{"id":300500,"date":"2020-03-21T15:00:13","date_gmt":"2020-03-21T15:00:13","guid":{"rendered":"http:\/\/savepearlharbor.com\/?p=300500"},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-29T21:00:00","slug":"","status":"publish","type":"post","link":"https:\/\/savepearlharbor.com\/?p=300500","title":{"rendered":"Spring \u2014 \u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u044b\u0439 \u0440\u043e\u0443\u0442\u0438\u043d\u0433"},"content":{"rendered":"\n<div class=\"post__text post__text-html post__text_v1\" id=\"post-content-body\" data-io-article-url=\"https:\/\/habr.com\/ru\/post\/493448\/\">\n<p><img decoding=\"async\" src=\"https:\/\/habrastorage.org\/webt\/td\/xr\/rb\/tdxrrbrbizd7ifwheplhgwmz_h4.jpeg\"><\/p>\n<p>  <\/p>\n<p><em><a href=\"https:\/\/fatcatart.com\/?attachment_id=713&amp;lang=en\" rel=\"nofollow\">\u0412\u0438\u043a\u0442\u043e\u0440 \u0412\u0430\u0441\u043d\u0435\u0446\u043e\u0432, \u0420\u044b\u0446\u0430\u0440\u044c \u043d\u0430 \u0440\u0430\u0441\u043f\u0443\u0442\u044c\u0435; fatcatart.com<\/a><\/em><\/p>\n<p>  <\/p>\n<p>\u041f\u0440\u0438\u0432\u0435\u0442, \u0425\u0430\u0431\u0440! \u0417\u0434\u0435\u0441\u044c \u043a\u0440\u0430\u0442\u043a\u0438\u0439 \u043f\u0435\u0440\u0435\u0441\u043a\u0430\u0437 <a href=\"https:\/\/github.com\/spring-projects\/spring-framework\/issues\/24652\" rel=\"nofollow\">\u0438\u043d\u0442\u0435\u0440\u0435\u0441\u043d\u043e\u0439 \u0431\u0430\u0433\u0438 c GitHub<\/a>. \u0414\u043b\u044f \u0432\u043e\u0441\u043f\u0440\u043e\u0438\u0437\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u0441\u043c. \u043f\u0440\u043e\u0435\u043a\u0442 <a href=\"https:\/\/github.com\/imanushin\/spring-flux-callstack\" rel=\"nofollow\">spring-flux-callstack<\/a>.<\/p>\n<p>  <\/p>\n<p>\u041d\u0435 \u0442\u0430\u043a \u0434\u0430\u0432\u043d\u043e \u044f \u0437\u0430\u043c\u0435\u0442\u0438\u043b, \u0447\u0442\u043e \u043f\u0440\u0438 \u043e\u0448\u0438\u0431\u043a\u0430\u0445 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f, \u0441\u0442\u0435\u043a\u0442\u0440\u0435\u0439\u0441 \u0438\u043d\u043e\u0433\u0434\u0430 \u0434\u043e\u0432\u043e\u043b\u044c\u043d\u043e \u0434\u043b\u0438\u043d\u043d\u044b\u0439. \u0418 \u0432 \u043d\u0435\u043c \u043f\u043e\u0432\u0442\u043e\u0440\u044f\u043b\u043e\u0441\u044c \u043f\u043e \u043c\u043d\u043e\u0433\u0443 \u0440\u0430\u0437 \u043e\u0434\u0438\u043d \u0438 \u0442\u043e\u0442 \u0436\u0435 \u043d\u0430\u0431\u043e\u0440 \u0441\u0442\u0440\u043e\u043a (\u0441\u0430\u043c \u0441\u0442\u0435\u043a\u0442\u0440\u0435\u0439\u0441 \u043f\u043e\u0434 \u043a\u0430\u0442\u043e\u043c):<\/p>\n<p>  <\/p>\n<pre><code class=\"plaintext\">at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onComplete(FluxSwitchIfEmpty.java:75) at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onComplete(FluxSwitchIfEmpty.java:78) at reactor.core.publisher.Operators.complete(Operators.java:135) at reactor.core.publisher.MonoEmpty.subscribe(MonoEmpty.java:45) at reactor.core.publisher.MonoDefer.subscribe(MonoDefer.java:52) at reactor.core.publisher.Mono.subscribe(Mono.java:4110)<\/code><\/pre>\n<p>  <\/p>\n<p>\u041a\u0430\u043a \u0432\u044b \u0443\u0436\u0435 \u043f\u043e\u043d\u044f\u043b\u0438, \u044d\u0442\u043e \u043c\u0435\u0442\u043e\u0434\u044b \u0438\u0437 <a href=\"https:\/\/projectreactor.io\/\" rel=\"nofollow\">Project Reactor<\/a>, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u0435\u0442 \u0430\u0441\u0438\u043d\u0445\u0440\u043e\u043d\u043d\u0443\u044e \u0440\u0430\u0431\u043e\u0442\u0443 \u0434\u043b\u044f <a href=\"https:\/\/docs.spring.io\/spring\/docs\/current\/spring-framework-reference\/web-reactive.html#webflux-fn-router-functions\" rel=\"nofollow\">Router Function<\/a> \u0432 <a href=\"https:\/\/docs.spring.io\/spring\/docs\/current\/spring-framework-reference\/web-reactive.html\" rel=\"nofollow\">WebFlux<\/a>.<\/p>\n<p>  <\/p>\n<p>\u041d\u0430\u043b\u0438\u0446\u043e \u043d\u0435\u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0441\u0442\u044c, \u0432\u0435\u0434\u044c \u043a\u0430\u0436\u0434\u044b\u0439 \u0442\u0430\u043a\u043e\u0439 \u0431\u043b\u043e\u043a \u043a\u043e\u0434\u0430 \u043f\u043e\u0440\u043e\u0436\u0434\u0430\u0435\u0442 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u043e\u0431\u044a\u0435\u043a\u0442\u043e\u0432 \u0432 \u043a\u0443\u0447\u0435, \u0430 \u0442\u0430\u043a\u0438\u0445 \u0431\u043b\u043e\u043a\u043e\u0432 \u043c\u043d\u043e\u0433\u043e. \u0418 \u0441\u043e\u0437\u0434\u0430\u044e\u0441\u044f \u043e\u043d\u0438 \u043d\u0430 \u043a\u0430\u0436\u0434\u044b\u0439 \u0432\u044b\u0437\u043e\u0432.<\/p>\n<p><a name=\"habracut\"><\/a>  <\/p>\n<div class=\"spoiler\"><b class=\"spoiler_title\">\u0421\u043c\u0443\u0442\u0438\u0432\u0448\u0438\u0439 \u043c\u0435\u043d\u044f \u0441\u0442\u0435\u043a\u0442\u0440\u0435\u0439\u0441<\/b><\/p>\n<div class=\"spoiler_text\">\n<pre><code class=\"plaintext\">at org.springframework.web.reactive.function.server.CoRouterFunctionDsl$asHandlerFunction$1$1.invokeSuspend(CoRouterFunctionDsl.kt:599)     at kotlin.coroutines.jvm.internal.BaseContinuationImpl.resumeWith(ContinuationImpl.kt:33)     at kotlinx.coroutines.DispatchedContinuationKt.resumeCancellableWith(DispatchedContinuation.kt:313)     at kotlinx.coroutines.intrinsics.CancellableKt.startCoroutineCancellable(Cancellable.kt:26)     at kotlinx.coroutines.CoroutineStart.invoke(CoroutineStart.kt:109)     at kotlinx.coroutines.AbstractCoroutine.start(AbstractCoroutine.kt:158)     at kotlinx.coroutines.reactor.MonoKt$monoInternal$1.accept(Mono.kt:55)     at kotlinx.coroutines.reactor.MonoKt$monoInternal$1.accept(Mono.kt)     at