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

Interface Summary

Interface	Description
OneInputStreamOperator<IN,OUT>	Interface for stream operators with one input.
Output<T>	A StreamOperator is supplied with an object of this interface that can be used to emit elements and other messages, such as barriers and low watermarks, from an operator.
StatefulStreamOperator<OUT>	Interface for Stream operators that can have state.
StreamOperator<OUT>	Basic interface for stream operators.
TwoInputStreamOperator<IN1,IN2,OUT>	Interface for stream operators with two inputs.

Class Summary

Class	Description
AbstractStreamOperator<OUT>	Base class for operators that do not contain a user-defined function.
AbstractUdfStreamOperator<OUT,F extends org.apache.flink.api.common.functions.Function & Serializable>	This is used as the base class for operators that have a user-defined function.
StreamCounter<IN>
StreamFilter<IN>
StreamFlatMap<IN,OUT>
StreamFold<IN,OUT>
StreamGroupedFold<IN,OUT>
StreamGroupedReduce<IN>
StreamMap<IN,OUT>
StreamProject<IN,OUT extends org.apache.flink.api.java.tuple.Tuple>
StreamReduce<IN>
StreamSink<IN>
StreamSource<OUT>	StreamOperator for streaming sources.

Enum Summary

Enum	Description
StreamOperator.ChainingStrategy	Defines the chaining scheme for the operator.