org.apache.flink.statefun.flink.core.feedback

Class FeedbackSinkOperator<V>

java.lang.Object

org.apache.flink.streaming.api.operators.AbstractStreamOperator<java.lang.Void>

org.apache.flink.statefun.flink.core.feedback.FeedbackSinkOperator<V>

All Implemented Interfaces:

java.io.Serializable, org.apache.flink.api.common.state.CheckpointListener, org.apache.flink.streaming.api.operators.Input<V>, org.apache.flink.streaming.api.operators.KeyContext, org.apache.flink.streaming.api.operators.OneInputStreamOperator<V,java.lang.Void>, org.apache.flink.streaming.api.operators.SetupableStreamOperator<java.lang.Void>, org.apache.flink.streaming.api.operators.StreamOperator<java.lang.Void>, org.apache.flink.streaming.api.operators.StreamOperatorStateHandler.CheckpointedStreamOperator

public final class FeedbackSinkOperator<V>
extends org.apache.flink.streaming.api.operators.AbstractStreamOperator<java.lang.Void>
implements org.apache.flink.streaming.api.operators.OneInputStreamOperator<V,java.lang.Void>

IterationSinkOperator.

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.flink.streaming.api.operators.AbstractStreamOperator

chainingStrategy, config, latencyStats, LOG, metrics, output, processingTimeService

Constructor Summary

Constructors

Constructor and Description
FeedbackSinkOperator(FeedbackKey<V> key, java.util.function.LongFunction<V> barrierSentinelSupplier)

Method Summary

Modifier and Type	Method and Description
void	close()
void	open()
void	prepareSnapshotPreBarrier(long checkpointId)
void	processElement(org.apache.flink.streaming.runtime.streamrecord.StreamRecord<V> record)

Methods inherited from class org.apache.flink.streaming.api.operators.AbstractStreamOperator

finish, getChainingStrategy, getContainingTask, getCurrentKey, getExecutionConfig, getInternalTimerService, getKeyedStateBackend, getKeyedStateStore, getMetricGroup, getOperatorConfig, getOperatorID, getOperatorName, getOperatorStateBackend, getOrCreateKeyedState, getPartitionedState, getPartitionedState, getProcessingTimeService, getRuntimeContext, getTimeServiceManager, getUserCodeClassloader, initializeState, initializeState, isUsingCustomRawKeyedState, notifyCheckpointAborted, notifyCheckpointComplete, processLatencyMarker, processLatencyMarker1, processLatencyMarker2, processWatermark, processWatermark1, processWatermark2, processWatermarkStatus, processWatermarkStatus1, processWatermarkStatus2, reportOrForwardLatencyMarker, setChainingStrategy, setCurrentKey, setKeyContextElement1, setKeyContextElement2, setProcessingTimeService, setup, snapshotState, snapshotState

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.apache.flink.streaming.api.operators.OneInputStreamOperator

setKeyContextElement

Methods inherited from interface org.apache.flink.streaming.api.operators.StreamOperator

finish, getMetricGroup, getOperatorID, initializeState, setKeyContextElement1, setKeyContextElement2, snapshotState

Methods inherited from interface org.apache.flink.api.common.state.CheckpointListener

notifyCheckpointAborted, notifyCheckpointComplete

Methods inherited from interface org.apache.flink.streaming.api.operators.KeyContext

getCurrentKey, setCurrentKey

Methods inherited from interface org.apache.flink.streaming.api.operators.Input

processLatencyMarker, processWatermark, processWatermarkStatus

Constructor Detail

FeedbackSinkOperator

public FeedbackSinkOperator(FeedbackKey<V> key,
                            java.util.function.LongFunction<V> barrierSentinelSupplier)

Method Detail

processElement

public void processElement(org.apache.flink.streaming.runtime.streamrecord.StreamRecord<V> record)

Specified by:

processElement in interface org.apache.flink.streaming.api.operators.Input<V>

open

public void open()
          throws java.lang.Exception

Specified by:

open in interface org.apache.flink.streaming.api.operators.StreamOperator<java.lang.Void>

Overrides:

open in class org.apache.flink.streaming.api.operators.AbstractStreamOperator<java.lang.Void>

Throws:

java.lang.Exception

prepareSnapshotPreBarrier

public void prepareSnapshotPreBarrier(long checkpointId)
                               throws java.lang.Exception

Specified by:

prepareSnapshotPreBarrier in interface org.apache.flink.streaming.api.operators.StreamOperator<java.lang.Void>

Overrides:

prepareSnapshotPreBarrier in class org.apache.flink.streaming.api.operators.AbstractStreamOperator<java.lang.Void>

Throws:

java.lang.Exception

close

public void close()
           throws java.lang.Exception

Specified by:

close in interface org.apache.flink.streaming.api.operators.StreamOperator<java.lang.Void>

Overrides:

close in class org.apache.flink.streaming.api.operators.AbstractStreamOperator<java.lang.Void>

Throws:

java.lang.Exception