reactor.core.publisher.MonoCreate.subscribe(MonoCreate.java:57)     at reactor.core.publisher.InternalMonoOperator.subscribe(InternalMonoOperator.java:55)     at reactor.core.publisher.MonoFlatMap$FlatMapMain.onNext(MonoFlatMap.java:150)     at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onNext(FluxSwitchIfEmpty.java:67)     at reactor.core.publisher.MonoNext$NextSubscriber.onNext(MonoNext.java:76)     at reactor.core.publisher.FluxConcatMap$ConcatMapImmediate.innerNext(FluxConcatMap.java:274)     at reactor.core.publisher.FluxConcatMap$ConcatMapInner.onNext(FluxConcatMap.java:851)     at reactor.core.publisher.FluxMap$MapSubscriber.onNext(FluxMap.java:114)     at reactor.core.publisher.FluxPeek$PeekSubscriber.onNext(FluxPeek.java:192)     at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onNext(FluxSwitchIfEmpty.java:67)     at reactor.core.publisher.FluxMap$MapSubscriber.onNext(FluxMap.java:114)     at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onNext(FluxSwitchIfEmpty.java:67)     at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onNext(FluxSwitchIfEmpty.java:67)     at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onNext(FluxSwitchIfEmpty.java:67)     at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onNext(FluxSwitchIfEmpty.java:67)     at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onNext(FluxSwitchIfEmpty.java:67)     at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onNext(FluxSwitchIfEmpty.java:67)     at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onNext(FluxSwitchIfEmpty.java:67)     at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onNext(FluxSwitchIfEmpty.java:67)     at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onNext(FluxSwitchIfEmpty.java:67)     at reactor.core.publisher.Operators$ScalarSubscription.request(Operators.java:2267)     at reactor.core.publisher.Operators$MultiSubscriptionSubscriber.set(Operators.java:2075)     at reactor.core.publisher.Operators$MultiSubscriptionSubscriber.onSubscribe(Operators.java:1949)     at reactor.core.publisher.MonoJust.subscribe(MonoJust.java:54)     at reactor.core.publisher.MonoDefer.subscribe(MonoDefer.java:52)     at reactor.core.publisher.Mono.subscribe(Mono.java:4110)     at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onComplete(FluxSwitchIfEmpty.java:75)     at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onComplete(FluxSwitchIfEmpty.java:78)     at reactor.core.publisher.Operators.complete(Operators.java:135)     at reactor.core.publisher.MonoEmpty.subscribe(MonoEmpty.java:45)     at reactor.core.publisher.MonoDefer.subscribe(MonoDefer.java:52)     at reactor.core.publisher.Mono.subscribe(Mono.java:4110)     at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onComplete(FluxSwitchIfEmpty.java:75)     at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onComplete(FluxSwitchIfEmpty.java:78)     at reactor.core.publisher.Operators.complete(Operators.java:135)     at reactor.core.publisher.MonoEmpty.subscribe(MonoEmpty.java:45)     at reactor.core.publisher.MonoDefer.subscribe(MonoDefer.java:52)     at reactor.core.publisher.Mono.subscribe(Mono.java:4110)     at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onComplete(FluxSwitchIfEmpty.java:75)     at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onComplete(FluxSwitchIfEmpty.java:78)     at reactor.core.publisher.Operators.complete(Operators.java:135)     at reactor.core.publisher.MonoEmpty.subscribe(MonoEmpty.java:45)     at reactor.core.publisher.MonoDefer.subscribe(MonoDefer.java:52)     at reactor.core.publisher.Mono.subscribe(Mono.java:4110)     at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onComplete(FluxSwitchIfEmpty.java:75)     at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onComplete(FluxSwitchIfEmpty.java:78)     at reactor.core.publisher.Operators.complete(Operators.java:135)     at reactor.core.publisher.MonoEmpty.subscribe(MonoEmpty.java:45)     at reactor.core.publisher.MonoDefer.subscribe(MonoDefer.java:52)     at reactor.core.publisher.Mono.subscribe(Mono.java:4110)     at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onComplete(FluxSwitchIfEmpty.java:75)     at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onComplete(FluxSwitchIfEmpty.java:78)     at reactor.core.publisher.Operators.complete(Operators.java:135)     at reactor.core.publisher.MonoEmpty.subscribe(MonoEmpty.java:45)     at reactor.core.publisher.MonoDefer.subscribe(MonoDefer.java:52)     at reactor.core.publisher.Mono.subscribe(Mono.java:4110)     at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onComplete(FluxSwitchIfEmpty.java:75)     at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onComplete(FluxSwitchIfEmpty.java:78)     at reactor.core.publisher.Operators.complete(Operators.java:135)     at reactor.core.publisher.MonoEmpty.subscribe(MonoEmpty.java:45)     at reactor.core.publisher.MonoDefer.subscribe(MonoDefer.java:52)     at reactor.core.publisher.Mono.subscribe(Mono.java:4110)     at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onComplete(FluxSwitchIfEmpty.java:75)     at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onComplete(FluxSwitchIfEmpty.java:78)     at reactor.core.publisher.Operators.complete(Operators.java:135)     at reactor.core.publisher.MonoEmpty.subscribe(MonoEmpty.java:45)     at reactor.core.publisher.MonoDefer.subscribe(MonoDefer.java:52)     at reactor.core.publisher.Mono.subscribe(Mono.java:4110)     at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onComplete(FluxSwitchIfEmpty.java:75)     at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onComplete(FluxSwitchIfEmpty.java:78)     at