Package org.apache.flink.table.runtime.operators.aggregate.window

Class LocalSlicingWindowAggOperator

java.lang.Object

org.apache.flink.streaming.api.operators.AbstractStreamOperator<org.apache.flink.table.data.RowData>

org.apache.flink.table.runtime.operators.aggregate.window.LocalSlicingWindowAggOperator

All Implemented Interfaces:

Serializable, org.apache.flink.api.common.state.CheckpointListener, org.apache.flink.streaming.api.operators.Input<org.apache.flink.table.data.RowData>, org.apache.flink.streaming.api.operators.KeyContext, org.apache.flink.streaming.api.operators.KeyContextHandler, org.apache.flink.streaming.api.operators.OneInputStreamOperator<org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData>, org.apache.flink.streaming.api.operators.StreamOperator<org.apache.flink.table.data.RowData>, org.apache.flink.streaming.api.operators.StreamOperatorStateHandler.CheckpointedStreamOperator, org.apache.flink.streaming.api.operators.YieldingOperator<org.apache.flink.table.data.RowData>

public class LocalSlicingWindowAggOperator
extends org.apache.flink.streaming.api.operators.AbstractStreamOperator<org.apache.flink.table.data.RowData>
implements org.apache.flink.streaming.api.operators.OneInputStreamOperator<org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData>

The operator used for local window aggregation.

Note: this only supports event-time window.

See Also:

• Serialized Form

Field Summary

Fields

Modifier and Type	Field	Description
protected org.apache.flink.streaming.api.operators.TimestampedCollector<org.apache.flink.table.data.RowData>	collector	This is used for emitting elements with a given timestamp.

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

combinedWatermark, config, lastRecordAttributes1, lastRecordAttributes2, latencyStats, LOG, metrics, output, processingTimeService, stateHandler, stateKeySelector1, stateKeySelector2, timeServiceManager

Constructor Summary

Constructors

Constructor	Description
LocalSlicingWindowAggOperator(RowDataKeySelector keySelector, SliceAssigner sliceAssigner, WindowBuffer.LocalFactory windowBufferFactory, ZoneId shiftTimezone)

Method Summary

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

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

beforeInitializeStateHandler, finish, getContainingTask, getCurrentKey, getExecutionConfig, getInternalTimerService, getKeyedStateBackend, getKeyedStateStore, getMetricGroup, getOperatorConfig, getOperatorID, getOperatorName, getOperatorStateBackend, getOrCreateKeyedState, getPartitionedState, getPartitionedState, getProcessingTimeService, getRuntimeContext, getStateKeySelector1, getStateKeySelector2, getTimeServiceManager, getUserCodeClassloader, hasKeyContext1, hasKeyContext2, initializeState, initializeState, isAsyncStateProcessingEnabled, isUsingCustomRawKeyedState, notifyCheckpointAborted, notifyCheckpointComplete, processLatencyMarker, processLatencyMarker1, processLatencyMarker2, processRecordAttributes, processRecordAttributes1, processRecordAttributes2, processWatermark, processWatermark1, processWatermark1, processWatermark2, processWatermark2, processWatermarkStatus, processWatermarkStatus, processWatermarkStatus1, processWatermarkStatus2, reportOrForwardLatencyMarker, 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.api.common.state.CheckpointListener

notifyCheckpointAborted, notifyCheckpointComplete

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.KeyContext

getCurrentKey, setCurrentKey

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

hasKeyContext

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

Field Details

collector

protected transient org.apache.flink.streaming.api.operators.TimestampedCollector<org.apache.flink.table.data.RowData> collector

This is used for emitting elements with a given timestamp.

Constructor Details

LocalSlicingWindowAggOperator

public LocalSlicingWindowAggOperator(RowDataKeySelector keySelector,
 SliceAssigner sliceAssigner,
 WindowBuffer.LocalFactory windowBufferFactory,
 ZoneId shiftTimezone)

Method Details

open

public void open()
          throws Exception

Specified by:

open in interface org.apache.flink.streaming.api.operators.StreamOperator<org.apache.flink.table.data.RowData>

Overrides:

open in class org.apache.flink.streaming.api.operators.AbstractStreamOperator<org.apache.flink.table.data.RowData>

Throws:

Exception

processElement

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

Specified by:

processElement in interface org.apache.flink.streaming.api.operators.Input<org.apache.flink.table.data.RowData>

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.table.data.RowData>

Overrides:

processWatermark in class org.apache.flink.streaming.api.operators.AbstractStreamOperator<org.apache.flink.table.data.RowData>

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.table.data.RowData>

Overrides:

prepareSnapshotPreBarrier in class org.apache.flink.streaming.api.operators.AbstractStreamOperator<org.apache.flink.table.data.RowData>

Throws:

Exception

close

public void close()
           throws Exception

Specified by:

close in interface org.apache.flink.streaming.api.operators.StreamOperator<org.apache.flink.table.data.RowData>

Overrides:

close in class org.apache.flink.streaming.api.operators.AbstractStreamOperator<org.apache.flink.table.data.RowData>

Throws:

Exception