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

Class Summary

Class	Description
EmptyWindowFilter<OUT>
GroupedActiveDiscretizer<IN>
GroupedStreamDiscretizer<IN>	This operator represents the grouped discretization step of a window transformation.
GroupedWindowBuffer<T>	This operator flattens the results of the window transformations by outputing the elements of the StreamWindow one-by-one
ParallelGroupedMerge<OUT>	The version of the ParallelMerge CoFlatMap that does not reduce the incoming elements only appends them to the current window.
ParallelMerge<OUT>	Class that encapsulates the functionality necessary to merge windows created in parallel.
ParallelMergeOperator<OUT>
StreamDiscretizer<IN>	This operator represents the discretization step of a window transformation.
StreamWindowBuffer<T>	This operator manages the window buffers attached to the discretizers.
WindowFlattener<T>	This operator flattens the results of the window transformations by outputing the elements of the StreamWindow one-by-one
WindowFolder<IN,OUT>	This operator is used to apply foldWindow transformations on WindowedDataStreams.
WindowMapper<IN,OUT>	This operator is used to apply mapWindow transformations on WindowedDataStreams.
WindowMerger<T>	This operator merges together the different partitions of the StreamWindows used to merge the results of parallel transformations that belong in the same window.
WindowPartExtractor<OUT>	This FlatMapFunction is used to send the number of parts for each window ID (for each parallel discretizer) to the parallel merger that will use is to merge parallel discretized windows
WindowPartitioner<T>	This operator applies either split or key partitioning depending on the transformation.
WindowReducer<IN>	This operator is used to apply reduceWindow transformations on WindowedDataStreams.