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

类 AbstractArrowPythonAggregateFunctionOperator

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.process.AbstractExternalPythonFunctionOperator<OUT>

org.apache.flink.table.runtime.operators.python.AbstractOneInputPythonFunctionOperator<IN,OUT>

org.apache.flink.table.runtime.operators.python.AbstractStatelessFunctionOperator<org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData>

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

所有已实现的接口:

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.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.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.YieldingOperator<org.apache.flink.table.data.RowData>

直接已知子类:

AbstractStreamArrowPythonOverWindowAggregateFunctionOperator, BatchArrowPythonGroupAggregateFunctionOperator, BatchArrowPythonGroupWindowAggregateFunctionOperator, BatchArrowPythonOverWindowAggregateFunctionOperator, StreamArrowPythonGroupWindowAggregateFunctionOperator

@Internal
public abstract class AbstractArrowPythonAggregateFunctionOperator
extends AbstractStatelessFunctionOperator<org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData>

The Abstract class of Arrow Aggregate Operator for Pandas AggregateFunction.

另请参阅:

序列化表格

字段概要

字段

限定符和类型	字段和说明
protected ArrowSerializer	arrowSerializer
protected int	currentBatchCount The current number of elements to be included in an arrow batch.
protected org.apache.flink.table.functions.python.PythonFunctionInfo[]	pandasAggFunctions The Pandas AggregateFunctions to be executed.
protected org.apache.flink.table.data.utils.JoinedRowData	reuseJoinedRow The JoinedRowData reused holding the execution result.
protected StreamRecordRowDataWrappingCollector	rowDataWrapper The collector used to collect records.

从类继承的字段 org.apache.flink.table.runtime.operators.python.AbstractStatelessFunctionOperator

bais, baisWrapper, baos, baosWrapper, forwardedInputQueue, inputType, udfInputType, udfOutputType

从类继承的字段 org.apache.flink.streaming.api.operators.python.process.AbstractExternalPythonFunctionOperator

pythonFunctionRunner

从类继承的字段 org.apache.flink.streaming.api.operators.python.AbstractPythonFunctionOperator

bundleFinishedCallback, config, elementCount, lastFinishBundleTime, maxBundleSize, systemEnvEnabled

从类继承的字段 org.apache.flink.streaming.api.operators.AbstractStreamOperator

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

构造器概要

构造器

构造器和说明

AbstractArrowPythonAggregateFunctionOperator(org.apache.flink.configuration.Configuration config, org.apache.flink.table.functions.python.PythonFunctionInfo[] pandasAggFunctions, org.apache.flink.table.types.logical.RowType inputType, org.apache.flink.table.types.logical.RowType udfInputType, org.apache.flink.table.types.logical.RowType udfOutputType, org.apache.flink.table.runtime.generated.GeneratedProjection udafInputGeneratedProjection)

方法概要

限定符和类型	方法和说明
void	close()
FlinkFnApi.CoderInfoDescriptor	createInputCoderInfoDescriptor(org.apache.flink.table.types.logical.RowType runnerInputType)
FlinkFnApi.CoderInfoDescriptor	createOutputCoderInfoDescriptor(org.apache.flink.table.types.logical.RowType runnerOutType)
FlinkFnApi.UserDefinedFunctions	createUserDefinedFunctionsProto() Gets the proto representation of the Python user-defined functions to be executed.
org.apache.flink.table.data.RowData	getFunctionInput(org.apache.flink.table.data.RowData element)
String	getFunctionUrn()
org.apache.flink.table.functions.python.PythonEnv	getPythonEnv() Returns the PythonEnv used to create PythonEnvironmentManager..
boolean	isBundleFinished() Returns whether the bundle is finished.
void	open()
void	processElement(org.apache.flink.streaming.runtime.streamrecord.StreamRecord<org.apache.flink.table.data.RowData> element)

从类继承的方法 org.apache.flink.table.runtime.operators.python.AbstractStatelessFunctionOperator

bufferInput, createPythonFunctionRunner, processElementInternal

从类继承的方法 org.apache.flink.table.runtime.operators.python.AbstractOneInputPythonFunctionOperator

endInput

从类继承的方法 org.apache.flink.streaming.api.operators.python.process.AbstractExternalPythonFunctionOperator

createPythonEnvironmentManager, emitResult, emitResults, invokeFinishBundle

从类继承的方法 org.apache.flink.streaming.api.operators.python.AbstractPythonFunctionOperator

checkInvokeFinishBundleByCount, finish, getConfiguration, getFlinkMetricContainer, prepareSnapshotPreBarrier, processWatermark, setCurrentKey

从类继承的方法 org.apache.flink.streaming.api.operators.AbstractStreamOperator

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, setKeyContextElement1, setKeyContextElement2, setMailboxExecutor, setProcessingTimeService, setup, snapshotState, snapshotState, useSplittableTimers

