org.apache.flink.streaming.runtime.tasks

类 StreamIterationTail<IN>

java.lang.Object

org.apache.flink.streaming.runtime.tasks.StreamTask<OUT,OneInputStreamOperator<IN,OUT>>

org.apache.flink.streaming.runtime.tasks.OneInputStreamTask<IN,IN>

org.apache.flink.streaming.runtime.tasks.StreamIterationTail<IN>

所有已实现的接口:

org.apache.flink.runtime.jobgraph.tasks.CheckpointableTask, org.apache.flink.runtime.jobgraph.tasks.CoordinatedTask, org.apache.flink.runtime.jobgraph.tasks.TaskInvokable, org.apache.flink.runtime.taskmanager.AsyncExceptionHandler, ContainingTaskDetails

@Internal
public class StreamIterationTail<IN>
extends OneInputStreamTask<IN,IN>

A special StreamTask that is used for executing feedback edges. This is used in combination with StreamIterationHead.

字段概要

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

checkpointStorage, configuration, inputProcessor, mailboxProcessor, mainOperator, operatorChain, recordWriter, stateBackend, systemTimerService, timerService, TRIGGER_THREAD_GROUP

构造器概要

构造器

构造器和说明
StreamIterationTail(org.apache.flink.runtime.execution.Environment environment)

方法概要

限定符和类型	方法和说明
void	init()

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

getCheckpointBarrierHandler

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

abortCheckpointOnBarrier, advanceToEndOfEventTime, afterInvoke, cancel, cancelTask, cleanUp, cleanUpInternal, createRecordWriterDelegate, createStreamTaskStateInitializer, declineCheckpoint, dispatchOperatorEvent, endData, finalize, getAsyncCheckpointStartDelayNanos, getAsyncOperationsThreadPool, getCancelables, getCheckpointStorage, getCompletionFuture, getConfiguration, getEnvironment, getMailboxExecutorFactory, getName, getProcessingTimeServiceFactory, handleAsyncException, invoke, isCanceled, isFailing, isMailboxLoopRunning, isRunning, isUsingNonBlockingInput, maybeInterruptOnCancel, notifyCheckpointAbortAsync, notifyCheckpointCompleteAsync, notifyCheckpointSubsumedAsync, processInput, restore, runMailboxLoop, runMailboxStep, setSynchronousSavepoint, setupNumRecordsInCounter, toString, triggerCheckpointAsync, triggerCheckpointOnBarrier

从类继承的方法 java.lang.Object

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

从接口继承的方法 org.apache.flink.streaming.runtime.tasks.ContainingTaskDetails

getExecutionConfig, getIndexInSubtaskGroup, getJobConfiguration, getUserCodeClassLoader

构造器详细资料

StreamIterationTail

public StreamIterationTail(org.apache.flink.runtime.execution.Environment environment)
                    throws Exception

抛出:

Exception

方法详细资料

init

public void init()
          throws Exception

覆盖:

init 在类中 OneInputStreamTask<IN,IN>

抛出:

Exception