Package org.apache.flink.streaming.api.functions.windowing.delta

Interface Summary

Interface	Description
DeltaFunction<DATA>	This interface allows the implementation of a function which calculates the delta between two data points.

Class Summary

Class	Description
CosineDistance<DATA>	This delta function calculates the cosine distance between two given vectors.
EuclideanDistance<DATA>	This delta function calculates the euclidean distance between two given points.
ExtractionAwareDeltaFunction<DATA,TO>	Extend this abstract class to implement a delta function which is aware of extracting the data on which the delta is calculated from a more complex data structure.