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

从接口继承的方法 org.apache.flink.streaming.api.operators.OneInputStreamOperator

setKeyContextElement

从接口继承的方法 org.apache.flink.streaming.api.operators.StreamOperator

finish, getMetricGroup, getOperatorAttributes, getOperatorID, initializeState, prepareSnapshotPreBarrier, setKeyContextElement1, setKeyContextElement2, snapshotState

从接口继承的方法 org.apache.flink.api.common.state.CheckpointListener

notifyCheckpointAborted, notifyCheckpointComplete

从接口继承的方法 org.apache.flink.streaming.api.operators.KeyContext

getCurrentKey, setCurrentKey

从接口继承的方法 org.apache.flink.streaming.api.operators.Input

processLatencyMarker, processRecordAttributes, processWatermark, processWatermarkStatus

从接口继承的方法 org.apache.flink.streaming.api.operators.KeyContextHandler

hasKeyContext

字段详细资料

pandasAggFunctions

protected final org.apache.flink.table.functions.python.PythonFunctionInfo[] pandasAggFunctions

The Pandas AggregateFunctions to be executed.

arrowSerializer

protected transient ArrowSerializer arrowSerializer

rowDataWrapper

protected transient StreamRecordRowDataWrappingCollector rowDataWrapper

The collector used to collect records.

reuseJoinedRow

protected transient org.apache.flink.table.data.utils.JoinedRowData reuseJoinedRow

The JoinedRowData reused holding the execution result.

currentBatchCount

protected transient int currentBatchCount

The current number of elements to be included in an arrow batch.

构造器详细资料

AbstractArrowPythonAggregateFunctionOperator

public AbstractArrowPythonAggregateFunctionOperator(org.apache.flink.configuration.Configuration config,
                                                    org.apache.flink.table.functions.python.PythonFunctionInfo[] pandasAggFunctions,
                                                    org.apache.flink.table.types.logical.RowType inputType,
                                                    org.apache.flink.table.types.logical.RowType udfInputType,
                                                    org.apache.flink.table.types.logical.RowType udfOutputType,
                                                    org.apache.flink.table.runtime.generated.GeneratedProjection udafInputGeneratedProjection)

方法详细资料

open

public void open()
          throws Exception

指定者:

open 在接口中 org.apache.flink.streaming.api.operators.StreamOperator<org.apache.flink.table.data.RowData>

覆盖:

open 在类中 AbstractStatelessFunctionOperator<org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData>

抛出:

Exception

close

public void close()
           throws Exception

指定者:

close 在接口中 org.apache.flink.streaming.api.operators.StreamOperator<org.apache.flink.table.data.RowData>

覆盖:

close 在类中 AbstractExternalPythonFunctionOperator<org.apache.flink.table.data.RowData>

抛出:

Exception

processElement

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

指定者:

processElement 在接口中 org.apache.flink.streaming.api.operators.Input<org.apache.flink.table.data.RowData>

覆盖:

processElement 在类中 AbstractStatelessFunctionOperator<org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData>

抛出:

Exception

isBundleFinished

public boolean isBundleFinished()

从类复制的说明: AbstractPythonFunctionOperator

Returns whether the bundle is finished.

覆盖:

isBundleFinished 在类中 AbstractPythonFunctionOperator<org.apache.flink.table.data.RowData>

getPythonEnv

public org.apache.flink.table.functions.python.PythonEnv getPythonEnv()

从类复制的说明: AbstractExternalPythonFunctionOperator

Returns the PythonEnv used to create PythonEnvironmentManager..

指定者:

getPythonEnv 在类中 AbstractExternalPythonFunctionOperator<org.apache.flink.table.data.RowData>

getFunctionUrn

public String getFunctionUrn()

指定者:

getFunctionUrn 在类中 AbstractStatelessFunctionOperator<org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData>

createInputCoderInfoDescriptor

public FlinkFnApi.CoderInfoDescriptor createInputCoderInfoDescriptor(org.apache.flink.table.types.logical.RowType runnerInputType)

指定者:

createInputCoderInfoDescriptor 在类中 AbstractStatelessFunctionOperator<org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData>

createOutputCoderInfoDescriptor

public FlinkFnApi.CoderInfoDescriptor createOutputCoderInfoDescriptor(org.apache.flink.table.types.logical.RowType runnerOutType)

指定者:

createOutputCoderInfoDescriptor 在类中 AbstractStatelessFunctionOperator<org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData>

getFunctionInput

public org.apache.flink.table.data.RowData getFunctionInput(org.apache.flink.table.data.RowData element)

指定者:

getFunctionInput 在类中 AbstractStatelessFunctionOperator<org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData>

createUserDefinedFunctionsProto

public FlinkFnApi.UserDefinedFunctions createUserDefinedFunctionsProto()

从类复制的说明: AbstractStatelessFunctionOperator

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

指定者:

createUserDefinedFunctionsProto 在类中 AbstractStatelessFunctionOperator<org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData,org.apache.flink.table.data.RowData>