+9Hi,
I have a workspace that reads a shapefile. My workspace has around 450 transformers. I defined published parameters for the user to insert the row quantities of the shapefile.
How can I automatically get the number of features from my file and save it in a published parameter to use in the middle of my workspace, simulating the values inserted by the user?
Best answer by nielsgerrits
I think this is not possible. Parameters can only be set before the run, not when running. Only a workspace split in two parts with a WorkspaceRunner can do that.
You could try and use VariableSetter and Retriever but those can react fishy in combination with featurecaching.
Depending on the workspace, I would use a StatisticsCalculator at the start and keep the attribute attached until needed.
Or a FeatureWriter and a FeatureReader which writes the number to a temp file, but this probably has a similar effect as the VariableSetter and VariableRetriever.
+60I think this is not possible. Parameters can only be set before the run, not when running. Only a workspace split in two parts with a WorkspaceRunner can do that.
You could try and use VariableSetter and Retriever but those can react fishy in combination with featurecaching.
Depending on the workspace, I would use a StatisticsCalculator at the start and keep the attribute attached until needed.
Or a FeatureWriter and a FeatureReader which writes the number to a temp file, but this probably has a similar effect as the VariableSetter and VariableRetriever.
+62As
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