Package org.apache.flink.streaming.api.windowing.assigners

Interface SessionWindowTimeGapExtractor<T>

Type Parameters:
T - The type of elements that this SessionWindowTimeGapExtractor can extract session time gaps from.
All Superinterfaces:
Serializable
@PublicEvolving public interface SessionWindowTimeGapExtractor<T> extends Serializable
A SessionWindowTimeGapExtractor extracts session time gaps for Dynamic Session Window Assigners.

  • Method Summary

    Modifier and Type
    Method
    Description
    long
    extract(T element)
    Extracts the session time gap.

  • Method Details

    • extract

      long extract(T element)
      Extracts the session time gap.
      Parameters:
      element - The input element.
      Returns:
      The session time gap in milliseconds.