Package org.apache.flink.table.runtime.operators.window.tvf.operator

Class UnalignedWindowTableFunctionOperator

java.lang.Object

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

org.apache.flink.table.runtime.operators.TableStreamOperator<org.apache.flink.table.data.RowData>

org.apache.flink.table.runtime.operators.window.tvf.operator.WindowTableFunctionOperatorBase

org.apache.flink.table.runtime.operators.window.tvf.operator.UnalignedWindowTableFunctionOperator

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.Triggerable<org.apache.flink.table.data.RowData,TimeWindow>, org.apache.flink.streaming.api.operators.YieldingOperator<org.apache.flink.table.data.RowData>

public class UnalignedWindowTableFunctionOperator
extends WindowTableFunctionOperatorBase
implements org.apache.flink.streaming.api.operators.Triggerable<org.apache.flink.table.data.RowData,TimeWindow>

The operator for unaligned window table function.

See more details about aligned window and unaligned window in WindowAggOperator.

Note: The operator only applies for Window TVF with set semantics (e.g SESSION) instead of row semantics (e.g TUMBLE/HOP/CUMULATE).

This operator emits result at the end of window instead of per record.

This operator will not compact changelog records.

This operator will keep the original order of input records when outputting.

See Also:

• Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.flink.table.runtime.operators.TableStreamOperator

TableStreamOperator.ContextImpl

Field Summary

Fields inherited from class org.apache.flink.table.runtime.operators.window.tvf.operator.WindowTableFunctionOperatorBase

numNullRowTimeRecordsDropped, rowtimeIndex, shiftTimeZone, windowAssigner

Fields inherited from class org.apache.flink.table.runtime.operators.TableStreamOperator

ctx, currentWatermark

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
UnalignedWindowTableFunctionOperator(GroupWindowAssigner<TimeWindow> windowAssigner, org.apache.flink.api.common.typeutils.TypeSerializer<TimeWindow> windowSerializer, org.apache.flink.api.common.typeutils.TypeSerializer<org.apache.flink.table.data.RowData> inputSerializer, int rowtimeIndex, ZoneId shiftTimeZone)

Method Summary

Modifier and Type	Method	Description
void	close()
org.apache.flink.metrics.Counter	getNumLateRecordsDropped()
org.apache.flink.metrics.Gauge<Long>	getWatermarkLatency()
void	onEventTime(org.apache.flink.streaming.api.operators.InternalTimer<org.apache.flink.table.data.RowData,TimeWindow> timer)
void	onProcessingTime(org.apache.flink.streaming.api.operators.InternalTimer<org.apache.flink.table.data.RowData,TimeWindow> timer)
void	open()
void	processElement(org.apache.flink.streaming.runtime.streamrecord.StreamRecord<org.apache.flink.table.data.RowData> element)

Methods inherited from class org.apache.flink.table.runtime.operators.window.tvf.operator.WindowTableFunctionOperatorBase

collect, getNumNullRowTimeRecordsDropped

Methods inherited from class org.apache.flink.table.runtime.operators.TableStreamOperator

computeMemorySize, processWatermark, useSplittableTimers

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, prepareSnapshotPreBarrier, processLatencyMarker, processLatencyMarker1, processLatencyMarker2, processRecordAttributes, processRecordAttributes1, processRecordAttributes2, processWatermark, processWatermark1, processWatermark1, processWatermark2, processWatermark2, processWatermarkStatus, processWatermarkStatus, processWatermarkStatus1, processWatermarkStatus2, reportOrForwardLatencyMarker, setCurrentKey, setKeyContextElement1, setKeyContextElement2, setMailboxExecutor, setProcessingTimeService, setup, 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.api.common.state.CheckpointListener

notifyCheckpointAborted, notifyCheckpointComplete

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

processLatencyMarker, processRecordAttributes, processWatermark, 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, prepareSnapshotPreBarrier, setKeyContextElement1, setKeyContextElement2, snapshotState

Constructor Details

UnalignedWindowTableFunctionOperator

public UnalignedWindowTableFunctionOperator(GroupWindowAssigner<TimeWindow> windowAssigner,
 org.apache.flink.api.common.typeutils.TypeSerializer<TimeWindow> windowSerializer,
 org.apache.flink.api.common.typeutils.TypeSerializer<org.apache.flink.table.data.RowData> inputSerializer,
 int rowtimeIndex,
 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 WindowTableFunctionOperatorBase

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 WindowTableFunctionOperatorBase

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

onEventTime

public void onEventTime(org.apache.flink.streaming.api.operators.InternalTimer<org.apache.flink.table.data.RowData,TimeWindow> timer)
                 throws Exception

Specified by:

onEventTime in interface org.apache.flink.streaming.api.operators.Triggerable<org.apache.flink.table.data.RowData,TimeWindow>

Throws:

Exception

onProcessingTime

public void onProcessingTime(org.apache.flink.streaming.api.operators.InternalTimer<org.apache.flink.table.data.RowData,TimeWindow> timer)
                      throws Exception

Specified by:

onProcessingTime in interface org.apache.flink.streaming.api.operators.Triggerable<org.apache.flink.table.data.RowData,TimeWindow>

Throws:

Exception

getNumLateRecordsDropped

@VisibleForTesting
public org.apache.flink.metrics.Counter getNumLateRecordsDropped()

getWatermarkLatency

@VisibleForTesting
public org.apache.flink.metrics.Gauge<Long> getWatermarkLatency()