org.apache.flink.streaming.runtime.io

类 StreamTaskExternallyInducedSourceInput<T>

java.lang.Object

org.apache.flink.streaming.runtime.io.StreamTaskSourceInput<T>

org.apache.flink.streaming.runtime.io.StreamTaskExternallyInducedSourceInput<T>

所有已实现的接口:

Closeable, AutoCloseable, org.apache.flink.runtime.io.AvailabilityProvider, org.apache.flink.runtime.io.network.partition.consumer.CheckpointableInput, PushingAsyncDataInput<T>, StreamTaskInput<T>

public class StreamTaskExternallyInducedSourceInput<T>
extends StreamTaskSourceInput<T>

A subclass of StreamTaskSourceInput for ExternallyInducedSourceReader.

嵌套类概要

从接口继承的嵌套类/接口 org.apache.flink.streaming.runtime.io.PushingAsyncDataInput

PushingAsyncDataInput.DataOutput<T>

从接口继承的嵌套类/接口 org.apache.flink.runtime.io.AvailabilityProvider

org.apache.flink.runtime.io.AvailabilityProvider.AvailabilityHelper

字段概要

从接口继承的字段 org.apache.flink.streaming.runtime.io.StreamTaskInput

UNSPECIFIED

从接口继承的字段 org.apache.flink.runtime.io.AvailabilityProvider

AVAILABLE

构造器概要

构造器

构造器和说明
StreamTaskExternallyInducedSourceInput(SourceOperator<T,?> operator, java.util.function.Consumer<Long> checkpointTriggeringHook, int inputGateIndex, int inputIndex)

方法概要

限定符和类型	方法和说明
DataInputStatus	emitNext(PushingAsyncDataInput.DataOutput<T> output) Pushes the next element to the output from current data input, and returns the input status to indicate whether there are more available data in current input.

从类继承的方法 org.apache.flink.streaming.runtime.io.StreamTaskSourceInput

blockConsumption, checkpointStarted, checkpointStopped, close, convertToPriorityEvent, getAvailableFuture, getChannelInfos, getInputGateIndex, getInputIndex, getNumberOfInputChannels, getOperator, getOperatorID, prepareSnapshot, resumeConsumption

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.runtime.io.AvailabilityProvider

and, isApproximatelyAvailable, isAvailable, or

构造器详细资料

StreamTaskExternallyInducedSourceInput

public StreamTaskExternallyInducedSourceInput(SourceOperator<T,?> operator,
                                              java.util.function.Consumer<Long> checkpointTriggeringHook,
                                              int inputGateIndex,
                                              int inputIndex)

方法详细资料

emitNext

public DataInputStatus emitNext(PushingAsyncDataInput.DataOutput<T> output)
                         throws Exception

从接口复制的说明: PushingAsyncDataInput

Pushes the next element to the output from current data input, and returns the input status to indicate whether there are more available data in current input.

This method should be non blocking.

指定者:

emitNext 在接口中 PushingAsyncDataInput<T>

覆盖:

emitNext 在类中 StreamTaskSourceInput<T>

抛出:

Exception