org.apache.flink.table.runtime.operators.python.aggregate

Class PythonStreamGroupWindowAggregateOperator<K,W extends org.apache.flink.table.runtime.operators.window.Window>

java.lang.Object

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

org.apache.flink.streaming.api.operators.python.AbstractPythonFunctionOperator<OUT>

org.apache.flink.streaming.api.operators.python.AbstractOneInputPythonFunctionOperator<org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData>

org.apache.flink.table.runtime.operators.python.aggregate.AbstractPythonStreamAggregateOperator

org.apache.flink.table.runtime.operators.python.aggregate.PythonStreamGroupWindowAggregateOperator<K,W>

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<org.apache.flink.table.data.RowData>, org.apache.flink.streaming.api.operators.KeyContext, 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.SetupableStreamOperator<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<K,W>, org.apache.flink.util.Disposable

@Internal
public class PythonStreamGroupWindowAggregateOperator<K,W extends org.apache.flink.table.runtime.operators.window.Window>
extends AbstractPythonStreamAggregateOperator
implements org.apache.flink.streaming.api.operators.Triggerable<K,W>

The Python Group Window AggregateFunction operator for the blink planner.

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.flink.table.runtime.operators.python.aggregate.AbstractPythonStreamAggregateOperator

bais, baisWrapper, baos, baosWrapper, FLINK_AGGREGATE_FUNCTION_SCHEMA_CODER_URN, inputType, outputType, rowDataWrapper, userDefinedFunctionInputType, userDefinedFunctionOutputType

Fields inherited from class org.apache.flink.streaming.api.operators.python.AbstractPythonFunctionOperator

elementCount, maxBundleSize, pythonFunctionRunner

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

chainingStrategy, latencyStats, LOG, metrics, output, processingTimeService

Constructor Summary

Constructors

Constructor and Description

PythonStreamGroupWindowAggregateOperator(org.apache.flink.configuration.Configuration config, org.apache.flink.table.types.logical.RowType inputType, org.apache.flink.table.types.logical.RowType outputType, org.apache.flink.table.functions.python.PythonAggregateFunctionInfo[] aggregateFunctions, org.apache.flink.table.planner.typeutils.DataViewUtils.DataViewSpec[][] dataViewSpecs, int[] grouping, int indexOfCountStar, boolean generateUpdateBefore, boolean countStarInserted, int inputTimeFieldIndex, org.apache.flink.table.runtime.operators.window.assigners.WindowAssigner<W> windowAssigner, org.apache.flink.table.planner.plan.logical.LogicalWindow window, long allowedLateness, org.apache.flink.table.planner.expressions.PlannerNamedWindowProperty[] namedProperties, java.time.ZoneId shiftTimeZone)

Method Summary

Modifier and Type	Method and Description
void	emitResult(org.apache.flink.api.java.tuple.Tuple2<byte[],Integer> resultTuple) Sends the execution result to the downstream operator.
String	getFunctionUrn()
org.apache.flink.table.types.logical.RowType	getUserDefinedFunctionInputType()
org.apache.flink.table.types.logical.RowType	getUserDefinedFunctionOutputType()
protected FlinkFnApi.UserDefinedAggregateFunctions	getUserDefinedFunctionsProto() Gets the proto representation of the Python user-defined aggregate functions to be executed.
org.apache.flink.api.common.typeutils.TypeSerializer<W>	getWindowSerializer()
void	onEventTime(org.apache.flink.streaming.api.operators.InternalTimer<K,W> timer)
void	onProcessingTime(org.apache.flink.streaming.api.operators.InternalTimer<K,W> timer)
void	open()
void	processElementInternal(org.apache.flink.table.data.RowData value)

Methods inherited from class org.apache.flink.table.runtime.operators.python.aggregate.AbstractPythonStreamAggregateOperator

createPythonFunctionRunner, getCurrentKey, getKeyType, getPythonEnv, processElement, setCurrentKey

Methods inherited from class org.apache.flink.streaming.api.operators.python.AbstractOneInputPythonFunctionOperator

endInput

Methods inherited from class org.apache.flink.streaming.api.operators.python.AbstractPythonFunctionOperator

checkInvokeFinishBundleByCount, close, createPythonEnvironmentManager, dispose, emitResults, getConfig, getFlinkMetricContainer, getPythonConfig, invokeFinishBundle, isBundleFinished, prepareSnapshotPreBarrier, processWatermark, setPythonConfig

