org.apache.flink.streaming.api.operators.python.embedded

类 EmbeddedPythonKeyedCoProcessOperator<K,IN1,IN2,OUT>

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.embedded.AbstractEmbeddedPythonFunctionOperator<OUT>

org.apache.flink.streaming.api.operators.python.embedded.AbstractEmbeddedDataStreamPythonFunctionOperator<OUT>

org.apache.flink.streaming.api.operators.python.embedded.AbstractTwoInputEmbeddedPythonFunctionOperator<IN1,IN2,OUT>

org.apache.flink.streaming.api.operators.python.embedded.EmbeddedPythonKeyedCoProcessOperator<K,IN1,IN2,OUT>

所有已实现的接口:

Serializable, org.apache.flink.api.common.state.CheckpointListener, org.apache.flink.api.java.typeutils.ResultTypeQueryable<OUT>, org.apache.flink.streaming.api.operators.BoundedMultiInput, org.apache.flink.streaming.api.operators.KeyContext, org.apache.flink.streaming.api.operators.KeyContextHandler, DataStreamPythonFunctionOperator<OUT>, org.apache.flink.streaming.api.operators.SetupableStreamOperator<OUT>, org.apache.flink.streaming.api.operators.StreamOperator<OUT>, org.apache.flink.streaming.api.operators.StreamOperatorStateHandler.CheckpointedStreamOperator, org.apache.flink.streaming.api.operators.Triggerable<K,org.apache.flink.runtime.state.VoidNamespace>, org.apache.flink.streaming.api.operators.TwoInputStreamOperator<IN1,IN2,OUT>, org.apache.flink.streaming.api.operators.YieldingOperator<OUT>

直接已知子类:

EmbeddedPythonBatchKeyedCoBroadcastProcessOperator

@Internal
public class EmbeddedPythonKeyedCoProcessOperator<K,IN1,IN2,OUT>
extends AbstractTwoInputEmbeddedPythonFunctionOperator<IN1,IN2,OUT>
implements org.apache.flink.streaming.api.operators.Triggerable<K,org.apache.flink.runtime.state.VoidNamespace>

EmbeddedPythonKeyedCoProcessOperator is responsible for executing user defined python KeyedCoProcessFunction in embedded Python environment. It is also able to handle the timer and state request from the python stateful user defined function.

另请参阅:

序列化表格

字段概要

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

timestamp

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

collector, hasSideOutput, outputTypeInfo, sideOutputContext

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

interpreter

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
EmbeddedPythonKeyedCoProcessOperator(org.apache.flink.configuration.Configuration config, DataStreamPythonFunctionInfo pythonFunctionInfo, org.apache.flink.api.common.typeinfo.TypeInformation<IN1> inputTypeInfo1, org.apache.flink.api.common.typeinfo.TypeInformation<IN2> inputTypeInfo2, org.apache.flink.api.common.typeinfo.TypeInformation<OUT> outputTypeInfo)

方法概要

限定符和类型	方法和说明
<T> AbstractEmbeddedDataStreamPythonFunctionOperator<T>	copy(DataStreamPythonFunctionInfo pythonFunctionInfo, org.apache.flink.api.common.typeinfo.TypeInformation<T> outputTypeInfo) Make a copy of the DataStreamPythonFunctionOperator with the given pythonFunctionInfo and outputTypeInfo.
List<FlinkFnApi.UserDefinedDataStreamFunction>	createUserDefinedFunctionsProto() Gets the proto representation of the Python user-defined functions to be executed.
Object	getFunctionContext() Gets The function context.
Object	getTimerContext() Gets The Timer context.
void	onEventTime(org.apache.flink.streaming.api.operators.InternalTimer<K,org.apache.flink.runtime.state.VoidNamespace> timer)
void	onProcessingTime(org.apache.flink.streaming.api.operators.InternalTimer<K,org.apache.flink.runtime.state.VoidNamespace> timer)
void	open()

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

close, endInput, openPythonInterpreter, processElement1, processElement2

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

addSideOutputTags, getJobParameters, getProducedType, getPythonFunctionInfo, getSideOutputTags, setNumPartitions

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

createPythonEnvironmentManager, invokeFinishBundle

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

checkInvokeFinishBundleByCount, finish, getConfiguration, getFlinkMetricContainer, isBundleFinished, 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.TwoInputStreamOperator

processLatencyMarker1, processLatencyMarker2, processRecordAttributes1, processRecordAttributes2, processWatermark1, processWatermark2, processWatermarkStatus1, processWatermarkStatus2

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.KeyContextHandler

hasKeyContext

构造器详细资料

EmbeddedPythonKeyedCoProcessOperator

public EmbeddedPythonKeyedCoProcessOperator(org.apache.flink.configuration.Configuration config,
                                            DataStreamPythonFunctionInfo pythonFunctionInfo,
                                            org.apache.flink.api.common.typeinfo.TypeInformation<IN1> inputTypeInfo1,
                                            org.apache.flink.api.common.typeinfo.TypeInformation<IN2> inputTypeInfo2,
                                            org.apache.flink.api.common.typeinfo.TypeInformation<OUT> outputTypeInfo)

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<OUT>

覆盖:

open 在类中 AbstractTwoInputEmbeddedPythonFunctionOperator<IN1,IN2,OUT>

抛出:

Exception

createUserDefinedFunctionsProto

public List<FlinkFnApi.UserDefinedDataStreamFunction> createUserDefinedFunctionsProto()

从类复制的说明: AbstractTwoInputEmbeddedPythonFunctionOperator

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

指定者:

createUserDefinedFunctionsProto 在类中 AbstractTwoInputEmbeddedPythonFunctionOperator<IN1,IN2,OUT>

onEventTime

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

指定者:

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

抛出:

Exception

onProcessingTime

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

指定者:

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

抛出:

Exception

getFunctionContext

public Object getFunctionContext()

从类复制的说明: AbstractTwoInputEmbeddedPythonFunctionOperator

Gets The function context.

指定者:

getFunctionContext 在类中 AbstractTwoInputEmbeddedPythonFunctionOperator<IN1,IN2,OUT>

getTimerContext

public Object getTimerContext()

从类复制的说明: AbstractTwoInputEmbeddedPythonFunctionOperator

Gets The Timer context.

指定者:

getTimerContext 在类中 AbstractTwoInputEmbeddedPythonFunctionOperator<IN1,IN2,OUT>

copy

public <T> AbstractEmbeddedDataStreamPythonFunctionOperator<T> copy(DataStreamPythonFunctionInfo pythonFunctionInfo,
                                                                    org.apache.flink.api.common.typeinfo.TypeInformation<T> outputTypeInfo)

从接口复制的说明: DataStreamPythonFunctionOperator

Make a copy of the DataStreamPythonFunctionOperator with the given pythonFunctionInfo and outputTypeInfo. This is used for chaining optimization which may need to update the underlying pythonFunctionInfo and outputTypeInfo with the other fields not changed.

指定者:

copy 在接口中 DataStreamPythonFunctionOperator<OUT>