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

Class JobVertexAccumulatorsHandler

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.AbstractJobVertexHandler<JobVertexAccumulatorsInfo,JobVertexMessageParameters>

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

All Implemented Interfaces:

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

public class JobVertexAccumulatorsHandler
extends AbstractJobVertexHandler<JobVertexAccumulatorsInfo,JobVertexMessageParameters>

Request handler for the job vertex accumulators.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.flink.shaded.netty4.io.netty.channel.ChannelHandler

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

Field Summary

Fields inherited from class org.apache.flink.runtime.rest.handler.AbstractHandler

log, MAPPER

Fields inherited from class org.apache.flink.runtime.rest.handler.LeaderRetrievalHandler

leaderRetriever, logger, responseHeaders, timeout

Constructor Summary

Constructors

Constructor and Description
JobVertexAccumulatorsHandler(GatewayRetriever<? extends RestfulGateway> leaderRetriever, Time timeout, Map<String,String> responseHeaders, MessageHeaders<EmptyRequestBody,JobVertexAccumulatorsInfo,JobVertexMessageParameters> messageHeaders, ExecutionGraphCache executionGraphCache, Executor executor)

Method Summary

Modifier and Type	Method and Description
protected JobVertexAccumulatorsInfo	handleRequest(HandlerRequest<EmptyRequestBody,JobVertexMessageParameters> request, AccessExecutionJobVertex jobVertex) Called for each request after the corresponding AccessExecutionJobVertex has been retrieved from the AccessExecutionGraph.

Methods inherited from class org.apache.flink.runtime.rest.handler.job.AbstractJobVertexHandler

handleRequest

Methods inherited from class org.apache.flink.runtime.rest.handler.job.AbstractExecutionGraphHandler

handleRequest

Methods inherited from class org.apache.flink.runtime.rest.handler.AbstractRestHandler

getMessageHeaders, respondToRequest

Methods inherited from class org.apache.flink.runtime.rest.handler.AbstractHandler

closeAsync, closeHandlerAsync, respondAsLeader

Methods inherited from class org.apache.flink.runtime.rest.handler.LeaderRetrievalHandler

channelRead0

Methods inherited from class org.apache.flink.shaded.netty4.io.netty.channel.SimpleChannelInboundHandler

acceptInboundMessage, channelRead

Methods inherited from class org.apache.flink.shaded.netty4.io.netty.channel.ChannelInboundHandlerAdapter

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

Methods inherited from class org.apache.flink.shaded.netty4.io.netty.channel.ChannelHandlerAdapter

ensureNotSharable, handlerAdded, handlerRemoved, isSharable

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.flink.util.AutoCloseableAsync

close

Methods inherited from interface org.apache.flink.shaded.netty4.io.netty.channel.ChannelHandler

handlerAdded, handlerRemoved

Constructor Detail

JobVertexAccumulatorsHandler

public JobVertexAccumulatorsHandler(GatewayRetriever<? extends RestfulGateway> leaderRetriever,
                                    Time timeout,
                                    Map<String,String> responseHeaders,
                                    MessageHeaders<EmptyRequestBody,JobVertexAccumulatorsInfo,JobVertexMessageParameters> messageHeaders,
                                    ExecutionGraphCache executionGraphCache,
                                    Executor executor)

Method Detail

handleRequest

protected JobVertexAccumulatorsInfo handleRequest(HandlerRequest<EmptyRequestBody,JobVertexMessageParameters> request,
                                                  AccessExecutionJobVertex jobVertex)
                                           throws RestHandlerException

Description copied from class: AbstractJobVertexHandler

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

Specified by:

handleRequest in class AbstractJobVertexHandler<JobVertexAccumulatorsInfo,JobVertexMessageParameters>

Parameters:

request - the request

jobVertex - the execution job vertex

Returns:

the response

Throws:

RestHandlerException - if the handler could not process the request