org.apache.flink.runtime.rest.handler

类 LeaderRetrievalHandler<T extends RestfulGateway>

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>

类型参数:

T - type of the leader to retrieve

所有已实现的接口:

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

直接已知子类:

AbstractHandler, StaticFileServerHandler

@ChannelHandler.Sharable
public abstract class LeaderRetrievalHandler<T extends RestfulGateway>
extends org.apache.flink.shaded.netty4.io.netty.channel.SimpleChannelInboundHandler<RoutedRequest>

SimpleChannelInboundHandler which encapsulates the leader retrieval logic for the REST endpoints.

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

字段

限定符和类型	字段和说明
protected GatewayRetriever<? extends T>	leaderRetriever
protected org.slf4j.Logger	logger
protected Map<String,String>	responseHeaders
protected org.apache.flink.api.common.time.Time	timeout

构造器概要

构造器

限定符	构造器和说明
protected	LeaderRetrievalHandler(GatewayRetriever<? extends T> leaderRetriever, org.apache.flink.api.common.time.Time timeout, Map<String,String> responseHeaders)

方法概要

限定符和类型	方法和说明
protected void	channelRead0(org.apache.flink.shaded.netty4.io.netty.channel.ChannelHandlerContext channelHandlerContext, RoutedRequest routedRequest)
protected abstract void	respondAsLeader(org.apache.flink.shaded.netty4.io.netty.channel.ChannelHandlerContext channelHandlerContext, RoutedRequest request, T gateway)

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

handlerAdded, handlerRemoved

字段详细资料

logger

protected final org.slf4j.Logger logger

leaderRetriever

protected final GatewayRetriever<? extends T extends RestfulGateway> leaderRetriever

timeout

protected final org.apache.flink.api.common.time.Time timeout

responseHeaders

protected final Map<String,String> responseHeaders

构造器详细资料

LeaderRetrievalHandler

protected LeaderRetrievalHandler(@Nonnull
                                 GatewayRetriever<? extends T> leaderRetriever,
                                 @Nonnull
                                 org.apache.flink.api.common.time.Time timeout,
                                 @Nonnull
                                 Map<String,String> responseHeaders)

方法详细资料

channelRead0

protected void channelRead0(org.apache.flink.shaded.netty4.io.netty.channel.ChannelHandlerContext channelHandlerContext,
                            RoutedRequest routedRequest)

指定者:

channelRead0 在类中 org.apache.flink.shaded.netty4.io.netty.channel.SimpleChannelInboundHandler<RoutedRequest>

respondAsLeader

protected abstract void respondAsLeader(org.apache.flink.shaded.netty4.io.netty.channel.ChannelHandlerContext channelHandlerContext,
                                        RoutedRequest request,
                                        T gateway)
                                 throws Exception

抛出:

Exception