2019

Can it be that the list is not exposed?

Have you tried using the AttributeExposer, exposing _all_matches{}?

Hope this helps.

Yes, but it does not show up there.


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  • Author
  • August 15, 2019

The solution apparently is to name the generated list in the ListBasedFeatureMerger the same as the existing list of the requestor features – in this case the name has to be 

_matches
.