程序包 org.apache.flink.iteration.operator

接口概要

接口	说明
OperatorWrapper<T,R>	Wrappers for the given operator factory.

类概要

类	说明
AbstractWrapperOperator<T>	The base class of all the wrapper operators.
HeadOperator	The head operator unions the initialized variable stream and the feedback stream, synchronize the epoch watermark (round) and taking care of the checkpoints.
HeadOperatorFactory	The Factory for the HeadOperator.
InputOperator<T>	Input operator that wraps the user record into IterationRecord.
OperatorStateUtils	Utility to deal with the states inside the operator.
OperatorUtils	Utility class for operators.
OutputOperator<T>	Output operator that unwraps IterationRecord into user record, and desert all the event records.
ReplayOperator<T>	Replays the data received in the round 0 in the following round.
TailOperator	The tail operators is attached after each feedback operator to increment the round of each record.
WrapperOperatorFactory<OUT>	The factory to create the subclass of AbstractWrapperOperator.