In scala backend, get rid of null entirely, use scala Options instead.

scalableminds / webknossos

Visualize, share and annotate your large 3D images online

https://webknossos.org

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In scala backend, get rid of null entirely, use scala Options instead. #6234

Open fm3 opened 2 years ago

fm3 commented 2 years ago

There are some usages of null, e.g. in IsosurfaceServiceHolder and VolumeTracingService. This is a code smell, should be replaced by Scala Option/None for type safety.

fm3 commented 1 year ago

I found some in

LRUConcurrentCache
ImageCreator
ZipIO
JsonHelper
TextUtils
IntervalScheduler
DataServiceDataRequest
IsosurfaceServiceHolder
mappingNameForMeshFile