org.apache.flink.runtime.rest.handler.job

类 AbstractSubtaskHandler<R extends ResponseBody,M extends SubtaskMessageParameters>

java.lang.Object

org.apache.flink.shaded.netty4.io.netty.channel.ChannelHandlerAdapter

org.apache.flink.shaded.netty4.io.netty.channel.ChannelInboundHandlerAdapter

org.apache.flink.shaded.netty4.io.netty.channel.SimpleChannelInboundHandler<RoutedRequest>

org.apache.flink.runtime.rest.handler.LeaderRetrievalHandler<T>

org.apache.flink.runtime.rest.handler.AbstractHandler<T,R,M>

org.apache.flink.runtime.rest.handler.AbstractRestHandler<RestfulGateway,EmptyRequestBody,R,M>

org.apache.flink.runtime.rest.handler.job.AbstractExecutionGraphHandler<R,M>

org.apache.flink.runtime.rest.handler.job.AbstractAccessExecutionGraphHandler<R,M>

org.apache.flink.runtime.rest.handler.job.AbstractJobVertexHandler<R,M>

org.apache.flink.runtime.rest.handler.job.AbstractSubtaskHandler<R,M>

类型参数:

R - the response type

M - the message parameters type

所有已实现的接口:

AutoCloseable, org.apache.flink.shaded.netty4.io.netty.channel.ChannelHandler, org.apache.flink.shaded.netty4.io.netty.channel.ChannelInboundHandler, org.apache.flink.util.AutoCloseableAsync

直接已知子类:

AbstractSubtaskAttemptHandler, SubtaskCurrentAttemptDetailsHandler

public abstract class AbstractSubtaskHandler<R extends ResponseBody,M extends SubtaskMessageParameters>
extends AbstractJobVertexHandler<R,M>

Base class for request handlers whose response depends on a specific subtask (defined via the "SubtaskIndexPathParameter.KEY" in a specific job vertex, (defined via the "JobVertexIdPathParameter.KEY" parameter) in a specific job, defined via (defined via the "JobIDPathParameter.KEY" parameter).

嵌套类概要

从接口继承的嵌套类/接口 org.apache.flink.shaded.netty4.io.netty.channel.ChannelHandler

org.apache.flink.shaded.netty4.io.netty.channel.ChannelHandler.Sharable

字段概要

从类继承的字段 org.apache.flink.runtime.rest.handler.AbstractHandler

log, MAPPER

从类继承的字段 org.apache.flink.runtime.rest.handler.LeaderRetrievalHandler

leaderRetriever, logger, responseHeaders, timeout

构造器概要

构造器

限定符	构造器和说明
protected	AbstractSubtaskHandler(GatewayRetriever<? extends RestfulGateway> leaderRetriever, org.apache.flink.api.common.time.Time timeout, Map<String,String> responseHeaders, MessageHeaders<EmptyRequestBody,R,M> messageHeaders, ExecutionGraphCache executionGraphCache, Executor executor) Instantiates a new Abstract job vertex handler.

方法概要

限定符和类型	方法和说明
protected R	handleRequest(HandlerRequest<EmptyRequestBody,M> request, AccessExecutionJobVertex jobVertex) Called for each request after the corresponding AccessExecutionJobVertex has been retrieved from the AccessExecutionGraph.
protected abstract R	handleRequest(HandlerRequest<EmptyRequestBody,M> request, AccessExecutionVertex executionVertex) Called for each request after the corresponding AccessExecutionVertex has been retrieved from the AccessExecutionJobVertex.

从类继承的方法 org.apache.flink.runtime.rest.handler.job.AbstractJobVertexHandler

handleRequest

从类继承的方法 org.apache.flink.runtime.rest.handler.job.AbstractAccessExecutionGraphHandler

handleRequest

从类继承的方法 org.apache.flink.runtime.rest.handler.job.AbstractExecutionGraphHandler

handleRequest

从类继承的方法 org.apache.flink.runtime.rest.handler.AbstractRestHandler

getMessageHeaders, respondToRequest

从类继承的方法 org.apache.flink.runtime.rest.handler.AbstractHandler

closeAsync, closeHandlerAsync, respondAsLeader

从类继承的方法 org.apache.flink.runtime.rest.handler.LeaderRetrievalHandler

channelRead0

从类继承的方法 org.apache.flink.shaded.netty4.io.netty.channel.SimpleChannelInboundHandler

acceptInboundMessage, channelRead

从类继承的方法 org.apache.flink.shaded.netty4.io.netty.channel.ChannelInboundHandlerAdapter

channelActive, channelInactive, channelReadComplete, channelRegistered, channelUnregistered, channelWritabilityChanged, exceptionCaught, userEventTriggered

从类继承的方法 org.apache.flink.shaded.netty4.io.netty.channel.ChannelHandlerAdapter

ensureNotSharable, handlerAdded, handlerRemoved, isSharable

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.util.AutoCloseableAsync

close

从接口继承的方法 org.apache.flink.shaded.netty4.io.netty.channel.ChannelHandler

handlerAdded, handlerRemoved

构造器详细资料

AbstractSubtaskHandler

protected AbstractSubtaskHandler(GatewayRetriever<? extends RestfulGateway> leaderRetriever,
                                 org.apache.flink.api.common.time.Time timeout,
                                 Map<String,String> responseHeaders,
                                 MessageHeaders<EmptyRequestBody,R,M> messageHeaders,
                                 ExecutionGraphCache executionGraphCache,
                                 Executor executor)

Instantiates a new Abstract job vertex handler.

参数:

leaderRetriever - the leader retriever

timeout - the timeout

responseHeaders - the response headers

messageHeaders - the message headers

executionGraphCache - the execution graph cache

executor - the executor

方法详细资料

handleRequest

protected R handleRequest(HandlerRequest<EmptyRequestBody,M> request,
                          AccessExecutionJobVertex jobVertex)
                   throws RestHandlerException

从类复制的说明: AbstractJobVertexHandler

Called for each request after the corresponding AccessExecutionJobVertex has been retrieved from the AccessExecutionGraph.

指定者:

handleRequest 在类中 AbstractJobVertexHandler<R extends ResponseBody,M extends SubtaskMessageParameters>

参数:

request - the request

jobVertex - the execution job vertex

返回:

the response

抛出:

RestHandlerException - if the handler could not process the request

handleRequest

protected abstract R handleRequest(HandlerRequest<EmptyRequestBody,M> request,
                                   AccessExecutionVertex executionVertex)
                            throws RestHandlerException

Called for each request after the corresponding AccessExecutionVertex has been retrieved from the AccessExecutionJobVertex.

参数:

request - the request

executionVertex - the execution vertex

返回:

the response

抛出:

RestHandlerException - the rest handler exception