reactor.core.publisher.Operators.complete(Operators.java:135)     at reactor.core.publisher.MonoEmpty.subscribe(MonoEmpty.java:45)     at reactor.core.publisher.MonoDefer.subscribe(MonoDefer.java:52)     at reactor.core.publisher.Mono.subscribe(Mono.java:4110)     at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onComplete(FluxSwitchIfEmpty.java:75)     at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onComplete(FluxSwitchIfEmpty.java:78)     at reactor.core.publisher.Operators.complete(Operators.java:135)     at reactor.core.publisher.MonoEmpty.subscribe(MonoEmpty.java:45)     at reactor.core.publisher.MonoDefer.subscribe(MonoDefer.java:52)     at reactor.core.publisher.Mono.subscribe(Mono.java:4110)     at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onComplete(FluxSwitchIfEmpty.java:75)     at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onComplete(FluxSwitchIfEmpty.java:78)     at reactor.core.publisher.Operators.complete(Operators.java:135)     at reactor.core.publisher.MonoEmpty.subscribe(MonoEmpty.java:45)     at reactor.core.publisher.MonoDefer.subscribe(MonoDefer.java:52)     at reactor.core.publisher.Mono.subscribe(Mono.java:4110)     at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onComplete(FluxSwitchIfEmpty.java:75)     at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onComplete(FluxSwitchIfEmpty.java:78)     at reactor.core.publisher.Operators.complete(Operators.java:135)     at reactor.core.publisher.MonoEmpty.subscribe(MonoEmpty.java:45)     at reactor.core.publisher.MonoDefer.subscribe(MonoDefer.java:52)     at reactor.core.publisher.Mono.subscribe(Mono.java:4110)     at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onComplete(FluxSwitchIfEmpty.java:75)     at reactor.core.publisher.Operators.complete(Operators.java:135)     at reactor.core.publisher.MonoEmpty.subscribe(MonoEmpty.java:45)     at reactor.core.publisher.InternalMonoOperator.subscribe(InternalMonoOperator.java:55)     at reactor.core.publisher.MonoDefer.subscribe(MonoDefer.java:52)     at reactor.core.publisher.Mono.subscribe(Mono.java:4110)     at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onComplete(FluxSwitchIfEmpty.java:75)     at reactor.core.publisher.FluxMap$MapSubscriber.onComplete(FluxMap.java:136)     at reactor.core.publisher.FluxMap$MapSubscriber.onComplete(FluxMap.java:136)     at reactor.core.publisher.Operators.complete(Operators.java:135)     at reactor.core.publisher.MonoEmpty.subscribe(MonoEmpty.java:45)     at reactor.core.publisher.Mono.subscribe(Mono.java:4110)     at reactor.core.publisher.FluxConcatMap$ConcatMapImmediate.drain(FluxConcatMap.java:441)     at reactor.core.publisher.FluxConcatMap$ConcatMapImmediate.onSubscribe(FluxConcatMap.java:211)     at reactor.core.publisher.FluxIterable.subscribe(FluxIterable.java:161)     at reactor.core.publisher.FluxIterable.subscribe(FluxIterable.java:86)     at reactor.core.publisher.InternalMonoOperator.subscribe(InternalMonoOperator.java:55)     at reactor.core.publisher.MonoDefer.subscribe(MonoDefer.java:52)     at reactor.core.publisher.Mono.subscribe(Mono.java:4110)     at reactor.core.publisher.MonoIgnoreThen$ThenIgnoreMain.drain(MonoIgnoreThen.java:172)     at reactor.core.publisher.MonoIgnoreThen.subscribe(MonoIgnoreThen.java:56)     at reactor.core.publisher.InternalMonoOperator.subscribe(InternalMonoOperator.java:55)     at reactor.netty.http.server.HttpServerHandle.onStateChange(HttpServerHandle.java:64)     at reactor.netty.tcp.TcpServerBind$ChildObserver.onStateChange(TcpServerBind.java:228)     at reactor.netty.http.server.HttpServerOperations.onInboundNext(HttpServerOperations.java:465)     at reactor.netty.channel.ChannelOperationsHandler.channelRead(ChannelOperationsHandler.java:90)     at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:377)     at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363)     at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:355)     at reactor.netty.http.server.HttpTrafficHandler.channelRead(HttpTrafficHandler.java:170)     at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:377)     at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363)     at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:355)     at io.netty.channel.CombinedChannelDuplexHandler$DelegatingChannelHandlerContext.fireChannelRead(CombinedChannelDuplexHandler.java:436)     at io.netty.handler.codec.ByteToMessageDecoder.fireChannelRead(ByteToMessageDecoder.java:321)     at io.netty.handler.codec.ByteToMessageDecoder.channelRead(ByteToMessageDecoder.java:295)     at io.netty.channel.CombinedChannelDuplexHandler.channelRead(CombinedChannelDuplexHandler.java:251)     at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:377)     at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363)     at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:355)     at io.netty.channel.DefaultChannelPipeline$HeadContext.channelRead(DefaultChannelPipeline.java:1410)     at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:377)     at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:363)     at io.netty.channel.DefaultChannelPipeline.fireChannelRead(DefaultChannelPipeline.java:919)     at io.netty.channel.epoll.AbstractEpollStreamChannel$EpollStreamUnsafe.epollInReady(AbstractEpollStreamChannel.java:792)     at io.netty.channel.epoll.AbstractEpollChannel$AbstractEpollUnsafe$1.run(AbstractEpollChannel.java:387)     at io.netty.util.concurrent.AbstractEventExecutor.safeExecute(AbstractEventExecutor.java:164)     at io.netty.util.concurrent.SingleThreadEventExecutor.runAllTasks(SingleThreadEventExecutor.java:472)     at