org.apache.flink.cdc.runtime.operators.sink

Class DataSinkWriterOperator<CommT>

java.lang.Object

org.apache.flink.streaming.api.operators.AbstractStreamOperator<org.apache.flink.streaming.api.connector.sink2.CommittableMessage<CommT>>

org.apache.flink.cdc.runtime.operators.sink.DataSinkWriterOperator<CommT>

Type Parameters:

CommT - the type of the committable (to send to downstream operators)

All Implemented Interfaces:

Serializable, org.apache.flink.api.common.state.CheckpointListener, org.apache.flink.streaming.api.operators.BoundedOneInput, org.apache.flink.streaming.api.operators.Input<org.apache.flink.cdc.common.event.Event>, org.apache.flink.streaming.api.operators.KeyContext, org.apache.flink.streaming.api.operators.KeyContextHandler, org.apache.flink.streaming.api.operators.OneInputStreamOperator<org.apache.flink.cdc.common.event.Event,org.apache.flink.streaming.api.connector.sink2.CommittableMessage<CommT>>, org.apache.flink.streaming.api.operators.SetupableStreamOperator<org.apache.flink.streaming.api.connector.sink2.CommittableMessage<CommT>>, org.apache.flink.streaming.api.operators.StreamOperator<org.apache.flink.streaming.api.connector.sink2.CommittableMessage<CommT>>, org.apache.flink.streaming.api.operators.StreamOperatorStateHandler.CheckpointedStreamOperator

@Internal
public class DataSinkWriterOperator<CommT>
extends org.apache.flink.streaming.api.operators.AbstractStreamOperator<org.apache.flink.streaming.api.connector.sink2.CommittableMessage<CommT>>
implements org.apache.flink.streaming.api.operators.OneInputStreamOperator<org.apache.flink.cdc.common.event.Event,org.apache.flink.streaming.api.connector.sink2.CommittableMessage<CommT>>, org.apache.flink.streaming.api.operators.BoundedOneInput

An operator that processes records to be written into a Sink.

The operator is a proxy of SinkWriterOperator in Flink.

The operator is always part of a sink pipeline and is the first operator.

See Also:

Serialized Form

Field Summary

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

chainingStrategy, config, latencyStats, LOG, metrics, output

Constructor Summary

Constructors

Constructor and Description
DataSinkWriterOperator(org.apache.flink.api.connector.sink2.Sink<org.apache.flink.cdc.common.event.Event> sink, org.apache.flink.streaming.runtime.tasks.ProcessingTimeService processingTimeService, org.apache.flink.api.common.operators.MailboxExecutor mailboxExecutor, org.apache.flink.runtime.jobgraph.OperatorID schemaOperatorID)

Method Summary

Modifier and Type	Method and Description
void	close()
void	endInput()
void	initializeState(org.apache.flink.runtime.state.StateInitializationContext context)
void	open()
void	prepareSnapshotPreBarrier(long checkpointId)
void	processElement(org.apache.flink.streaming.runtime.streamrecord.StreamRecord<org.apache.flink.cdc.common.event.Event> element)
void	processWatermark(org.apache.flink.streaming.api.watermark.Watermark mark)
void	processWatermarkStatus(org.apache.flink.streaming.runtime.watermarkstatus.WatermarkStatus watermarkStatus)
void	setup(org.apache.flink.streaming.runtime.tasks.StreamTask<?,?> containingTask, org.apache.flink.streaming.api.graph.StreamConfig config, org.apache.flink.streaming.api.operators.Output<org.apache.flink.streaming.runtime.streamrecord.StreamRecord<org.apache.flink.streaming.api.connector.sink2.CommittableMessage<CommT>>> output)
void	snapshotState(org.apache.flink.runtime.state.StateSnapshotContext context)

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, hasKeyContext1, hasKeyContext2, initializeState, isUsingCustomRawKeyedState, notifyCheckpointAborted, notifyCheckpointComplete, processLatencyMarker, processLatencyMarker1, processLatencyMarker2, processWatermark1, processWatermark2, processWatermarkStatus1, processWatermarkStatus2, reportOrForwardLatencyMarker, setChainingStrategy, setCurrentKey, setKeyContextElement1, setKeyContextElement2, setProcessingTimeService, 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

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

hasKeyContext

Constructor Detail

DataSinkWriterOperator

public DataSinkWriterOperator(org.apache.flink.api.connector.sink2.Sink<org.apache.flink.cdc.common.event.Event> sink,
                              org.apache.flink.streaming.runtime.tasks.ProcessingTimeService processingTimeService,
                              org.apache.flink.api.common.operators.MailboxExecutor mailboxExecutor,
                              org.apache.flink.runtime.jobgraph.OperatorID schemaOperatorID)

