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

类 AbstractPythonStreamGroupAggregateOperator

java.lang.Object

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

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

org.apache.flink.table.runtime.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.AbstractPythonStreamGroupAggregateOperator

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.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<org.apache.flink.table.data.RowData,org.apache.flink.runtime.state.VoidNamespace>, org.apache.flink.table.runtime.functions.CleanupState

直接已知子类:

PythonStreamGroupAggregateOperator, PythonStreamGroupTableAggregateOperator

@Internal
public abstract class AbstractPythonStreamGroupAggregateOperator
extends AbstractPythonStreamAggregateOperator
implements org.apache.flink.streaming.api.operators.Triggerable<org.apache.flink.table.data.RowData,org.apache.flink.runtime.state.VoidNamespace>, org.apache.flink.table.runtime.functions.CleanupState

Base class for PythonStreamGroupAggregateOperator and PythonStreamGroupTableAggregateOperator.

另请参阅:

序列化表格

字段概要

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

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

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

config, elementCount, jobOptions, maxBundleSize, pythonConfig, pythonFunctionRunner

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

chainingStrategy, latencyStats, LOG, metrics, output, processingTimeService

构造器概要

构造器

构造器和说明

AbstractPythonStreamGroupAggregateOperator(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, long minRetentionTime, long maxRetentionTime)

方法概要

限定符和类型	方法和说明
org.apache.flink.table.types.logical.RowType	createUserDefinedFunctionInputType()
org.apache.flink.table.types.logical.RowType	createUserDefinedFunctionOutputType()
void	emitResult(org.apache.flink.api.java.tuple.Tuple2<byte[],Integer> resultTuple) Sends the execution result to the downstream operator.
protected FlinkFnApi.UserDefinedAggregateFunctions	getUserDefinedFunctionsProto() Gets the proto representation of the Python user-defined aggregate functions to be executed.
void	onEventTime(org.apache.flink.streaming.api.operators.InternalTimer<org.apache.flink.table.data.RowData,org.apache.flink.runtime.state.VoidNamespace> timer) Invoked when an event-time timer fires.
void	onProcessingTime(org.apache.flink.streaming.api.operators.InternalTimer<org.apache.flink.table.data.RowData,org.apache.flink.runtime.state.VoidNamespace> timer) Invoked when a processing-time timer fires.
void	open()
void	processElementInternal(org.apache.flink.table.data.RowData value)

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

createInputCoderInfoDescriptor, createOutputCoderInfoDescriptor, createPythonFunctionRunner, getCurrentKey, getFunctionUrn, getKeyType, getPythonEnv, processElement, setCurrentKey

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.AbstractPythonFunctionOperator

checkInvokeFinishBundleByCount, close, createPythonEnvironmentManager, emitResults, finish, getConfiguration, getFlinkMetricContainer, invokeFinishBundle, isBundleFinished, prepareSnapshotPreBarrier, processWatermark, setConfiguration

从类继承的方法 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, processWatermarkStatus, processWatermarkStatus1, processWatermarkStatus2, reportOrForwardLatencyMarker, setChainingStrategy, setKeyContextElement1, setKeyContextElement2, setProcessingTimeService, setup, snapshotState, snapshotState

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.table.runtime.functions.CleanupState

registerProcessingCleanupTimer

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

close, finish, getMetricGroup, 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.Input

processLatencyMarker, processWatermark, processWatermarkStatus

构造器详细资料

AbstractPythonStreamGroupAggregateOperator

public AbstractPythonStreamGroupAggregateOperator(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,
                                                  long minRetentionTime,
                                                  long maxRetentionTime)

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 AbstractPythonStreamAggregateOperator

抛出:

Exception

onEventTime

public void onEventTime(org.apache.flink.streaming.api.operators.InternalTimer<org.apache.flink.table.data.RowData,org.apache.flink.runtime.state.VoidNamespace> timer)

Invoked when an event-time timer fires.

指定者:

onEventTime 在接口中 org.apache.flink.streaming.api.operators.Triggerable<org.apache.flink.table.data.RowData,org.apache.flink.runtime.state.VoidNamespace>

onProcessingTime

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

Invoked when a processing-time timer fires.

指定者:

onProcessingTime 在接口中 org.apache.flink.streaming.api.operators.Triggerable<org.apache.flink.table.data.RowData,org.apache.flink.runtime.state.VoidNamespace>

抛出:

Exception

processElementInternal

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

指定者:

processElementInternal 在类中 AbstractPythonStreamAggregateOperator

抛出:

Exception

emitResult

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

从类复制的说明: AbstractPythonFunctionOperator

Sends the execution result to the downstream operator.

指定者:

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

抛出:

Exception

createUserDefinedFunctionInputType

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

指定者:

createUserDefinedFunctionInputType 在类中 AbstractPythonStreamAggregateOperator

createUserDefinedFunctionOutputType

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

指定者:

createUserDefinedFunctionOutputType 在类中 AbstractPythonStreamAggregateOperator

getUserDefinedFunctionsProto

protected FlinkFnApi.UserDefinedAggregateFunctions getUserDefinedFunctionsProto()

从类复制的说明: AbstractPythonStreamAggregateOperator

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

覆盖:

getUserDefinedFunctionsProto 在类中 AbstractPythonStreamAggregateOperator