org.apache.flink.streaming.runtime.tasks

类 FinishedOperatorChain<OUT,OP extends StreamOperator<OUT>>

java.lang.Object

org.apache.flink.streaming.runtime.tasks.OperatorChain<OUT,OP>

org.apache.flink.streaming.runtime.tasks.FinishedOperatorChain<OUT,OP>

所有已实现的接口:

Closeable, AutoCloseable, BoundedMultiInput

@Internal
public class FinishedOperatorChain<OUT,OP extends StreamOperator<OUT>>
extends OperatorChain<OUT,OP>

The OperatorChain that is used for restoring tasks that are TaskStateManager.isTaskDeployedAsFinished().

嵌套类概要

从类继承的嵌套类/接口 org.apache.flink.streaming.runtime.tasks.OperatorChain

OperatorChain.ChainedSource

字段概要

从类继承的字段 org.apache.flink.streaming.runtime.tasks.OperatorChain

chainedSources, closer, finishedOnRestoreInput, firstOperatorWrapper, isClosed, mainOperatorOutput, mainOperatorWrapper, numOperators, operatorEventDispatcher, streamOutputs, tailOperatorWrapper

构造器概要

构造器

构造器和说明
FinishedOperatorChain(StreamTask<OUT,OP> containingTask, org.apache.flink.runtime.io.network.api.writer.RecordWriterDelegate<org.apache.flink.runtime.plugable.SerializationDelegate<StreamRecord<OUT>>> recordWriterDelegate)

方法概要

限定符和类型	方法和说明
void	dispatchOperatorEvent(org.apache.flink.runtime.jobgraph.OperatorID operator, org.apache.flink.util.SerializedValue<org.apache.flink.runtime.operators.coordination.OperatorEvent> event)
void	endInput(int inputId) Ends the main operator input specified by inputId).
void	finishOperators(StreamTaskActionExecutor actionExecutor, org.apache.flink.runtime.io.network.api.StopMode stopMode) Closes all operators in a chain effect way.
WatermarkGaugeExposingOutput<StreamRecord<OUT>>	getMainOperatorOutput()
void	initializeStateAndOpenOperators(StreamTaskStateInitializer streamTaskStateInitializer) Initialize state and open all operators in the chain from tail to heads, contrary to StreamOperator.close() which happens heads to tail (see OperatorChain.finishOperators(StreamTaskActionExecutor, StopMode)).
boolean	isClosed()
boolean	isTaskDeployedAsFinished()
void	notifyCheckpointAborted(long checkpointId)
void	notifyCheckpointComplete(long checkpointId)
void	notifyCheckpointSubsumed(long checkpointId)
void	prepareSnapshotPreBarrier(long checkpointId)
void	snapshotState(Map<org.apache.flink.runtime.jobgraph.OperatorID,OperatorSnapshotFutures> operatorSnapshotsInProgress, org.apache.flink.runtime.checkpoint.CheckpointMetaData checkpointMetaData, org.apache.flink.runtime.checkpoint.CheckpointOptions checkpointOptions, java.util.function.Supplier<Boolean> isRunning, org.apache.flink.runtime.checkpoint.channel.ChannelStateWriter.ChannelStateWriteResult channelStateWriteResult, org.apache.flink.runtime.state.CheckpointStreamFactory storage)

从类继承的方法 org.apache.flink.streaming.runtime.tasks.OperatorChain

abortCheckpoint, alignedBarrierTimeout, broadcastEvent, broadcastEvent, close, closeAllOperators, flushOutputs, getAllOperators, getAllOperators, getChainedSource, getChainedSourceOutputs, getFinishedOnRestoreInputOrDefault, getMainOperator, getNumberOfOperators, getOperatorEventDispatcher, getSourceTaskInput, getSourceTaskInputs, getStreamOutputs, getTailOperator, sendAcknowledgeCheckpointEvent, snapshotChannelStates

从类继承的方法 java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

构造器详细资料

FinishedOperatorChain

public FinishedOperatorChain(StreamTask<OUT,OP> containingTask,
                             org.apache.flink.runtime.io.network.api.writer.RecordWriterDelegate<org.apache.flink.runtime.plugable.SerializationDelegate<StreamRecord<OUT>>> recordWriterDelegate)