Method Detail

setup

public void setup(org.apache.flink.streaming.runtime.tasks.StreamTask<?,?> containingTask,
                  org.apache.flink.streaming.api.graph.StreamConfig config,
                  org.apache.flink.streaming.api.operators.Output<org.apache.flink.streaming.runtime.streamrecord.StreamRecord<org.apache.flink.streaming.api.connector.sink2.CommittableMessage<CommT>>> output)

Specified by:

setup in interface org.apache.flink.streaming.api.operators.SetupableStreamOperator<org.apache.flink.streaming.api.connector.sink2.CommittableMessage<CommT>>

Overrides:

setup in class org.apache.flink.streaming.api.operators.AbstractStreamOperator<org.apache.flink.streaming.api.connector.sink2.CommittableMessage<CommT>>

open

public void open()
          throws Exception

Specified by:

open in interface org.apache.flink.streaming.api.operators.StreamOperator<org.apache.flink.streaming.api.connector.sink2.CommittableMessage<CommT>>

Overrides:

open in class org.apache.flink.streaming.api.operators.AbstractStreamOperator<org.apache.flink.streaming.api.connector.sink2.CommittableMessage<CommT>>

Throws:

Exception

initializeState

public void initializeState(org.apache.flink.runtime.state.StateInitializationContext context)
                     throws Exception

Specified by:

initializeState in interface org.apache.flink.streaming.api.operators.StreamOperatorStateHandler.CheckpointedStreamOperator

Overrides:

initializeState in class org.apache.flink.streaming.api.operators.AbstractStreamOperator<org.apache.flink.streaming.api.connector.sink2.CommittableMessage<CommT>>

Throws:

Exception

snapshotState

public void snapshotState(org.apache.flink.runtime.state.StateSnapshotContext context)
                   throws Exception

Specified by:

snapshotState in interface org.apache.flink.streaming.api.operators.StreamOperatorStateHandler.CheckpointedStreamOperator

Overrides:

snapshotState in class org.apache.flink.streaming.api.operators.AbstractStreamOperator<org.apache.flink.streaming.api.connector.sink2.CommittableMessage<CommT>>

Throws:

Exception

processWatermark

public void processWatermark(org.apache.flink.streaming.api.watermark.Watermark mark)
                      throws Exception

Specified by:

processWatermark in interface org.apache.flink.streaming.api.operators.Input<org.apache.flink.cdc.common.event.Event>

Overrides:

processWatermark in class org.apache.flink.streaming.api.operators.AbstractStreamOperator<org.apache.flink.streaming.api.connector.sink2.CommittableMessage<CommT>>

Throws:

Exception

processWatermarkStatus

public void processWatermarkStatus(org.apache.flink.streaming.runtime.watermarkstatus.WatermarkStatus watermarkStatus)
                            throws Exception

Specified by:

processWatermarkStatus in interface org.apache.flink.streaming.api.operators.Input<org.apache.flink.cdc.common.event.Event>

Overrides:

processWatermarkStatus in class org.apache.flink.streaming.api.operators.AbstractStreamOperator<org.apache.flink.streaming.api.connector.sink2.CommittableMessage<CommT>>

Throws:

Exception

processElement

public void processElement(org.apache.flink.streaming.runtime.streamrecord.StreamRecord<org.apache.flink.cdc.common.event.Event> element)
                    throws Exception

Specified by:

processElement in interface org.apache.flink.streaming.api.operators.Input<org.apache.flink.cdc.common.event.Event>

Throws:

Exception

prepareSnapshotPreBarrier

public void prepareSnapshotPreBarrier(long checkpointId)
                               throws Exception

Specified by:

prepareSnapshotPreBarrier in interface org.apache.flink.streaming.api.operators.StreamOperator<org.apache.flink.streaming.api.connector.sink2.CommittableMessage<CommT>>

Overrides:

prepareSnapshotPreBarrier in class org.apache.flink.streaming.api.operators.AbstractStreamOperator<org.apache.flink.streaming.api.connector.sink2.CommittableMessage<CommT>>

Throws:

Exception

close

public void close()
           throws Exception

Specified by:

close in interface org.apache.flink.streaming.api.operators.StreamOperator<org.apache.flink.streaming.api.connector.sink2.CommittableMessage<CommT>>

Overrides:

close in class org.apache.flink.streaming.api.operators.AbstractStreamOperator<org.apache.flink.streaming.api.connector.sink2.CommittableMessage<CommT>>

Throws:

Exception

endInput

public void endInput()
              throws Exception

Specified by:

endInput in interface org.apache.flink.streaming.api.operators.BoundedOneInput

Throws:

Exception