程序包 org.apache.flink.iteration.operator

类 ReplayOperator<T>

java.lang.Object

org.apache.flink.streaming.api.operators.AbstractStreamOperator<IterationRecord<T>>

org.apache.flink.iteration.operator.ReplayOperator<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.SetupableStreamOperator<IterationRecord<T>>, org.apache.flink.streaming.api.operators.StreamOperator<IterationRecord<T>>, org.apache.flink.streaming.api.operators.StreamOperatorStateHandler.CheckpointedStreamOperator, org.apache.flink.streaming.api.operators.TwoInputStreamOperator<IterationRecord<T>,IterationRecord<Void>,IterationRecord<T>>

public class ReplayOperator<T>
extends org.apache.flink.streaming.api.operators.AbstractStreamOperator<IterationRecord<T>>
implements org.apache.flink.streaming.api.operators.TwoInputStreamOperator<IterationRecord<T>,IterationRecord<Void>,IterationRecord<T>>, OperatorEpochWatermarkTrackerListener, org.apache.flink.streaming.api.operators.BoundedMultiInput

Replays the data received in the round 0 in the following round.

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.AbstractStreamOperator

chainingStrategy, config, latencyStats, LOG, metrics, output, processingTimeService

构造器概要

构造器

构造器	说明
ReplayOperator()

方法概要

修饰符和类型	方法	说明
void	endInput(int i)
void	initializeState(org.apache.flink.runtime.state.StateInitializationContext context)
void	onEpochWatermarkIncrement(int epochWatermark)	Notifies a new round is aligned to a new epoch watermark.
void	processElement1(org.apache.flink.streaming.runtime.streamrecord.StreamRecord<IterationRecord<T>> element)
void	processElement2(org.apache.flink.streaming.runtime.streamrecord.StreamRecord<IterationRecord<Void>> element)
void	setup(org.apache.flink.streaming.runtime.tasks.StreamTask<?,?> containingTask, org.apache.flink.streaming.api.graph.StreamConfig config, org.apache.flink.streaming.api.operators.Output<org.apache.flink.streaming.runtime.streamrecord.StreamRecord<IterationRecord<T>>> output)
void	snapshotState(org.apache.flink.runtime.state.StateSnapshotContext context)

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

close, finish, getChainingStrategy, getContainingTask, getCurrentKey, getExecutionConfig, getInternalTimerService, getKeyedStateBackend, getKeyedStateStore, getMetricGroup, getOperatorConfig, getOperatorID, getOperatorName, getOperatorStateBackend, getOrCreateKeyedState, getPartitionedState, getPartitionedState, getProcessingTimeService, getRuntimeContext, getTimeServiceManager, getUserCodeClassloader, initializeState, isUsingCustomRawKeyedState, notifyCheckpointAborted, notifyCheckpointComplete, open, prepareSnapshotPreBarrier, processLatencyMarker, processLatencyMarker1, processLatencyMarker2, processWatermark, processWatermark1, processWatermark2, processWatermarkStatus, processWatermarkStatus1, processWatermarkStatus2, reportOrForwardLatencyMarker, setChainingStrategy, setCurrentKey, setKeyContextElement1, setKeyContextElement2, setProcessingTimeService, 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.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.StreamOperator

close, finish, getMetricGroup, getOperatorID, initializeState, open, prepareSnapshotPreBarrier, setKeyContextElement1, setKeyContextElement2, snapshotState

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

processLatencyMarker1, processLatencyMarker2, processWatermark1, processWatermark2, processWatermarkStatus1, processWatermarkStatus2

构造器详细资料

ReplayOperator

public ReplayOperator()

方法详细资料

setup

public void setup(org.apache.flink.streaming.runtime.tasks.StreamTask<?,?> containingTask,
                  org.apache.flink.streaming.api.graph.StreamConfig config,
                  org.apache.flink.streaming.api.operators.Output<org.apache.flink.streaming.runtime.streamrecord.StreamRecord<IterationRecord<T>>> output)

指定者:

setup 在接口中 org.apache.flink.streaming.api.operators.SetupableStreamOperator<T>

覆盖:

setup 在类中 org.apache.flink.streaming.api.operators.AbstractStreamOperator<IterationRecord<T>>

initializeState

public void initializeState(org.apache.flink.runtime.state.StateInitializationContext context)
                     throws Exception

指定者:

initializeState 在接口中 org.apache.flink.streaming.api.operators.StreamOperatorStateHandler.CheckpointedStreamOperator

覆盖:

initializeState 在类中 org.apache.flink.streaming.api.operators.AbstractStreamOperator<IterationRecord<T>>

抛出:

Exception

snapshotState

public void snapshotState(org.apache.flink.runtime.state.StateSnapshotContext context)
                   throws Exception

指定者:

snapshotState 在接口中 org.apache.flink.streaming.api.operators.StreamOperatorStateHandler.CheckpointedStreamOperator

覆盖:

snapshotState 在类中 org.apache.flink.streaming.api.operators.AbstractStreamOperator<IterationRecord<T>>

抛出:

Exception

processElement1

public void processElement1(org.apache.flink.streaming.runtime.streamrecord.StreamRecord<IterationRecord<T>> element)
                     throws Exception

指定者:

processElement1 在接口中 org.apache.flink.streaming.api.operators.TwoInputStreamOperator<IterationRecord<T>,IterationRecord<Void>,IterationRecord<T>>

抛出:

Exception

processElement2

public void processElement2(org.apache.flink.streaming.runtime.streamrecord.StreamRecord<IterationRecord<Void>> element)
                     throws Exception

指定者:

processElement2 在接口中 org.apache.flink.streaming.api.operators.TwoInputStreamOperator<IterationRecord<T>,IterationRecord<Void>,IterationRecord<T>>

抛出:

Exception

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

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