[GitHub] [streampipes] dominikriemer opened a new issue, #286: Handle non-primitive and primitive event data returned from Siddhi

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

dominikriemer opened a new issue, #286:
URL: https://github.com/apache/streampipes/issues/286

   Depending on the Siddhi query, events received from Siddhi either contain a *non-primitive data structure*, e.g. for the trend detection [1] it is a LinkedList,
   
   Returned Siddhi event looks like this: 
   ```
   
   Event{timestamp=1590427035172, data=[[24661], [10], [c], [1590427035166]], isExpired=false}
   ```
   
    or
   
   contain a *primitive data structure*, e.g. for the numerical filter (siddhi) [2] as an Integer.
   
   Returned Siddhi event looks like this:
   ```
   
   Event{timestamp=1590427127153, data=[24753, 36, b, 1590427127149], isExpired=false}
   ```
   
    
   
   Now, in the wrapper when trying to convert to a StreamPipes event in the 
   ```
   
   toSpEvent(...)
   ```
   
   method this fails due to casting error.
   
    
   
   [1][Trend detection]([https://github.com/apache/incubator-streampipes-extensions/blob/dev/streampipes-processors-filters-siddhi/src/main/java/org/apache/streampipes/processors/siddhi/trend/Trend.java)]
   
   [2][Numerical Filter (Siddhi)]([https://github.com/apache/incubator-streampipes-extensions/blob/dev/streampipes-processors-filters-siddhi/src/main/java/org/apache/streampipes/processors/siddhi/filter/NumericalFilter.java)]
   
    
   
   Imported from Jira [STREAMPIPES-142](https://issues.apache.org/jira/browse/STREAMPIPES-142). Original Jira may contain additional context.
   Reported by: wiener.


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[GitHub] [streampipes] dominikriemer closed issue #286: Handle non-primitive and primitive event data returned from Siddhi

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

dominikriemer closed issue #286: Handle non-primitive and primitive event data returned from Siddhi
URL: https://github.com/apache/streampipes/issues/286


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