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

getChainingStrategy, getContainingTask, getExecutionConfig, getInternalTimerService, getKeyedStateBackend, getKeyedStateStore, getMetricGroup, getOperatorConfig, getOperatorID, getOperatorName, getOperatorStateBackend, getOrCreateKeyedState, getPartitionedState, getPartitionedState, getProcessingTimeService, getRuntimeContext, getTimeServiceManager, getUserCodeClassloader, initializeState, initializeState, isUsingCustomRawKeyedState, notifyCheckpointAborted, notifyCheckpointComplete, processLatencyMarker, processLatencyMarker1, processLatencyMarker2, processWatermark1, processWatermark2, reportOrForwardLatencyMarker, setChainingStrategy, setKeyContextElement1, setKeyContextElement2, 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.streaming.api.operators.OneInputStreamOperator

setKeyContextElement

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

close, dispose, 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.Input

processLatencyMarker, processWatermark

Constructor Detail

PythonStreamGroupWindowAggregateOperator

public PythonStreamGroupWindowAggregateOperator(org.apache.flink.configuration.Configuration config,
                                                org.apache.flink.table.types.logical.RowType inputType,
                                                org.apache.flink.table.types.logical.RowType outputType,
                                                org.apache.flink.table.functions.python.PythonAggregateFunctionInfo[] aggregateFunctions,
                                                org.apache.flink.table.planner.typeutils.DataViewUtils.DataViewSpec[][] dataViewSpecs,
                                                int[] grouping,
                                                int indexOfCountStar,
                                                boolean generateUpdateBefore,
                                                boolean countStarInserted,
                                                int inputTimeFieldIndex,
                                                org.apache.flink.table.runtime.operators.window.assigners.WindowAssigner<W> windowAssigner,
                                                org.apache.flink.table.planner.plan.logical.LogicalWindow window,
                                                long allowedLateness,
                                                org.apache.flink.table.planner.expressions.PlannerNamedWindowProperty[] namedProperties,
                                                java.time.ZoneId shiftTimeZone)

Method Detail

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 AbstractPythonStreamAggregateOperator

Throws:

Exception

processElementInternal

public void processElementInternal(org.apache.flink.table.data.RowData value)
                            throws Exception

Specified by:

processElementInternal in class AbstractPythonStreamAggregateOperator

Throws:

Exception

emitResult

public void emitResult(org.apache.flink.api.java.tuple.Tuple2<byte[],Integer> resultTuple)
                throws Exception

Description copied from class: AbstractPythonFunctionOperator

Sends the execution result to the downstream operator.

Specified by:

emitResult in class AbstractPythonFunctionOperator<org.apache.flink.table.data.RowData>

Throws:

Exception

getFunctionUrn

public String getFunctionUrn()

Specified by:

getFunctionUrn in class AbstractPythonStreamAggregateOperator

getUserDefinedFunctionInputType

public org.apache.flink.table.types.logical.RowType getUserDefinedFunctionInputType()

Specified by:

getUserDefinedFunctionInputType in class AbstractPythonStreamAggregateOperator

getUserDefinedFunctionOutputType

public org.apache.flink.table.types.logical.RowType getUserDefinedFunctionOutputType()

Specified by:

getUserDefinedFunctionOutputType in class AbstractPythonStreamAggregateOperator

getUserDefinedFunctionsProto

protected FlinkFnApi.UserDefinedAggregateFunctions getUserDefinedFunctionsProto()

Description copied from class: AbstractPythonStreamAggregateOperator

Gets the proto representation of the Python user-defined aggregate functions to be executed.

Overrides:

getUserDefinedFunctionsProto in class AbstractPythonStreamAggregateOperator

getWindowSerializer

public org.apache.flink.api.common.typeutils.TypeSerializer<W> getWindowSerializer()

onEventTime

public void onEventTime(org.apache.flink.streaming.api.operators.InternalTimer<K,W> timer)
                 throws Exception

Specified by:

onEventTime in interface org.apache.flink.streaming.api.operators.Triggerable<K,W extends org.apache.flink.table.runtime.operators.window.Window>

Throws:

Exception

onProcessingTime

public void onProcessingTime(org.apache.flink.streaming.api.operators.InternalTimer<K,W> timer)
                      throws Exception

Specified by:

onProcessingTime in interface org.apache.flink.streaming.api.operators.Triggerable<K,W extends org.apache.flink.table.runtime.operators.window.Window>

Throws:

Exception