org.apache.flink.streaming.api.operators

Interface Input<IN>

All Known Subinterfaces:

OneInputStreamOperator<IN,OUT>

All Known Implementing Classes:

AbstractInput, AsyncWaitOperator, BatchGroupedReduceOperator, CollectSinkOperator, ContinuousFileReaderOperator, EvictingWindowOperator, GenericWriteAheadSink, KeyedProcessOperator, LegacyKeyedProcessOperator, ProcessOperator, QueryableAppendingStateOperator, QueryableValueStateOperator, StreamFilter, StreamFlatMap, StreamGroupedReduceOperator, StreamingGlobalCommitterOperator, StreamMap, StreamProject, StreamSink, TimestampsAndWatermarksOperator, WindowOperator

@PublicEvolving
public interface Input<IN>

Input interface used in MultipleInputStreamOperator.

Method Summary

Modifier and Type	Method and Description
void	processElement(StreamRecord<IN> element) Processes one element that arrived on this input of the MultipleInputStreamOperator.
void	processLatencyMarker(LatencyMarker latencyMarker) Processes a LatencyMarker that arrived on the first input of this two-input operator.
void	processWatermark(Watermark mark) Processes a Watermark that arrived on the first input of this two-input operator.
void	setKeyContextElement(StreamRecord<IN> record)

Method Detail

processElement

void processElement(StreamRecord<IN> element)
             throws Exception

Processes one element that arrived on this input of the MultipleInputStreamOperator. This method is guaranteed to not be called concurrently with other methods of the operator.

Throws:

Exception

processWatermark

void processWatermark(Watermark mark)
               throws Exception

Processes a Watermark that arrived on the first input of this two-input operator. This method is guaranteed to not be called concurrently with other methods of the operator.

Throws:

Exception

See Also:

Watermark

processLatencyMarker

void processLatencyMarker(LatencyMarker latencyMarker)
                   throws Exception

Processes a LatencyMarker that arrived on the first input of this two-input operator. This method is guaranteed to not be called concurrently with other methods of the operator.

Throws:

Exception

See Also:

LatencyMarker

setKeyContextElement

void setKeyContextElement(StreamRecord<IN> record)
                   throws Exception

Throws:

Exception