org.apache.flink.iteration.operator

类 AbstractWrapperOperator<T>

java.lang.Object

org.apache.flink.iteration.operator.AbstractWrapperOperator<T>

所有已实现的接口:

Serializable, org.apache.flink.api.common.state.CheckpointListener, OperatorEpochWatermarkTrackerListener, org.apache.flink.streaming.api.operators.BoundedMultiInput, org.apache.flink.streaming.api.operators.KeyContext, org.apache.flink.streaming.api.operators.StreamOperator<IterationRecord<T>>

直接已知子类:

AbstractAllRoundWrapperOperator, AbstractPerRoundWrapperOperator

public abstract class AbstractWrapperOperator<T>
extends Object
implements org.apache.flink.streaming.api.operators.StreamOperator<IterationRecord<T>>, OperatorEpochWatermarkTrackerListener, org.apache.flink.streaming.api.operators.BoundedMultiInput

The base class of all the wrapper operators. It provides the alignment functionality.

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 org.apache.flink.streaming.runtime.tasks.StreamTask<?,?>	containingTask
protected org.apache.flink.iteration.operator.AbstractWrapperOperator.EpochSupplier	epochWatermarkSupplier
protected OperatorEpochWatermarkTracker	epochWatermarkTracker
protected BroadcastOutput<IterationRecord<T>>	eventBroadcastOutput
protected org.apache.flink.iteration.operator.AbstractWrapperOperator.IterationContext	iterationContext
protected org.apache.flink.runtime.metrics.groups.InternalOperatorMetricGroup	metrics Metric group for the operator.
protected org.apache.flink.streaming.api.operators.StreamOperatorFactory<T>	operatorFactory
protected org.apache.flink.streaming.api.operators.Output<org.apache.flink.streaming.runtime.streamrecord.StreamRecord<IterationRecord<T>>>	output
protected org.apache.flink.streaming.api.operators.StreamOperatorParameters<IterationRecord<T>>	parameters
protected ProxyOutput<T>	proxyOutput
protected org.apache.flink.streaming.api.graph.StreamConfig	streamConfig
protected String	uniqueSenderId

构造器概要

构造器

构造器和说明
AbstractWrapperOperator(org.apache.flink.streaming.api.operators.StreamOperatorParameters<IterationRecord<T>> parameters, org.apache.flink.streaming.api.operators.StreamOperatorFactory<T> operatorFactory)

方法概要

限定符和类型	方法和说明
protected void	clearIterationContextRound()
void	endInput(int i)
protected void	notifyEpochWatermarkIncrement(IterationListener<?> listener, int epochWatermark)
protected void	onEpochWatermarkEvent(int inputIndex, IterationRecord<?> iterationRecord)
void	onEpochWatermarkIncrement(int epochWatermark) Notifies a new round is aligned to a new epoch watermark.
protected void	setIterationContextRound(Integer contextRound)

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

close, finish, getMetricGroup, getOperatorID, initializeState, open, 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

字段详细资料

parameters

protected final org.apache.flink.streaming.api.operators.StreamOperatorParameters<IterationRecord<T>> parameters

streamConfig

protected final org.apache.flink.streaming.api.graph.StreamConfig streamConfig

containingTask

protected final org.apache.flink.streaming.runtime.tasks.StreamTask<?,?> containingTask

output

protected final org.apache.flink.streaming.api.operators.Output<org.apache.flink.streaming.runtime.streamrecord.StreamRecord<IterationRecord<T>>> output

operatorFactory

protected final org.apache.flink.streaming.api.operators.StreamOperatorFactory<T> operatorFactory

iterationContext

protected final org.apache.flink.iteration.operator.AbstractWrapperOperator.IterationContext iterationContext

proxyOutput

protected final ProxyOutput<T> proxyOutput

epochWatermarkSupplier

protected final org.apache.flink.iteration.operator.AbstractWrapperOperator.EpochSupplier epochWatermarkSupplier

metrics

protected final org.apache.flink.runtime.metrics.groups.InternalOperatorMetricGroup metrics

Metric group for the operator.

epochWatermarkTracker

protected final OperatorEpochWatermarkTracker epochWatermarkTracker

uniqueSenderId

protected final String uniqueSenderId

eventBroadcastOutput

protected final BroadcastOutput<IterationRecord<T>> eventBroadcastOutput

构造器详细资料

AbstractWrapperOperator

public AbstractWrapperOperator(org.apache.flink.streaming.api.operators.StreamOperatorParameters<IterationRecord<T>> parameters,
                               org.apache.flink.streaming.api.operators.StreamOperatorFactory<T> operatorFactory)

方法详细资料

onEpochWatermarkEvent

protected void onEpochWatermarkEvent(int inputIndex,
                                     IterationRecord<?> iterationRecord)
                              throws IOException

抛出:

IOException

notifyEpochWatermarkIncrement

protected void notifyEpochWatermarkIncrement(IterationListener<?> listener,
                                             int epochWatermark)
                                      throws Exception

抛出:

Exception

onEpochWatermarkIncrement

public void onEpochWatermarkIncrement(int epochWatermark)
                               throws IOException

从接口复制的说明: OperatorEpochWatermarkTrackerListener

Notifies a new round is aligned to a new epoch watermark.

指定者:

onEpochWatermarkIncrement 在接口中 OperatorEpochWatermarkTrackerListener

参数:

epochWatermark - The new epoch watermark.

抛出:

IOException

setIterationContextRound

protected void setIterationContextRound(Integer contextRound)

clearIterationContextRound

protected void clearIterationContextRound()

endInput

public void endInput(int i)
              throws Exception

指定者:

endInput 在接口中 org.apache.flink.streaming.api.operators.BoundedMultiInput

抛出:

Exception