getOneRandom method Null safety

Future<T?> getOneRandom(
  1. String? correlationId,
  2. Function? filter
)

Gets a random item from items that match to a given filter.

This method shall be called by a public getOneRandom method from child class that receives FilterParams and converts them into a filter function.

  • correlationId (optional) transaction id to trace execution through call chain.
  • filter (optional) a filter function to filter items. Return Future that receives a random item Throw error.