AbstractPythonFunctionOperator (Flink : Python 1.20.0 API)

java.lang.Object
- org.apache.flink.streaming.api.operators.AbstractStreamOperator<OUT>
- - org.apache.flink.streaming.api.operators.python.AbstractPythonFunctionOperator<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:

AbstractEmbeddedPythonFunctionOperator, AbstractExternalPythonFunctionOperator, DelegateOperatorTransformation.DelegateOperator
```
@Internal
public abstract class AbstractPythonFunctionOperator<OUT>
extends org.apache.flink.streaming.api.operators.AbstractStreamOperator<OUT>
```
Base class for all stream operators to execute Python functions.

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 Runnable`	`bundleFinishedCallback` Callback to be executed after the current bundle was finished.
`protected org.apache.flink.configuration.Configuration`	`config`
`protected int`	`elementCount` Number of processed elements in the current bundle.
`protected long`	`lastFinishBundleTime` Time that the last bundle was finished.
`protected int`	`maxBundleSize` Max number of elements to include in a bundle.
`protected boolean`	`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

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

构造器
构造器和说明
`AbstractPythonFunctionOperator(org.apache.flink.configuration.Configuration config)`

方法概要

所有方法实例方法抽象方法具体方法
限定符和类型	方法和说明
`protected void`	`checkInvokeFinishBundleByCount()` Checks whether to invoke finishBundle by elements count.
`void`	`close()`
`protected abstract PythonEnvironmentManager`	`createPythonEnvironmentManager()`
`void`	`finish()`
`org.apache.flink.configuration.Configuration`	`getConfiguration()` Returns the `Configuration`.
`protected FlinkMetricContainer`	`getFlinkMetricContainer()`
`protected abstract void`	`invokeFinishBundle()`
`boolean`	`isBundleFinished()` Returns whether the bundle is finished.
`void`	`open()`
`void`	`prepareSnapshotPreBarrier(long checkpointId)`
`void`	`processWatermark(org.apache.flink.streaming.api.watermark.Watermark mark)`
`void`	`setCurrentKey(Object key)`

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
  - config
```
protected final org.apache.flink.configuration.Configuration config
```
  - systemEnvEnabled
```
protected transient boolean systemEnvEnabled
```
  - maxBundleSize
```
protected transient int maxBundleSize
```
    Max number of elements to include in a bundle.
  - elementCount
```
protected transient int elementCount
```
    Number of processed elements in the current bundle.
  - lastFinishBundleTime
```
protected transient long lastFinishBundleTime
```
    Time that the last bundle was finished.
  - bundleFinishedCallback
```
protected transient Runnable bundleFinishedCallback
```
    Callback to be executed after the current bundle was finished.
- 构造器详细资料
  - AbstractPythonFunctionOperator
```
public AbstractPythonFunctionOperator(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 org.apache.flink.streaming.api.operators.AbstractStreamOperator<OUT>
    
    抛出:
    
    Exception
  - finish
```
public void finish()
            throws Exception
```
    指定者:
    
    finish 在接口中 org.apache.flink.streaming.api.operators.StreamOperator<OUT>
    
    覆盖:
    
    finish 在类中 org.apache.flink.streaming.api.operators.AbstractStreamOperator<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 org.apache.flink.streaming.api.operators.AbstractStreamOperator<OUT>
    
    抛出:
    
    Exception
  - prepareSnapshotPreBarrier
```
public void prepareSnapshotPreBarrier(long checkpointId)
                               throws Exception
```
    指定者:
    
    prepareSnapshotPreBarrier 在接口中 org.apache.flink.streaming.api.operators.StreamOperator<OUT>
    
    覆盖:
    
    prepareSnapshotPreBarrier 在类中 org.apache.flink.streaming.api.operators.AbstractStreamOperator<OUT>
    
    抛出:
    
    Exception
  - processWatermark
```
public void processWatermark(org.apache.flink.streaming.api.watermark.Watermark mark)
                      throws Exception
```
    覆盖:
    
    processWatermark 在类中 org.apache.flink.streaming.api.operators.AbstractStreamOperator<OUT>
    
    抛出:
    
    Exception
  - setCurrentKey
```
public void setCurrentKey(Object key)
```
    指定者:
    
    setCurrentKey 在接口中 org.apache.flink.streaming.api.operators.KeyContext
    
    覆盖:
    
    setCurrentKey 在类中 org.apache.flink.streaming.api.operators.AbstractStreamOperator<OUT>
  - isBundleFinished
```
public boolean isBundleFinished()
```
    Returns whether the bundle is finished.
  - getConfiguration
```
public org.apache.flink.configuration.Configuration getConfiguration()
```
    Returns the Configuration.
  - invokeFinishBundle
```
protected abstract void invokeFinishBundle()
                                    throws Exception
```
    抛出:
    
    Exception
  - createPythonEnvironmentManager
```
protected abstract PythonEnvironmentManager createPythonEnvironmentManager()
```
  - checkInvokeFinishBundleByCount
```
protected void checkInvokeFinishBundleByCount()
                                       throws Exception
```
    Checks whether to invoke finishBundle by elements count. Called in processElement.
    
    抛出:
    
    Exception
  - getFlinkMetricContainer
```
protected FlinkMetricContainer getFlinkMetricContainer()
```

类 AbstractPythonFunctionOperator<OUT>

字段概要

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

构造器概要

方法概要

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

从类继承的方法 java.lang.Object

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

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

字段详细资料

config

systemEnvEnabled

maxBundleSize

elementCount

lastFinishBundleTime

bundleFinishedCallback

构造器详细资料

AbstractPythonFunctionOperator

方法详细资料

open

finish

close

prepareSnapshotPreBarrier

processWatermark

setCurrentKey

isBundleFinished

getConfiguration

invokeFinishBundle

createPythonEnvironmentManager

checkInvokeFinishBundleByCount

getFlinkMetricContainer