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

Class JobVertexFlameGraphHandler

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<VertexFlameGraph,JobVertexFlameGraphParameters>

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

All Implemented Interfaces:

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

public class JobVertexFlameGraphHandler
extends AbstractJobVertexHandler<VertexFlameGraph,JobVertexFlameGraphParameters>

Request handler for the job vertex Flame Graph.

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	Description
JobVertexFlameGraphHandler(GatewayRetriever<? extends RestfulGateway> leaderRetriever, Duration timeout, Map<String,String> responseHeaders, ExecutionGraphCache executionGraphCache, Executor executor, VertexStatsTracker<VertexThreadInfoStats> threadInfoOperatorTracker)

Method Summary

Modifier and Type	Method	Description
void	close()
static AbstractRestHandler<?,?,?,?>	disabledHandler(GatewayRetriever<? extends RestfulGateway> leaderRetriever, Duration timeout, Map<String,String> responseHeaders)
protected VertexFlameGraph	handleRequest(HandlerRequest<EmptyRequestBody> 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.AbstractAccessExecutionGraphHandler

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, getTimeout

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.shaded.netty4.io.netty.channel.ChannelHandler

handlerAdded, handlerRemoved

Constructor Details

JobVertexFlameGraphHandler

public JobVertexFlameGraphHandler(GatewayRetriever<? extends RestfulGateway> leaderRetriever,
 Duration timeout,
 Map<String,String> responseHeaders,
 ExecutionGraphCache executionGraphCache,
 Executor executor,
 VertexStatsTracker<VertexThreadInfoStats> threadInfoOperatorTracker)

Method Details

handleRequest

protected VertexFlameGraph handleRequest(HandlerRequest<EmptyRequestBody> 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<VertexFlameGraph,JobVertexFlameGraphParameters>

Parameters:

request - the request

jobVertex - the execution job vertex

Returns:

the response

Throws:

RestHandlerException - if the handler could not process the request

close

public void close()
           throws Exception

Throws:

Exception

disabledHandler

public static AbstractRestHandler<?,?,?,?> disabledHandler(GatewayRetriever<? extends RestfulGateway> leaderRetriever,
 Duration timeout,
 Map<String,String> responseHeaders)