dominikriemer opened a new issue, #800:
URL: https://github.com/apache/streampipes/issues/800
I just wondering on the example with the 1 class processor here [1] [2].
In the description is mentioned that
Next, we are interested in the fields of the input event stream that
contains the latitude and longitude value we would like to compute against the
geofence center location as follows:
```
String latitudeFieldName = extractor.mappingPropertyValue("latitude-field");
String longitudeFieldName
= extractor.mappingPropertyValue("longitude-field");
```
1) Shouldn't it be:
```
String latitudeFieldName =
parameters.extractor().mappingPropertyValue("latitude-field");
String longitudeFieldName
= parameters.extractor().mappingPropertyValue("longitude-field");
```
2) But this code snippet is is missing in "Your controller class should
look as follows" example.
3) The latitudeFieldName is used in the onEvent Method as
```
float latitude =
event.getFieldBySelector(latitudeFieldName).getAsPrimitive().getAsFloat();
float
longitude =
event.getFieldBySelector(longitudeFieldName).getAsPrimitive().getAsFloat();
```
But the variables can not be resolved.
I but the example code into a file but better overview
[^GeofencingProcessor.java]
[1]
https://streampipes.apache.org/docs/docs/extend-tutorial-data-processors.html
[2]
https://github.com/apache/streampipes-website/blob/dev/documentation/docs/06_extend-tutorial-data-processors.md
Imported from Jira
[STREAMPIPES-643](https://issues.apache.org/jira/browse/STREAMPIPES-643).
Original Jira may contain additional context.
Reported by: micklich.
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