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

类 AbstractExternalPythonFunctionOperator<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.process.AbstractExternalPythonFunctionOperator<OUT>

所有已实现的接口:

Serializable, org.apache.flink.api.common.state.CheckpointListener, org.apache.flink.streaming.api.operators.KeyContext, org.apache.flink.streaming.api.operators.KeyContextHandler, 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.YieldingOperator<OUT>

直接已知子类:

AbstractExternalDataStreamPythonFunctionOperator, AbstractOneInputPythonFunctionOperator

@Internal
public abstract class AbstractExternalPythonFunctionOperator<OUT>
extends AbstractPythonFunctionOperator<OUT>

Abstract class for all stream operators to execute Python functions in external environment.

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 PythonFunctionRunner	pythonFunctionRunner The PythonFunctionRunner which is responsible for Python user-defined function execution.

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
AbstractExternalPythonFunctionOperator(org.apache.flink.configuration.Configuration config)

方法概要

限定符和类型	方法和说明
void	close()
protected ProcessPythonEnvironmentManager	createPythonEnvironmentManager()
abstract PythonFunctionRunner	createPythonFunctionRunner() Creates the PythonFunctionRunner which is responsible for Python user-defined function execution.
abstract void	emitResult(org.apache.flink.api.java.tuple.Tuple3<String,byte[],Integer> resultTuple) Sends the execution result to the downstream operator.
protected void	emitResults()
abstract org.apache.flink.table.functions.python.PythonEnv	getPythonEnv() Returns the PythonEnv used to create PythonEnvironmentManager..
protected void	invokeFinishBundle()
void	open()

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.StreamOperator

getOperatorAttributes

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

hasKeyContext

字段详细资料

pythonFunctionRunner

protected transient PythonFunctionRunner pythonFunctionRunner

The PythonFunctionRunner which is responsible for Python user-defined function execution.

构造器详细资料

AbstractExternalPythonFunctionOperator

public AbstractExternalPythonFunctionOperator(org.apache.flink.configuration.Configuration config)

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 AbstractPythonFunctionOperator<OUT>

抛出:

Exception

close

public void close()
           throws Exception

指定者:

close 在接口中 org.apache.flink.streaming.api.operators.StreamOperator<OUT>

覆盖:

close 在类中 AbstractPythonFunctionOperator<OUT>

抛出:

Exception

invokeFinishBundle

protected void invokeFinishBundle()
                           throws Exception

指定者:

invokeFinishBundle 在类中 AbstractPythonFunctionOperator<OUT>

抛出:

Exception

createPythonEnvironmentManager

protected ProcessPythonEnvironmentManager createPythonEnvironmentManager()

指定者:

createPythonEnvironmentManager 在类中 AbstractPythonFunctionOperator<OUT>

emitResults

protected void emitResults()
                    throws Exception

抛出:

Exception

getPythonEnv

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

Returns the PythonEnv used to create PythonEnvironmentManager..

emitResult

public abstract void emitResult(org.apache.flink.api.java.tuple.Tuple3<String,byte[],Integer> resultTuple)
                         throws Exception

Sends the execution result to the downstream operator.

抛出:

Exception

createPythonFunctionRunner

public abstract PythonFunctionRunner createPythonFunctionRunner()
                                                         throws Exception

Creates the PythonFunctionRunner which is responsible for Python user-defined function execution.

抛出:

Exception