io.netty.channel.epoll.EpollEventLoop.run(EpollEventLoop.java:384)     at io.netty.util.concurrent.SingleThreadEventExecutor$4.run(SingleThreadEventExecutor.java:989)     at io.netty.util.internal.ThreadExecutorMap$2.run(ThreadExecutorMap.java:74)     at io.netty.util.concurrent.FastThreadLocalRunnable.run(FastThreadLocalRunnable.java:30)     at java.base\/java.lang.Thread.run(Thread.java:834)<\/code><\/pre>\n<\/div>\n<\/div>\n<p>  <\/p>\n<h1 id=\"router-function\">Router Function<\/h1>\n<p>  <\/p>\n<p>\u0414\u043b\u044f \u043d\u0430\u0447\u0430\u043b\u0430, \u0447\u0442\u043e \u0442\u0430\u043a\u043e\u0435 <a href=\"https:\/\/docs.spring.io\/spring\/docs\/current\/spring-framework-reference\/web-reactive.html#webflux-fn-router-functions\" rel=\"nofollow\">Router Function<\/a>. \u0414\u043b\u044f \u0440\u0435\u0433\u0438\u0441\u0442\u0440\u0430\u0446\u0438\u0438 \u0430\u0441\u0438\u043d\u0445\u0440\u043e\u043d\u043d\u043e\u0433\u043e API, \u043d\u0430\u0447\u0438\u043d\u0430\u044f \u0441 Spring Framework v5, \u043c\u043e\u0436\u043d\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0438\u0439 \u043f\u043e\u0434\u0445\u043e\u0434:<\/p>\n<p>  <\/p>\n<pre><code class=\"kotlin\">@Bean open fun httpEndpoints(): RouterFunction&lt;ServerResponse&gt; {     return coRouter {         GET(&quot;\/api\/users&quot;) {             ServerResponse                     .ok()                     .bodyValueAndAwait(&quot;Ok !!!!&quot;)         }         GET(&quot;\/api\/developers&quot;) {             ServerResponse                     .badRequest()                     .bodyValueAndAwait(&quot;Not ok (((&quot;)         }     } }<\/code><\/pre>\n<p>  <\/p>\n<p>\u041c\u0435\u0442\u043e\u0434 <code>GET<\/code> \u043f\u0440\u0438\u043d\u0438\u043c\u0430\u0435\u0442 \u043d\u0430 \u0432\u0445\u043e\u0434 \u0430\u0441\u0438\u043d\u0445\u0440\u043e\u043d\u043d\u0443\u044e \u0444\u0443\u043d\u043a\u0446\u0438\u044e <code>suspend (ServerRequest) -&gt; ServerResponse<\/code>, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u043c\u043e\u0436\u043d\u043e \u043f\u043e <code>ServerRequest<\/code> \u0441\u043e\u0437\u0434\u0430\u0442\u044c <code>ServerResponse<\/code>. \u0412\u0441\u0451 \u043f\u0440\u043e\u0441\u0442\u043e \u0438 \u043b\u043e\u0433\u0438\u0447\u043d\u043e. \u0418 \u0435\u0441\u043b\u0438 \u0432 \u0432\u0430\u0448\u0435\u043c \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0438 \u0435\u0441\u0442\u044c \u043d\u0430\u0431\u043e\u0440 \u0441\u0435\u0440\u0432\u0438\u0441\u043e\u0432, \u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u0440\u0430\u0431\u043e\u0442\u0430\u044e\u0442 \u043f\u043e \u0431\u043e\u043b\u0435\u0435-\u043c\u0435\u043d\u0435\u0435 \u043e\u0434\u0438\u043d\u0430\u043a\u043e\u0432\u043e\u0439 \u0441\u0445\u0435\u043c\u0435, \u0442\u043e \u0432\u044b \u043c\u043e\u0436\u0435\u0442\u0435 \u0438\u0445 \u0441\u0432\u0435\u0441\u0442\u0438 \u043a \u0441\u043b\u0435\u0434\u0443\u044e\u0449\u0435\u0439 \u043c\u043e\u0434\u0435\u043b\u0438 (\u043a\u0430\u0437\u0430\u043b\u043e\u0441\u044c \u0431\u044b):<\/p>\n<p>  <\/p>\n<pre><code class=\"kotlin\">@Bean open fun httpEndpoints(): RouterFunction&lt;ServerResponse&gt; {     \/\/ \u0441\u0440\u0430\u0437\u0443 \u0441\u043a\u0430\u0436\u0443 - \u0442\u0430\u043a \u0434\u0435\u043b\u0430\u0442\u044c \u043d\u0435 \u043d\u0430\u0434\u043e     val urlToMethod: Map&lt;String, RequestProcessor&gt; = createRequestProcessors()     return coRouter {         urlToMethod.forEach { url, processor -&gt; \/\/ forEach \u0437\u0434\u0435\u0441\u044c \u043d\u0435 \u0443\u043c\u0435\u0441\u0442\u0435\u043d             GET(&quot;\/$url&quot;) {                 processor.createResponse(it)             }         }     } }<\/code><\/pre>\n<p>  <\/p>\n<p>\u0412 \u0438\u0442\u043e\u0433\u0435, \u0435\u0441\u043b\u0438 \u0443 \u0432\u0430\u0441 \u0431\u043e\u043b\u044c\u0448\u0438\u043d\u0441\u0442\u0432\u043e API \u043c\u0435\u0442\u043e\u0434\u043e\u0432 \u0432 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u0438 \u0431\u0435\u0440\u0443\u0442 \u043d\u0430 \u0432\u0445\u043e\u0434 \u043f\u0440\u0438\u043c\u0435\u0440\u043d\u043e \u043e\u0434\u043d\u043e \u0438 \u0442\u043e \u0436\u0435, \u0442\u043e \u043c\u043e\u0436\u043d\u043e \u0432\u044b\u0434\u0435\u043b\u0438\u0442\u044c \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441 \u0438 \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u043e\u0434\u0438\u043d \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a (\u043a\u0430\u043a \u043e\u043f\u0438\u0441\u0430\u043d\u043e \u0432\u044b\u0448\u0435). \u041f\u043e\u043b\u0443\u0447\u0430\u0435\u0442\u0441\u044f \u044f\u0432\u043d\u044b\u0439 \u043a\u043e\u0434, \u0431\u0435\u0437 \u043c\u0430\u0433\u0438\u0438 \u0430\u043d\u043d\u043e\u0442\u0430\u0446\u0438\u0439 \u0438 \u043f\u0440.<\/p>\n<p>  <\/p>\n<h1 id=\"kak-rabotaet-router-function\">\u041a\u0430\u043a \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 Router Function?<\/h1>\n<p>  <\/p>\n<p>\u0418\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441 <a href=\"https:\/\/github.com\/spring-projects\/spring-framework\/blob\/master\/spring-webflux\/src\/main\/java\/org\/springframework\/web\/reactive\/function\/server\/RouterFunction.java\" rel=\"nofollow\">RouterFunction \u0437\u0434\u0435\u0441\u044c<\/a>, \u043e\u0434\u043d\u0430\u043a\u043e \u043d\u0430 \u043c\u043e\u043c\u0435\u043d\u0442 \u043d\u0430\u043f\u0438\u0441\u0430\u043d\u0438\u044f \u0441\u0442\u0430\u0442\u044c\u0438 \u043e\u043d \u0432\u044b\u0433\u043b\u044f\u0434\u0435\u043b \u0442\u0430\u043a:<\/p>\n<p>  <\/p>\n<pre><code class=\"java\">@FunctionalInterface public interface RouterFunction&lt;T extends ServerResponse&gt; {     Mono&lt;HandlerFunction&lt;T&gt;&gt; route(ServerRequest request);      default RouterFunction&lt;T&gt; and(RouterFunction&lt;T&gt; other) {         return new RouterFunctions.SameComposedRouterFunction&lt;&gt;(this, other);     }      default RouterFunction&lt;?