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

Interface Summary

Interface	Description
PreAggregator	Interface for marking window pre-aggregators that fully process the window so that no further reduce step is necessary afterwards.

Class Summary

Class	Description
BasicWindowBuffer<T>	Basic window buffer that stores the elements in a simple list without any pre-aggregation.
JumpingCountGroupedPreReducer<T>
JumpingCountPreReducer<T>	Non-grouped pre-reducer for jumping time eviction policy (the policies are based on count, and the slide size is larger than the window size).
JumpingTimeGroupedPreReducer<T>
JumpingTimePreReducer<T>	Non-grouped pre-reducer for jumping time eviction policy (the policies are based on time, and the slide size is larger than the window size).
SlidingCountGroupedPreReducer<T>
SlidingCountPreReducer<T>
SlidingGroupedPreReducer<T>
SlidingPreReducer<T>
SlidingTimeGroupedPreReducer<T>	Non-grouped pre-reducer for sliding time eviction policy.
SlidingTimePreReducer<T>	Non-grouped pre-reducer for sliding time eviction policy (the policies are based on time, and the slide size is smaller than the window size).
TumblingGroupedPreReducer<T>	Grouped pre-reducer for tumbling eviction polciy.
TumblingPreReducer<T>	Non-grouped pre-reducer for tumbling eviction policy (the slide size is the same as the window size).
WindowBuffer<T>	Class for defining specialized buffers to store/emit window data.