org.apache.flink.cdc.runtime.operators.transform

Class TransformDataOperator

java.lang.Object

org.apache.flink.streaming.api.operators.AbstractStreamOperator<org.apache.flink.cdc.common.event.Event>

org.apache.flink.cdc.runtime.operators.transform.TransformDataOperator

All Implemented Interfaces:

Serializable, org.apache.flink.api.common.state.CheckpointListener, 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.cdc.common.event.Event>, org.apache.flink.streaming.api.operators.SetupableStreamOperator<org.apache.flink.cdc.common.event.Event>, org.apache.flink.streaming.api.operators.StreamOperator<org.apache.flink.cdc.common.event.Event>, org.apache.flink.streaming.api.operators.StreamOperatorStateHandler.CheckpointedStreamOperator

public class TransformDataOperator
extends org.apache.flink.streaming.api.operators.AbstractStreamOperator<org.apache.flink.cdc.common.event.Event>
implements org.apache.flink.streaming.api.operators.OneInputStreamOperator<org.apache.flink.cdc.common.event.Event,org.apache.flink.cdc.common.event.Event>

A data process function that applies user-defined transform logics.

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	TransformDataOperator.Builder Builder of TransformDataOperator.

Field Summary

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

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

Method Summary

Modifier and Type	Method and Description
void	close()
void	finish()
void	initializeState(org.apache.flink.runtime.state.StateInitializationContext context)
static TransformDataOperator.Builder	newBuilder()
void	open()
void	processElement(org.apache.flink.streaming.runtime.streamrecord.StreamRecord<org.apache.flink.cdc.common.event.Event> element)
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.cdc.common.event.Event>> output)

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

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, prepareSnapshotPreBarrier, processLatencyMarker, processLatencyMarker1, processLatencyMarker2, processWatermark, processWatermark1, processWatermark2, processWatermarkStatus, processWatermarkStatus1, processWatermarkStatus2, reportOrForwardLatencyMarker, setChainingStrategy, setCurrentKey, setKeyContextElement1, setKeyContextElement2, setProcessingTimeService, 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

getMetricGroup, getOperatorID, initializeState, prepareSnapshotPreBarrier, 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

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

hasKeyContext

Method Detail

newBuilder

public static TransformDataOperator.Builder newBuilder()

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.cdc.common.event.Event>> output)

Specified by:

setup in interface org.apache.flink.streaming.api.operators.SetupableStreamOperator<org.apache.flink.cdc.common.event.Event>

Overrides:

setup in class org.apache.flink.streaming.api.operators.AbstractStreamOperator<org.apache.flink.cdc.common.event.Event>

open

public void open()
          throws Exception

Specified by:

open in interface org.apache.flink.streaming.api.operators.StreamOperator<org.apache.flink.cdc.common.event.Event>

Overrides:

open in class org.apache.flink.streaming.api.operators.AbstractStreamOperator<org.apache.flink.cdc.common.event.Event>

Throws:

Exception

finish

public void finish()
            throws Exception

Specified by:

finish in interface org.apache.flink.streaming.api.operators.StreamOperator<org.apache.flink.cdc.common.event.Event>

Overrides:

finish in class org.apache.flink.streaming.api.operators.AbstractStreamOperator<org.apache.flink.cdc.common.event.Event>

Throws:

Exception

close

public void close()
           throws Exception

Specified by:

close in interface org.apache.flink.streaming.api.operators.StreamOperator<org.apache.flink.cdc.common.event.Event>

Overrides:

close in class org.apache.flink.streaming.api.operators.AbstractStreamOperator<org.apache.flink.cdc.common.event.Event>

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.cdc.common.event.Event>

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