&gt; andOther(RouterFunction&lt;?&gt; other) {         return new RouterFunctions.DifferentComposedRouterFunction(this, other);     }      default RouterFunction&lt;T&gt; andRoute(RequestPredicate predicate, HandlerFunction&lt;T&gt; handlerFunction) {         return and(RouterFunctions.route(predicate, handlerFunction));     }      default RouterFunction&lt;T&gt; andNest(RequestPredicate predicate, RouterFunction&lt;T&gt; routerFunction) {         return and(RouterFunctions.nest(predicate, routerFunction));     }      default &lt;S extends ServerResponse&gt; RouterFunction&lt;S&gt; filter(HandlerFilterFunction&lt;T, S&gt; filterFunction) {         return new RouterFunctions.FilteredRouterFunction&lt;&gt;(this, filterFunction);     }      default void accept(RouterFunctions.Visitor visitor) {         visitor.unknown(this);     } }<\/code><\/pre>\n<p>  <\/p>\n<p>\u041a\u0430\u043a \u0432\u0438\u0434\u043d\u043e, \u043e\u043d \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u0435\u0442 \u0430\u0441\u0438\u043d\u0445\u0440\u043e\u043d\u043d\u043e \u0438 \u043a\u0430\u0441\u043a\u0430\u0434\u043d\u043e \u043d\u0430\u0445\u043e\u0434\u0438\u0442\u044c \u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u044b\u0439 \u043e\u0431\u0440\u0430\u0431\u043e\u0442\u0447\u0438\u043a \u0434\u043b\u044f \u0432\u0445\u043e\u0434\u043d\u043e\u0433\u043e url. \u0423\u0441\u043b\u043e\u0432\u043d\u043e, \u0443 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u0435\u0441\u0442\u044c \u0442\u0440\u0438 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u0430:<\/p>\n<p>  <\/p>\n<ol>\n<li>\u041e\u0431\u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u0437\u0430\u043f\u0440\u043e\u0441<\/li>\n<li>\u0421\u0434\u0435\u043b\u0435\u0433\u0438\u0440\u043e\u0432\u0430\u0442\u044c \u0437\u0430\u043f\u0440\u043e\u0441 \u0432\u043b\u043e\u0436\u0435\u043d\u043d\u043e\u0439 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 (\u0438 \u043e\u0442\u043a\u0443\u0441\u0438\u0432 \u043f\u0440\u0435\u0444\u0438\u043a\u0441)<\/li>\n<li>\u041e\u0442\u0432\u0435\u0440\u0433\u043d\u0443\u0442\u044c \u0437\u0430\u043f\u0440\u043e\u0441, \u0432\u0435\u0440\u043d\u0443\u0432 <code>Mono.empty()<\/code>, \u0447\u0442\u043e \u043e\u0437\u043d\u0430\u0447\u0430\u0435\u0442 &quot;\u0437\u0430 \u044d\u0442\u043e\u0442 url \u044f \u043d\u0435 \u043e\u0442\u0432\u0435\u0447\u0430\u044e&quot;.<\/li>\n<\/ol>\n<p>  <\/p>\n<p>\u041a\u0430\u043a \u0440\u0435\u0437\u0443\u043b\u044c\u0442\u0430\u0442, \u0435\u0441\u0442\u044c \u0430\u0431\u0441\u0442\u0440\u0430\u043a\u0442\u044b\u0439 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441, \u043a \u043a\u043e\u0442\u043e\u0440\u043e\u043c\u0443 \u043c\u043e\u0436\u043d\u043e \u0434\u043e\u0431\u0430\u0432\u043b\u044f\u0442\u044c \u043d\u043e\u0432\u044b\u0435 \u0438 \u043d\u043e\u0432\u044b\u0435 \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438. \u041c\u043e\u0436\u043d\u043e \u0434\u0430\u0436\u0435 \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u043f\u0440\u043e\u043a\u0441\u0438-\u0441\u0435\u0440\u0432\u0435\u0440, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u0432 \u043a\u0430\u0436\u0434\u044b\u0439 \u043c\u043e\u043c\u0435\u043d\u0442 \u0432\u0440\u0435\u043c\u0435\u043d\u0438 \u043d\u0435 \u0437\u043d\u0430\u0435\u0442, \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u0435\u043d \u043b\u0438 URL (\u0442.\u0435. \u043e\u043d \u043c\u043e\u0436\u0435\u0442 \u0441\u043f\u0440\u043e\u0441\u0438\u0442\u044c \u043e \u043a\u043e\u0440\u0440\u0435\u043a\u0442\u043d\u043e\u0441\u0442\u0438 \u0443 \u043e\u0434\u043d\u043e\u0433\u043e \u0438\u0437 \u0434\u0440\u0443\u0433\u0438\u0445 \u0441\u0435\u0440\u0432\u0435\u0440\u043e\u0432). \u0412 \u0438\u0442\u043e\u0433\u0435, \u043c\u044b \u043f\u043e\u043b\u0443\u0447\u0430\u0435\u043c \u0440\u0430\u0441\u0448\u0438\u0440\u044f\u0435\u043c\u0443\u044e \u0441\u0438\u0441\u0442\u0435\u043c\u0443, \u0432 \u043a\u043e\u0442\u043e\u0440\u043e\u0439 \u0435\u0441\u0442\u044c \u0443\u0436\u0435 \u0433\u043e\u0442\u043e\u0432\u0430\u044f \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f (\u0441 \u043c\u0435\u0442\u043e\u0434\u0430\u043c\u0438 <code>GET<\/code>, \u043a\u0430\u043a \u0432\u044b\u0448\u0435), \u043e\u0434\u043d\u0430\u043a\u043e \u043d\u0438\u043a\u0442\u043e \u043d\u0435 \u043c\u0435\u0448\u0430\u0435\u0442 \u0441\u0434\u0435\u043b\u0430\u0442\u044c \u0441\u0432\u043e\u044e (\u0441 \u0440\u0443\u043b\u0435\u043c, \u0441\u0435\u0434\u043b\u043e\u043c, \u043f\u0435\u0434\u0430\u043b\u044f\u043c\u0438 \u0438 \u0442.\u0434.).