org.apache.flink.cdc.runtime.partitioning

Class DistributedPrePartitionOperator

java.lang.Object

org.apache.flink.streaming.api.operators.AbstractStreamOperator<PartitioningEvent>

org.apache.flink.cdc.runtime.partitioning.DistributedPrePartitionOperator

All Implemented Interfaces:

Serializable, org.apache.flink.api.common.state.CheckpointListener, org.apache.flink.streaming.api.operators.Input<Event>, org.apache.flink.streaming.api.operators.KeyContext, org.apache.flink.streaming.api.operators.KeyContextHandler, org.apache.flink.streaming.api.operators.OneInputStreamOperator<Event,PartitioningEvent>, org.apache.flink.streaming.api.operators.SetupableStreamOperator<PartitioningEvent>, org.apache.flink.streaming.api.operators.StreamOperator<PartitioningEvent>, org.apache.flink.streaming.api.operators.StreamOperatorStateHandler.CheckpointedStreamOperator

@Internal
public class DistributedPrePartitionOperator
extends org.apache.flink.streaming.api.operators.AbstractStreamOperator<PartitioningEvent>
implements org.apache.flink.streaming.api.operators.OneInputStreamOperator<Event,PartitioningEvent>, Serializable

Operator for processing events from upstream before flowing to SchemaOperator.

See Also:

Serialized Form

Field Summary

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

chainingStrategy, config, lastRecordAttributes1, lastRecordAttributes2, latencyStats, LOG, metrics, output, processingTimeService

Constructor Summary

Constructors

Constructor and Description
DistributedPrePartitionOperator(int downstreamParallelism, HashFunctionProvider<DataChangeEvent> hashFunctionProvider)

Method Summary

Modifier and Type	Method and Description
void	open()
void	processElement(org.apache.flink.streaming.runtime.streamrecord.StreamRecord<Event> element)
void	snapshotState(org.apache.flink.runtime.state.StateSnapshotContext context)

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

close, finish, getChainingStrategy, getContainingTask, getCurrentKey, getExecutionConfig, getInternalTimerService, getKeyedStateBackend, getKeyedStateStore, getMetricGroup, getOperatorConfig, getOperatorID, getOperatorName, getOperatorStateBackend, getOrCreateKeyedState, getPartitionedState, getPartitionedState, getProcessingTimeService, getRuntimeContext, getTimeServiceManager, getUserCodeClassloader, hasKeyContext1, hasKeyContext2, initializeState, initializeState, isUsingCustomRawKeyedState, notifyCheckpointAborted, notifyCheckpointComplete, prepareSnapshotPreBarrier, processLatencyMarker, processLatencyMarker1, processLatencyMarker2, processRecordAttributes, processRecordAttributes1, processRecordAttributes2, processWatermark, processWatermark1, processWatermark2, processWatermarkStatus, processWatermarkStatus1, processWatermarkStatus2, reportOrForwardLatencyMarker, setChainingStrategy, setCurrentKey, setKeyContextElement1, setKeyContextElement2, setProcessingTimeService, setup, 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

close, finish, 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, processRecordAttributes, processWatermark, processWatermarkStatus

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

hasKeyContext

Constructor Detail

DistributedPrePartitionOperator

public DistributedPrePartitionOperator(int downstreamParallelism,
                                       HashFunctionProvider<DataChangeEvent> hashFunctionProvider)

Method Detail

open

public void open()
          throws Exception

Specified by:

open in interface org.apache.flink.streaming.api.operators.StreamOperator<PartitioningEvent>

Overrides:

open in class org.apache.flink.streaming.api.operators.AbstractStreamOperator<PartitioningEvent>

Throws:

Exception

processElement

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

Specified by:

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

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<PartitioningEvent>

Throws:

Exception