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

Class TaskManagersHandler

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<T,R,P,M>

org.apache.flink.runtime.rest.handler.resourcemanager.AbstractResourceManagerHandler<RestfulGateway,EmptyRequestBody,TaskManagersInfo,EmptyMessageParameters>

org.apache.flink.runtime.rest.handler.taskmanager.TaskManagersHandler

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 TaskManagersHandler
extends AbstractResourceManagerHandler<RestfulGateway,EmptyRequestBody,TaskManagersInfo,EmptyMessageParameters>

Returns an overview over all registered TaskManagers of the cluster.

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
TaskManagersHandler(GatewayRetriever<? extends RestfulGateway> leaderRetriever, Duration timeout, Map<String,String> responseHeaders, MessageHeaders<EmptyRequestBody,TaskManagersInfo,EmptyMessageParameters> messageHeaders, GatewayRetriever<ResourceManagerGateway> resourceManagerGatewayRetriever)

Method Summary

Modifier and Type	Method	Description
protected CompletableFuture<TaskManagersInfo>	handleRequest(HandlerRequest<EmptyRequestBody> request, ResourceManagerGateway gateway)

Methods inherited from class org.apache.flink.runtime.rest.handler.resourcemanager.AbstractResourceManagerHandler

getResourceManagerGateway, 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.util.AutoCloseableAsync

close

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

handlerAdded, handlerRemoved

Constructor Detail

TaskManagersHandler

public TaskManagersHandler(GatewayRetriever<? extends RestfulGateway> leaderRetriever,
                           Duration timeout,
                           Map<String,String> responseHeaders,
                           MessageHeaders<EmptyRequestBody,TaskManagersInfo,EmptyMessageParameters> messageHeaders,
                           GatewayRetriever<ResourceManagerGateway> resourceManagerGatewayRetriever)

Method Detail

handleRequest

protected CompletableFuture<TaskManagersInfo> handleRequest(@Nonnull
                                                            HandlerRequest<EmptyRequestBody> request,
                                                            @Nonnull
                                                            ResourceManagerGateway gateway)
                                                     throws RestHandlerException

Specified by:

handleRequest in class AbstractResourceManagerHandler<RestfulGateway,EmptyRequestBody,TaskManagersInfo,EmptyMessageParameters>

Throws:

RestHandlerException