<\/p>\n<p>  <\/p>\n<p>\u0410 \u0442\u0435\u043f\u0435\u0440\u044c \u0432\u0435\u0440\u043d\u0435\u043c\u0441\u044f \u043a \u043f\u0440\u0438\u043c\u0435\u0440\u0443 \u0432\u044b\u0448\u0435:<\/p>\n<p>  <\/p>\n<pre><code class=\"kotlin\">@Bean open fun httpEndpoints(): RouterFunction&lt;ServerResponse&gt; {     \/\/ \u0441\u0440\u0430\u0437\u0443 \u0441\u043a\u0430\u0436\u0443 - \u0442\u0430\u043a \u0434\u0435\u043b\u0430\u0442\u044c \u043d\u0435 \u043d\u0430\u0434\u043e     val urlToMethod: Map&lt;String, RequestProcessor&gt; = createRequestProcessors()     return coRouter {         urlToMethod.forEach { url, processor -&gt; \/\/ forEach \u0437\u0434\u0435\u0441\u044c \u043d\u0435 \u0443\u043c\u0435\u0441\u0442\u0435\u043d             GET(&quot;\/$url&quot;) {                 processor.createResponse(it)             }         }     } }<\/code><\/pre>\n<p>  <\/p>\n<p>\u041a\u0430\u043a \u044f \u0434\u0443\u043c\u0430\u044e, \u0432\u044b \u0443\u0436\u0435 \u043f\u043e\u043d\u044f\u043b\u0438, \u0447\u0442\u043e \u043d\u0430 \u0434\u0435\u043b\u0435 \u043a\u0430\u0436\u0434\u044b\u0439 \u0432\u044b\u0437\u043e\u0432 \u043c\u0435\u0442\u043e\u0434\u0430 <code>GET<\/code> \u0441\u043e\u0437\u0434\u0430\u0435\u0442 \u043d\u043e\u0432\u0443\u044e <code>RouterFunction<\/code>. \u0418 \u043a\u0430\u0436\u0434\u0430\u044f \u0438\u0437 \u043d\u0438\u0445 \u043f\u0440\u043e\u0432\u0435\u0440\u044f\u0435\u0442, \u0447\u0442\u043e URL \u0441\u043e\u0432\u043f\u0430\u043b (\u0438\u043b\u0438 \u043d\u0435 \u0441\u043e\u0432\u043f\u0430\u043b), \u0430 \u043f\u043e\u0442\u043e\u043c \u043f\u0435\u0440\u0435\u043a\u043b\u044e\u0447\u0430\u0435\u0442\u0441\u044f \u0434\u0430\u043b\u044c\u0448\u0435. \u0415\u0441\u043b\u0438 \u043d\u0430 \u0432\u0445\u043e\u0434 \u043f\u0440\u0438\u0434\u0435\u0442 \u043d\u0435\u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u043c\u044b\u0439 \u0430\u0434\u0440\u0435\u0441, \u0442\u043e \u043a\u0430\u0436\u0434\u0430\u044f \u0444\u0443\u043d\u043a\u0446\u0438\u044f \u0435\u0433\u043e \u043f\u0440\u043e\u0432\u0435\u0440\u0438\u0442. \u0422\u043e \u0435\u0441\u0442\u044c, \u0434\u043b\u044f \u0430\u0434\u0440\u0435\u0441\u0430 \u0440\u0430\u0437\u043c\u0435\u0440\u0430 <code>N<\/code>, \u0441\u043b\u043e\u0436\u043d\u043e\u0441\u0442\u044c \u043f\u043e\u0438\u0441\u043a\u0430 \u0440\u0430\u0431\u043e\u0447\u0435\u0439 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 \u0431\u0443\u0434\u0435\u0442 <code>O(N*M*K)<\/code>, \u0433\u0434\u0435 <code>M<\/code> \u2014 \u0441\u0440\u0435\u0434\u043d\u044f\u044f \u0434\u043b\u0438\u043d\u0430 \u0430\u0434\u0440\u0435\u0441\u0430 \u0432 \u0444\u0443\u043d\u043a\u0446\u0438\u0438, \u0430 <code>K<\/code> \u2014 \u0447\u0438\u0441\u043b\u043e <code>RouterFunction<\/code> (\u0433\u043e\u0432\u043e\u0440\u044f \u0434\u0440\u0443\u0433\u0438\u043c\u0438 \u0441\u043b\u043e\u0432\u0430\u043c\u0438, \u0435\u0441\u043b\u0438 \u0443\u0434\u0432\u043e\u0438\u0442\u044c \u0447\u0438\u0441\u043b\u043e \u043c\u0430\u0440\u0448\u0440\u0443\u0442\u043e\u0432 \u0441\u0430\u0439\u0442\u0430, \u0442\u043e \u0432\u0440\u0435\u043c\u044f \u043f\u043e\u0438\u0441\u043a\u0430 \u043f\u0440\u0430\u0432\u0438\u043b\u044c\u043d\u043e\u0433\u043e \u0443\u0432\u0435\u043b\u0438\u0447\u0438\u0442\u0441\u044f \u0432\u0434\u0432\u043e\u0435, \u0447\u0442\u043e \u0441\u0442\u0440\u0430\u043d\u043d\u043e, \u0442\u0430\u043a \u043a\u0430\u043a \u0442\u043e\u0442 \u0436\u0435 <code>switch<\/code> \u0432 Java \u043d\u0435 \u043e\u0431\u043b\u0430\u0434\u0430\u0435\u0442 \u0442\u0430\u043a\u0438\u043c \u0441\u0432\u043e\u0439\u0441\u0442\u0432\u043e\u043c). \u0425\u0443\u0436\u0435 \u0432\u0441\u0435\u0433\u043e \u0442\u043e, \u0447\u0442\u043e \u043d\u0430 \u043a\u0430\u0436\u0434\u043e\u0439 \u0438\u0442\u0435\u0440\u0430\u0446\u0438\u0438 \u0441\u043e\u0437\u0434\u0430\u0435\u0442\u0441\u044f \u0435\u0449\u0435 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u043e\u0431\u044a\u0435\u043a\u0442\u043e\u0432 \u0432 \u043a\u0443\u0447\u0435 (\u0434\u043b\u044f \u0430\u0441\u0438\u043d\u0445\u0440\u043e\u043d\u043d\u043e\u0441\u0442\u0438), \u0447\u0442\u043e \u0432\u0440\u044f\u0434 \u043b\u0438 \u0434\u0430\u0435\u0442 \u0443\u0441\u043a\u043e\u0440\u0435\u043d\u0438\u0435 \u0432\u0441\u0435\u0439 \u0441\u0438\u0441\u0442\u0435\u043c\u0435.<\/p>\n<p>  <\/p>\n<p>\u041a\u0430\u0437\u0430\u043b\u043e\u0441\u044c \u0431\u044b, \u0435\u0441\u043b\u0438 \u0432\u0441\u0435 \u0430\u0434\u0440\u0435\u0441\u0430 \u0441\u0442\u0430\u0442\u0438\u0447\u0435\u0441\u043a\u0438\u0435 (\u0438\u043b\u0438, \u043f\u043e-\u0434\u0440\u0443\u0433\u043e\u043c\u0443, \u0441\u0435\u0440\u0432\u0435\u0440 \u0437\u0430\u0440\u0430\u043d\u0435\u0435 \u0437\u043d\u0430\u0435\u0442 \u0432\u0441\u0435 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u043c\u044b\u0435), \u0442\u043e \u043c\u043e\u0436\u043d\u043e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c <a href=\"https:\/\/ru.wikipedia.org\/wiki\/%D0%9F%D1%80%D0%B5%D1%84%D0%B8%D0%BA%D1%81%D0%BD%D0%BE%D0%B5_%D0%B4%D0%B5%D1%80%D0%B5%D0%B2%D0%BE\" rel=\"nofollow\">\u043f\u0440\u0435\u0444\u0438\u043a\u0441\u043d\u043e\u0435 \u0434\u0435\u0440\u0435\u0432\u043e<\/a>. \u042d\u0442\u043e\u0442 \u0430\u043b\u0433\u043e\u0440\u0438\u0442\u043c \u0437\u0430\u0447\u0430\u0441\u0442\u0443\u044e \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f, \u043d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0434\u043b\u044f \u043f\u043e\u0438\u0441\u043a\u0430 \u043d\u0430 web \u0441\u0442\u0440\u0430\u043d\u0438\u0446\u0430\u0445. \u0415\u0433\u043e \u043c\u0438\u043d\u0443\u0441 \u0432 \u0442\u043e\u043c, \u0447\u0442\u043e \u043d\u0430\u0434\u043e \u0437\u0430\u0440\u0430\u043d\u0435\u0435 \u0437\u043d\u0430\u0442\u044c \u0432\u0441\u0435 \u0432\u043e\u0437\u043c\u043e\u0436\u043d\u044b\u0435 \u0432\u0430\u0440\u0438\u0430\u043d\u0442\u044b, \u043e\u0434\u043d\u0430\u043a\u043e \u0434\u0430\u043b\u0435\u0435 \u043e\u043d \u0440\u0430\u0431\u043e\u0442\u0430\u0435\u0442 \u0441\u043e \u0441\u043b\u043e\u0436\u043d\u043e\u0441\u0442\u044c\u044e <code>O(min(M, N))<\/code>, \u0433\u0434\u0435 <code>N<\/code> \u2014 \u044d\u0442\u043e \u0434\u043b\u0438\u043d\u0430 \u0430\u0434\u0440\u0435\u0441\u0430, <code>M<\/code> \u2014 \u044d\u0442\u043e \u0438\u043b\u0438 \u0434\u043b\u0438\u043d\u0430 \u0441\u043e\u0432\u043f\u0430\u0432\u0448\u0435\u0433\u043e \u043f\u0440\u0435\u0444\u0438\u043a\u0441\u0430, \u0438\u043b\u0438 \u043c\u0430\u043a\u0441\u0438\u043c\u0430\u043b\u044c\u043d\u0430\u044f \u0434\u043b\u0438\u043d\u0430 \u043f\u0440\u0435\u0444\u0438\u043a\u0441\u0430.