方法详细资料

isTaskDeployedAsFinished

public boolean isTaskDeployedAsFinished()

指定者:

isTaskDeployedAsFinished 在类中 OperatorChain<OUT,OP extends StreamOperator<OUT>>

getMainOperatorOutput

public WatermarkGaugeExposingOutput<StreamRecord<OUT>> getMainOperatorOutput()

覆盖:

getMainOperatorOutput 在类中 OperatorChain<OUT,OP extends StreamOperator<OUT>>

dispatchOperatorEvent

public void dispatchOperatorEvent(org.apache.flink.runtime.jobgraph.OperatorID operator,
                                  org.apache.flink.util.SerializedValue<org.apache.flink.runtime.operators.coordination.OperatorEvent> event)

指定者:

dispatchOperatorEvent 在类中 OperatorChain<OUT,OP extends StreamOperator<OUT>>

prepareSnapshotPreBarrier

public void prepareSnapshotPreBarrier(long checkpointId)

指定者:

prepareSnapshotPreBarrier 在类中 OperatorChain<OUT,OP extends StreamOperator<OUT>>

endInput

public void endInput(int inputId)
              throws Exception

从类复制的说明: OperatorChain

Ends the main operator input specified by inputId).

指定者:

endInput 在接口中 BoundedMultiInput

指定者:

endInput 在类中 OperatorChain<OUT,OP extends StreamOperator<OUT>>

参数:

inputId - the input ID starts from 1 which indicates the first input.

抛出:

Exception

initializeStateAndOpenOperators

public void initializeStateAndOpenOperators(StreamTaskStateInitializer streamTaskStateInitializer)

从类复制的说明: OperatorChain

Initialize state and open all operators in the chain from tail to heads, contrary to StreamOperator.close() which happens heads to tail (see OperatorChain.finishOperators(StreamTaskActionExecutor, StopMode)).

指定者:

initializeStateAndOpenOperators 在类中 OperatorChain<OUT,OP extends StreamOperator<OUT>>

finishOperators

public void finishOperators(StreamTaskActionExecutor actionExecutor,
                            org.apache.flink.runtime.io.network.api.StopMode stopMode)
                     throws Exception

从类复制的说明: OperatorChain

Closes all operators in a chain effect way. Closing happens from heads to tail operator in the chain, contrary to StreamOperator.open() which happens tail to heads (see OperatorChain.initializeStateAndOpenOperators(StreamTaskStateInitializer)).

指定者:

finishOperators 在类中 OperatorChain<OUT,OP extends StreamOperator<OUT>>

抛出:

Exception

notifyCheckpointComplete

public void notifyCheckpointComplete(long checkpointId)
                              throws Exception

指定者:

notifyCheckpointComplete 在类中 OperatorChain<OUT,OP extends StreamOperator<OUT>>

抛出:

Exception

notifyCheckpointAborted

public void notifyCheckpointAborted(long checkpointId)
                             throws Exception

指定者:

notifyCheckpointAborted 在类中 OperatorChain<OUT,OP extends StreamOperator<OUT>>

抛出:

Exception

notifyCheckpointSubsumed

public void notifyCheckpointSubsumed(long checkpointId)
                              throws Exception

指定者:

notifyCheckpointSubsumed 在类中 OperatorChain<OUT,OP extends StreamOperator<OUT>>

抛出:

Exception

isClosed

public boolean isClosed()

覆盖:

isClosed 在类中 OperatorChain<OUT,OP extends StreamOperator<OUT>>

snapshotState

public void snapshotState(Map<org.apache.flink.runtime.jobgraph.OperatorID,OperatorSnapshotFutures> operatorSnapshotsInProgress,
                          org.apache.flink.runtime.checkpoint.CheckpointMetaData checkpointMetaData,
                          org.apache.flink.runtime.checkpoint.CheckpointOptions checkpointOptions,
                          java.util.function.Supplier<Boolean> isRunning,
                          org.apache.flink.runtime.checkpoint.channel.ChannelStateWriter.ChannelStateWriteResult channelStateWriteResult,
                          org.apache.flink.runtime.state.CheckpointStreamFactory storage)
                   throws Exception

指定者:

snapshotState 在类中 OperatorChain<OUT,OP extends StreamOperator<OUT>>

抛出:

Exception