[GitHub] [streampipes] dominikriemer opened a new issue, #529: Add FieldRenamer JVM processor for multiple fields

[GitBox <gi...@apache.org>]

dominikriemer opened a new issue, #529:
URL: https://github.com/apache/streampipes/issues/529

   *Context*
   
   Rename multiple events field at once.
   ```
   
   {
     "time_stamp": 1234,
     "sensor_id": "sensor1",
     "sensor_measurement": 24.0
   }
   
   ```
   
   rename "sensor_id" -\> "id", "sensor_measurement", "measurement": new event
   ```
   
   {
     "time_stamp": 1234,
     "id": "sensor1",
     "measurement": 24.0
   }
   ```
   
    *Problem*
   
   Currently, we do have a FieldRenamer implemented using Flink wrapper, yet only allowing to rename one field at a time, i.e., renaming n fields requires a sequence of #n FieldRenamer processors. In addition, this option is unavailable when using lite version, i.e., standalone Java extensions.
   
   *Solution*
   
   Add FieldRenamer JVM processor using something like CollectionStaticProperty to allow arbitrary number of mappings, where a user can select a mapping property and add a new field name in a text field right next to it.
   
    
   
   [EDIT]: There is a duplicate https://issues.apache.org/jira/browse/STREAMPIPES-338 
   
   While this allows to rename single fields, it still does not support multi field renaming in one step.
   
   Imported from Jira [STREAMPIPES-347](https://issues.apache.org/jira/browse/STREAMPIPES-347). Original Jira may contain additional context.
   Reported by: wiener.


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