<\/p>\n<p>  <\/p>\n<h1 id=\"kak-s-etim-borotsya\">\u041a\u0430\u043a \u0441 \u044d\u0442\u0438\u043c \u0431\u043e\u0440\u043e\u0442\u044c\u0441\u044f?<\/h1>\n<p>  <\/p>\n<p>\u0412\u0430\u0440\u0438\u0430\u043d\u0442 1: \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c pattern. \u041d\u0430\u043f\u0440\u0438\u043c\u0435\u0440, \u0435\u0441\u043b\u0438 \u0432\u0441\u0435 \u043f\u043e\u0434\u0434\u0435\u0440\u0436\u0438\u0432\u0430\u0435\u043c\u044b\u0435 \u0430\u0434\u0440\u0435\u0441\u0430 \u043c\u043e\u0436\u043d\u043e \u0432\u044b\u0440\u0430\u0437\u0438\u0442\u044c \u0441\u0442\u0440\u043e\u043a\u043e\u0439 <code>\/[static-prefix]\/[suffix]<\/code>, \u0433\u0434\u0435 <code>static-prefix<\/code> \u0434\u043b\u044f \u0432\u0441\u0435\u0445 \u043e\u0434\u0438\u043d, \u0442\u043e \u043c\u043e\u0436\u043d\u043e \u0432\u044b\u0440\u0430\u0437\u0438\u0442\u044c \u0437\u0430\u043f\u0440\u043e\u0441 \u0442\u0430\u043a:<\/p>\n<p>  <\/p>\n<pre><code class=\"java\">GET(&quot;\/static-prefix\/{suffix}&quot;),        req -&gt; ok().body(           execute(               req.pathVariable(&quot;suffix&quot;)           )         )<\/code><\/pre>\n<p>  <\/p>\n<p>\u041f\u043e\u043b\u043d\u044b\u0439 \u043f\u0440\u0438\u043c\u0435\u0440 <a href=\"https:\/\/www.baeldung.com\/spring-5-functional-web\" rel=\"nofollow\">\u043c\u043e\u0436\u043d\u043e \u043f\u043e\u0441\u043c\u043e\u0442\u0440\u0435\u0442\u044c \u0437\u0434\u0435\u0441\u044c<\/a>. \u0415\u0441\u043b\u0438 \u0443\u0441\u0442\u0440\u043e\u0438\u0442\u044c <code>switch<\/code> \u043f\u043e \u0441\u0443\u0444\u0438\u043a\u0441\u0443, \u0442\u043e \u0440\u0435\u0448\u0435\u043d\u0438\u0435 \u0431\u0443\u0434\u0435\u0442 \u0440\u0430\u0431\u043e\u0442\u0430\u0442\u044c \u0437\u0430 \u043b\u0438\u043d\u0435\u0439\u043d\u043e\u0435 \u0432\u0440\u0435\u043c\u044f \u043e\u0442 \u0437\u0430\u043f\u0440\u043e\u0441\u0430 (\u043d\u0430\u043f\u043e\u043c\u043d\u044e, \u0447\u0442\u043e \u0432 <code>Java<\/code>\/<code>Kotlin<\/code>\/<code>Scala<\/code> <code>switch<\/code> \u043f\u043e \u0441\u0442\u0440\u043e\u043a\u0435 \u0432\u044b\u0441\u0447\u0438\u0442\u044b\u0432\u0430\u0435\u0442 \u0441\u043d\u0430\u0447\u0430\u043b\u0430 \u0445\u0435\u0448, \u0438 \u0442\u043e\u043b\u044c\u043a\u043e \u043f\u043e\u0442\u043e\u043c \u0434\u0435\u043b\u0430\u0435\u0442 \u0441\u0440\u0430\u0432\u043d\u0435\u043d\u0438\u0435 \u0441\u0438\u043c\u0432\u043e\u043b\u043e\u0432, \u0447\u0442\u043e\u0431\u044b \u0438\u0437\u0431\u0435\u0436\u0430\u0442\u044c \u043a\u043e\u043b\u043b\u0438\u0437\u0438\u0439).<\/p>\n<p>  <\/p>\n<p>\u0412\u0430\u0440\u0438\u0430\u043d\u0442 2: \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u044c \u0438\u0435\u0440\u0430\u0440\u0445\u0438\u044e \u0432 \u0444\u0443\u043d\u043a\u0446\u0438\u044f\u0445. \u041a\u0430\u043a \u043f\u0440\u0438\u043c\u0435\u0440 \u043a\u043e\u0434\u0430 <a href=\"https:\/\/www.baeldung.com\/spring-mvc-functional-controllers\" rel=\"nofollow\">\u043e\u0442\u0441\u044e\u0434\u0430<\/a>:<\/p>\n<p>  <\/p>\n<pre><code class=\"java\">public RouterFunction&lt;ServerResponse&gt; productSearch(ProductService ps) {     return route().nest(         RequestPredicates.path(&quot;\/product&quot;),          builder -&gt; { \/\/ \u043c\u044b \u043c\u043e\u0436\u0435\u043c \u0434\u043e\u0431\u0430\u0432\u0438\u0442\u044c \u0441\u043a\u043e\u043b\u044c\u043a\u043e \u0443\u0433\u043e\u0434\u043d\u043e \u0444\u0443\u043d\u043a\u0446\u0438\u0439 \u0441\u044e\u0434\u0430                 builder.GET(&quot;\/name\/{name}&quot;, req -&gt; ok().body(ps.findByName(req.pathVariable(&quot;name&quot;))));             }         ).build(); }<\/code><\/pre>\n<p>  <\/p>\n<h1>&#8230;<\/h1>\n<p>  <\/p>\n<p>\u0418 \u0432 \u0437\u0430\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0438: \u0435\u0441\u043b\u0438 \u0443 \u0432\u0430\u0448\u0435\u0433\u043e \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f \u043d\u0435\u0442 \u0431\u043e\u043b\u0435\u0435-\u043c\u0435\u043d\u0435\u0435 \u0441\u0435\u0440\u044c\u0435\u0437\u043d\u043e\u0439 \u043d\u0430\u0433\u0440\u0443\u0437\u043a\u0438, \u0442\u043e \u043f\u043e\u0434\u043e\u0431\u043d\u044b\u0435 \u043e\u043f\u0442\u0438\u043c\u0438\u0437\u0430\u0446\u0438\u0438 \u0431\u0435\u0441\u0441\u043c\u044b\u0441\u043b\u0435\u043d\u043d\u044b. \u0421\u0431\u043e\u0440\u0449\u0438\u043a \u043c\u0443\u0441\u043e\u0440\u0430 \u0441\u0442\u0435\u0440\u043f\u0438\u0442, \u0430 \u0437\u0430\u043e\u0434\u043d\u043e \u043a\u043e\u0434 \u043f\u043e\u043b\u0443\u0447\u0430\u0435\u0442\u0441\u044f \u043f\u0440\u043e\u0441\u0442\u044b\u043c \u0434\u043b\u044f \u0447\u0442\u0435\u043d\u0438\u044f. \u041e\u0434\u043d\u0430\u043a\u043e \u0435\u0441\u043b\u0438 \u0432\u0430\u0448 \u0441\u0430\u0439\u0442 \u043f\u043e\u0441\u0442\u043e\u044f\u043d\u043d\u043e \u0433\u0440\u0443\u0437\u044f\u0442 \u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u0442\u0435\u043b\u0438, \u0442\u043e \u043c\u043e\u0436\u043d\u043e \u0443\u0441\u043a\u043e\u0440\u0438\u0442\u044c \u0441\u0435\u0440\u0432\u0438\u0441 \u043f\u0443\u0442\u0435\u043c \u0443\u043c\u0435\u043d\u044c\u0448\u0435\u043d\u0438\u044f \u0447\u0438\u0441\u043b\u043e \u0440\u043e\u0443\u0442\u0435\u0440\u043e\u0432.