org.apache.flink.streaming.runtime.io

类 AbstractStreamTaskNetworkInput<T,R extends org.apache.flink.runtime.io.network.api.serialization.RecordDeserializer<org.apache.flink.runtime.plugable.DeserializationDelegate<StreamElement>>>

java.lang.Object

org.apache.flink.streaming.runtime.io.AbstractStreamTaskNetworkInput<T,R>

所有已实现的接口:

Closeable, AutoCloseable, org.apache.flink.runtime.io.AvailabilityProvider, PushingAsyncDataInput<T>, StreamTaskInput<T>

直接已知子类:

RescalingStreamTaskNetworkInput, StreamTaskNetworkInput

public abstract class AbstractStreamTaskNetworkInput<T,R extends org.apache.flink.runtime.io.network.api.serialization.RecordDeserializer<org.apache.flink.runtime.plugable.DeserializationDelegate<StreamElement>>>
extends Object
implements StreamTaskInput<T>

Base class for network-based StreamTaskInput where each channel has a designated RecordDeserializer for spanning records. Specific implementation bind it to a specific RecordDeserializer.

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

字段

限定符和类型	字段和说明
protected CheckpointedInputGate	checkpointedInputGate
protected org.apache.flink.runtime.plugable.DeserializationDelegate<StreamElement>	deserializationDelegate
protected Map<org.apache.flink.runtime.checkpoint.channel.InputChannelInfo,Integer>	flattenedChannelIndices
protected int	inputIndex
protected org.apache.flink.api.common.typeutils.TypeSerializer<T>	inputSerializer
protected Map<org.apache.flink.runtime.checkpoint.channel.InputChannelInfo,R>	recordDeserializers
protected StatusWatermarkValve	statusWatermarkValve Valve that controls how watermarks and watermark statuses are forwarded.

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
AbstractStreamTaskNetworkInput(CheckpointedInputGate checkpointedInputGate, org.apache.flink.api.common.typeutils.TypeSerializer<T> inputSerializer, StatusWatermarkValve statusWatermarkValve, int inputIndex, Map<org.apache.flink.runtime.checkpoint.channel.InputChannelInfo,R> recordDeserializers)

方法概要

限定符和类型	方法和说明
void	close()
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.
protected R	getActiveSerializer(org.apache.flink.runtime.checkpoint.channel.InputChannelInfo channelInfo)
CompletableFuture<?>	getAvailableFuture()
int	getInputIndex() Returns the input index of this input.
protected void	processBuffer(org.apache.flink.runtime.io.network.partition.consumer.BufferOrEvent bufferOrEvent)
protected DataInputStatus	processEvent(org.apache.flink.runtime.io.network.partition.consumer.BufferOrEvent bufferOrEvent)
protected void	releaseDeserializer(org.apache.flink.runtime.checkpoint.channel.InputChannelInfo channelInfo)

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.runtime.io.StreamTaskInput

prepareSnapshot

从接口继承的方法 org.apache.flink.runtime.io.AvailabilityProvider

and, isApproximatelyAvailable, isAvailable, or

字段详细资料

checkpointedInputGate

protected final CheckpointedInputGate checkpointedInputGate

deserializationDelegate

protected final org.apache.flink.runtime.plugable.DeserializationDelegate<StreamElement> deserializationDelegate

inputSerializer

protected final org.apache.flink.api.common.typeutils.TypeSerializer<T> inputSerializer

recordDeserializers

protected final Map<org.apache.flink.runtime.checkpoint.channel.InputChannelInfo,R extends org.apache.flink.runtime.io.network.api.serialization.RecordDeserializer<org.apache.flink.runtime.plugable.DeserializationDelegate<StreamElement>>> recordDeserializers

flattenedChannelIndices

protected final Map<org.apache.flink.runtime.checkpoint.channel.InputChannelInfo,Integer> flattenedChannelIndices

statusWatermarkValve

protected final StatusWatermarkValve statusWatermarkValve

Valve that controls how watermarks and watermark statuses are forwarded.

inputIndex

protected final int inputIndex

构造器详细资料

AbstractStreamTaskNetworkInput

public AbstractStreamTaskNetworkInput(CheckpointedInputGate checkpointedInputGate,
                                      org.apache.flink.api.common.typeutils.TypeSerializer<T> inputSerializer,
                                      StatusWatermarkValve statusWatermarkValve,
                                      int inputIndex,
                                      Map<org.apache.flink.runtime.checkpoint.channel.InputChannelInfo,R> recordDeserializers)

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>

抛出:

Exception

processEvent

protected DataInputStatus processEvent(org.apache.flink.runtime.io.network.partition.consumer.BufferOrEvent bufferOrEvent)

processBuffer

protected void processBuffer(org.apache.flink.runtime.io.network.partition.consumer.BufferOrEvent bufferOrEvent)
                      throws IOException

抛出:

IOException

getActiveSerializer

protected R getActiveSerializer(org.apache.flink.runtime.checkpoint.channel.InputChannelInfo channelInfo)

getInputIndex

public int getInputIndex()

从接口复制的说明: StreamTaskInput

Returns the input index of this input.

指定者:

getInputIndex 在接口中 StreamTaskInput<T>

getAvailableFuture

public CompletableFuture<?> getAvailableFuture()

指定者:

getAvailableFuture 在接口中 org.apache.flink.runtime.io.AvailabilityProvider

close

public void close()
           throws IOException

指定者:

close 在接口中 Closeable

指定者:

close 在接口中 AutoCloseable

抛出:

IOException

releaseDeserializer

protected void releaseDeserializer(org.apache.flink.runtime.checkpoint.channel.InputChannelInfo channelInfo)