org.apache.paimon.flink.sink

Class LocalMergeOperator

java.lang.Object

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

org.apache.paimon.flink.sink.LocalMergeOperator

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<InternalRow>, org.apache.flink.streaming.api.operators.KeyContext, org.apache.flink.streaming.api.operators.KeyContextHandler, org.apache.flink.streaming.api.operators.OneInputStreamOperator<InternalRow,InternalRow>, org.apache.flink.streaming.api.operators.SetupableStreamOperator<InternalRow>, org.apache.flink.streaming.api.operators.StreamOperator<InternalRow>, org.apache.flink.streaming.api.operators.StreamOperatorStateHandler.CheckpointedStreamOperator, org.apache.flink.streaming.api.operators.YieldingOperator<InternalRow>

public class LocalMergeOperator
extends org.apache.flink.streaming.api.operators.AbstractStreamOperator<InternalRow>
implements org.apache.flink.streaming.api.operators.OneInputStreamOperator<InternalRow,InternalRow>, org.apache.flink.streaming.api.operators.BoundedOneInput

AbstractStreamOperator which buffer input record and apply merge function when the buffer is full. Mainly to resolve data skew on primary keys.

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, stateHandler, stateKeySelector1, stateKeySelector2, timeServiceManager

Constructor Summary

Constructors

Constructor and Description
LocalMergeOperator(TableSchema schema)

Method Summary

Modifier and Type	Method and Description
void	close()
void	endInput()
void	open()
void	prepareSnapshotPreBarrier(long checkpointId)
void	processElement(org.apache.flink.streaming.runtime.streamrecord.StreamRecord<InternalRow> record)
void	processWatermark(org.apache.flink.streaming.api.watermark.Watermark mark)

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, getStateKeySelector1, getStateKeySelector2, getTimeServiceManager, getUserCodeClassloader, hasKeyContext1, hasKeyContext2, initializeState, initializeState, isUsingCustomRawKeyedState, notifyCheckpointAborted, notifyCheckpointComplete, processLatencyMarker, processLatencyMarker1, processLatencyMarker2, processRecordAttributes, processRecordAttributes1, processRecordAttributes2, processWatermark1, processWatermark2, processWatermarkStatus, processWatermarkStatus1, processWatermarkStatus2, reportOrForwardLatencyMarker, setChainingStrategy, setCurrentKey, setKeyContextElement1, setKeyContextElement2, setMailboxExecutor, setProcessingTimeService, setup, snapshotState, snapshotState, useSplittableTimers

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, getOperatorAttributes, 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, processRecordAttributes, processWatermarkStatus

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

hasKeyContext

Constructor Detail

LocalMergeOperator

public LocalMergeOperator(TableSchema schema)

Method Detail

open

public void open()
          throws Exception

Specified by:

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

Overrides:

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

Throws:

Exception

processElement

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

Specified by:

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

Throws:

Exception

processWatermark

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

Specified by:

processWatermark in interface org.apache.flink.streaming.api.operators.Input<InternalRow>

Overrides:

processWatermark in class org.apache.flink.streaming.api.operators.AbstractStreamOperator<InternalRow>

prepareSnapshotPreBarrier

public void prepareSnapshotPreBarrier(long checkpointId)
                               throws Exception

Specified by:

prepareSnapshotPreBarrier in interface org.apache.flink.streaming.api.operators.StreamOperator<InternalRow>

Overrides:

prepareSnapshotPreBarrier in class org.apache.flink.streaming.api.operators.AbstractStreamOperator<InternalRow>

Throws:

Exception

endInput

public void endInput()
              throws Exception

Specified by:

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

Throws:

Exception

close

public void close()
           throws Exception

Specified by:

close in interface org.apache.flink.streaming.api.operators.StreamOperator<InternalRow>

Overrides:

close in class org.apache.flink.streaming.api.operators.AbstractStreamOperator<InternalRow>

Throws:

Exception