<\/p>\n<p>  <\/p>\n<p>\u041a\u0430\u043a \u0432\u0438\u0434\u043d\u043e, \u0438\u0437-\u0437\u0430 \u0430\u0431\u0441\u0442\u0440\u0430\u043d\u0446\u0438\u0439 \u0438 \u0438\u0434\u0435\u0438 \u0440\u0430\u0441\u0448\u0438\u0440\u044f\u0435\u043c\u043e\u0441\u0442\u0438, \u043d\u0435 \u0441\u0442\u043e\u0438\u0442 \u043f\u043e\u043b\u0430\u0433\u0430\u0442\u044c\u0441\u044f \u043d\u0430 \u0442\u043e, \u0447\u0442\u043e \u043a\u043e\u043c\u0430\u043d\u0434\u0430 Spring \u0432\u0441\u0451 \u0432\u043e\u043b\u0448\u0435\u0431\u043d\u044b\u043c \u043e\u0431\u0440\u0430\u0437\u043e\u043c \u0443\u0441\u043a\u043e\u0440\u0438\u0442. \u041b\u0443\u0447\u0448\u0435 \u043f\u0440\u043e\u0441\u0442\u043e \u0443\u043f\u0440\u043e\u0441\u0442\u0438\u0442\u044c \u043a\u043e\u043d\u0444\u0438\u0433\u0443\u0440\u0430\u0446\u0438\u044e.<\/p>\n<\/div>\n<p> \u0441\u0441\u044b\u043b\u043a\u0430 \u043d\u0430 \u043e\u0440\u0438\u0433\u0438\u043d\u0430\u043b \u0441\u0442\u0430\u0442\u044c\u0438 <a href=\"https:\/\/habr.com\/ru\/post\/493448\/\"> https:\/\/habr.com\/ru\/post\/493448\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"\n<div class=\"post__text post__text-html post__text_v1\" id=\"post-content-body\" data-io-article-url=\"https:\/\/habr.com\/ru\/post\/493448\/\">\n<p><img decoding=\"async\" src=\"https:\/\/habrastorage.org\/webt\/td\/xr\/rb\/tdxrrbrbizd7ifwheplhgwmz_h4.jpeg\"><\/p>\n<p>  <\/p>\n<p><em><a href=\"https:\/\/fatcatart.com\/?attachment_id=713&amp;lang=en\" rel=\"nofollow\">\u0412\u0438\u043a\u0442\u043e\u0440 \u0412\u0430\u0441\u043d\u0435\u0446\u043e\u0432, \u0420\u044b\u0446\u0430\u0440\u044c \u043d\u0430 \u0440\u0430\u0441\u043f\u0443\u0442\u044c\u0435; fatcatart.com<\/a><\/em><\/p>\n<p>  <\/p>\n<p>\u041f\u0440\u0438\u0432\u0435\u0442, \u0425\u0430\u0431\u0440! \u0417\u0434\u0435\u0441\u044c \u043a\u0440\u0430\u0442\u043a\u0438\u0439 \u043f\u0435\u0440\u0435\u0441\u043a\u0430\u0437 <a href=\"https:\/\/github.com\/spring-projects\/spring-framework\/issues\/24652\" rel=\"nofollow\">\u0438\u043d\u0442\u0435\u0440\u0435\u0441\u043d\u043e\u0439 \u0431\u0430\u0433\u0438 c GitHub<\/a>. \u0414\u043b\u044f \u0432\u043e\u0441\u043f\u0440\u043e\u0438\u0437\u0432\u0435\u0434\u0435\u043d\u0438\u044f \u0441\u043c. \u043f\u0440\u043e\u0435\u043a\u0442 <a href=\"https:\/\/github.com\/imanushin\/spring-flux-callstack\" rel=\"nofollow\">spring-flux-callstack<\/a>.<\/p>\n<p>  <\/p>\n<p>\u041d\u0435 \u0442\u0430\u043a \u0434\u0430\u0432\u043d\u043e \u044f \u0437\u0430\u043c\u0435\u0442\u0438\u043b, \u0447\u0442\u043e \u043f\u0440\u0438 \u043e\u0448\u0438\u0431\u043a\u0430\u0445 \u043f\u0440\u0438\u043b\u043e\u0436\u0435\u043d\u0438\u044f, \u0441\u0442\u0435\u043a\u0442\u0440\u0435\u0439\u0441 \u0438\u043d\u043e\u0433\u0434\u0430 \u0434\u043e\u0432\u043e\u043b\u044c\u043d\u043e \u0434\u043b\u0438\u043d\u043d\u044b\u0439. \u0418 \u0432 \u043d\u0435\u043c \u043f\u043e\u0432\u0442\u043e\u0440\u044f\u043b\u043e\u0441\u044c \u043f\u043e \u043c\u043d\u043e\u0433\u0443 \u0440\u0430\u0437 \u043e\u0434\u0438\u043d \u0438 \u0442\u043e\u0442 \u0436\u0435 \u043d\u0430\u0431\u043e\u0440 \u0441\u0442\u0440\u043e\u043a (\u0441\u0430\u043c \u0441\u0442\u0435\u043a\u0442\u0440\u0435\u0439\u0441 \u043f\u043e\u0434 \u043a\u0430\u0442\u043e\u043c):<\/p>\n<p>  <\/p>\n<pre><code class=\"plaintext\">at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onComplete(FluxSwitchIfEmpty.java:75) at reactor.core.publisher.FluxSwitchIfEmpty$SwitchIfEmptySubscriber.onComplete(FluxSwitchIfEmpty.java:78) at reactor.core.publisher.Operators.complete(Operators.java:135) at reactor.core.publisher.MonoEmpty.subscribe(MonoEmpty.java:45) at reactor.core.publisher.MonoDefer.subscribe(MonoDefer.java:52) at reactor.core.publisher.Mono.subscribe(Mono.java:4110)<\/code><\/pre>\n<p>  <\/p>\n<p>\u041a\u0430\u043a \u0432\u044b \u0443\u0436\u0435 \u043f\u043e\u043d\u044f\u043b\u0438, \u044d\u0442\u043e \u043c\u0435\u0442\u043e\u0434\u044b \u0438\u0437 <a href=\"https:\/\/projectreactor.io\/\" rel=\"nofollow\">Project Reactor<\/a>, \u043a\u043e\u0442\u043e\u0440\u044b\u0439 \u043e\u0431\u0435\u0441\u043f\u0435\u0447\u0438\u0432\u0430\u0435\u0442 \u0430\u0441\u0438\u043d\u0445\u0440\u043e\u043d\u043d\u0443\u044e \u0440\u0430\u0431\u043e\u0442\u0443 \u0434\u043b\u044f <a href=\"https:\/\/docs.spring.io\/spring\/docs\/current\/spring-framework-reference\/web-reactive.html#webflux-fn-router-functions\" rel=\"nofollow\">Router Function<\/a> \u0432 <a href=\"https:\/\/docs.spring.io\/spring\/docs\/current\/spring-framework-reference\/web-reactive.html\" rel=\"nofollow\">WebFlux<\/a>.<\/p>\n<p>  <\/p>\n<p>\u041d\u0430\u043b\u0438\u0446\u043e \u043d\u0435\u044d\u0444\u0444\u0435\u043a\u0442\u0438\u0432\u043d\u043e\u0441\u0442\u044c, \u0432\u0435\u0434\u044c \u043a\u0430\u0436\u0434\u044b\u0439 \u0442\u0430\u043a\u043e\u0439 \u0431\u043b\u043e\u043a \u043a\u043e\u0434\u0430 \u043f\u043e\u0440\u043e\u0436\u0434\u0430\u0435\u0442 \u043d\u0435\u0441\u043a\u043e\u043b\u044c\u043a\u043e \u043e\u0431\u044a\u0435\u043a\u0442\u043e\u0432 \u0432 \u043a\u0443\u0447\u0435, \u0430 \u0442\u0430\u043a\u0438\u0445 \u0431\u043b\u043e\u043a\u043e\u0432 \u043c\u043d\u043e\u0433\u043e. \u0418 \u0441\u043e\u0437\u0434\u0430\u044e\u0441\u044f \u043e\u043d\u0438 \u043d\u0430 \u043a\u0430\u0436\u0434\u044b\u0439 \u0432\u044b\u0437\u043e\u0432.<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-300500","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts\/300500","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=300500"}],"version-history":[{"count":0,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts\/300500\/revisions"}],"wp:attachment":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=300500"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=300500"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=300500"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}