Spring boot webflux test1

DemoApplication.java

package com.example.demo;

import lombok.AllArgsConstructor;
import lombok.Data;
import org.reactivestreams.Processor;
import org.reactivestreams.Publisher;
import org.reactivestreams.Subscriber;
import org.reactivestreams.Subscription;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.ApplicationContext;
import org.springframework.http.MediaType;
import org.springframework.http.server.reactive.HttpHandler;
import org.springframework.http.server.reactive.ReactorHttpHandlerAdapter;
import org.springframework.web.reactive.function.server.*;
import reactor.core.publisher.Flux;
import reactor.core.publisher.Mono;
import reactor.core.publisher.ReplayProcessor;
import reactor.core.publisher.TopicProcessor;
import reactor.ipc.netty.http.server.HttpServer;

import java.util.Optional;

import static org.springframework.web.reactive.function.server.RequestPredicates.*;
import static org.springframework.web.reactive.function.BodyInserters.*;
import static org.springframework.web.reactive.function.server.RouterFunctions.*;


//@SpringBootApplication
public class DemoApplication {

	public static void main(String[] args) throws InterruptedException {
//        ApplicationContext ctx = SpringApplication.run(DemoApplication.class, args);
        ReplayProcessor<ResponseData> processor = ReplayProcessor.create();//"words", 1024);
        ;

        Flux<ResponseData> allFromProcessor = Flux.from(processor).cache();

        HandlerFunction words = request -> {
            return ServerResponse.ok()
                    .contentType(MediaType.APPLICATION_STREAM_JSON)
                    .body(processor.replay().autoConnect(), ResponseData.class);
        };

        HandlerFunction echo = request -> {
            Optional<String> said = request.queryParam("phrase");
            said.ifPresent(s->processor.onNext(new ResponseData(s)));
            return ServerResponse.ok().body(fromObject(new ResponseData(request.queryParam("phrase").orElse(null))));
        };




//        HandlerFunction words = request -> {
//            return ServerResponse.ok().body(processor, ResponseData.class);
//        };

        RouterFunction router = route(GET("/"), request -> ServerResponse.notFound().build())
                .and(route(GET("/say"), echo))
                .and(route(GET("/words"),words));

        HttpHandler httpHandler = RouterFunctions.toHttpHandler(router);

        HttpServer
                .create("localhost", 8081)
                .newHandler(new ReactorHttpHandlerAdapter(httpHandler))
                .block();

        Thread.currentThread().join();
    }

}

@Data
@AllArgsConstructor
class ResponseData{
    String s;
}

pom.xml

<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
	xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
	<modelVersion>4.0.0</modelVersion>

	<groupId>com.example</groupId>
	<artifactId>demo</artifactId>
	<version>0.0.1-SNAPSHOT</version>
	<packaging>jar</packaging>

	<name>demo</name>
	<description>Demo project for Spring Boot</description>

	<parent>
		<groupId>org.springframework.boot</groupId>
		<artifactId>spring-boot-starter-parent</artifactId>
		<version>2.0.0.RC1</version>
		<relativePath/> <!-- lookup parent from repository -->
	</parent>

	<properties>
		<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
		<project.reporting.outputEncoding>UTF-8</project.reporting.outputEncoding>
		<java.version>1.8</java.version>
	</properties>

	<dependencies>
		<!--<dependency>-->
			<!--<groupId>org.springframework.boot</groupId>-->
			<!--<artifactId>spring-boot-starter-integration</artifactId>-->
		<!--</dependency>-->
		<dependency>
			<groupId>org.projectlombok</groupId>
			<artifactId>lombok</artifactId>
		</dependency>

		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-webflux</artifactId>
		</dependency>

		<dependency>
			<groupId>org.springframework.boot</groupId>
			<artifactId>spring-boot-starter-test</artifactId>
			<scope>test</scope>
		</dependency>
		<dependency>
			<groupId>io.projectreactor</groupId>
			<artifactId>reactor-test</artifactId>
			<scope>test</scope>
		</dependency>


	</dependencies>

	<build>
		<plugins>
			<plugin>
				<groupId>org.springframework.boot</groupId>
				<artifactId>spring-boot-maven-plugin</artifactId>
			</plugin>
		</plugins>
	</build>

	<repositories>
		<repository>
			<id>spring-snapshots</id>
			<name>Spring Snapshots</name>
			<url>https://repo.spring.io/snapshot</url>
			<snapshots>
				<enabled>true</enabled>
			</snapshots>
		</repository>
		<repository>
			<id>spring-milestones</id>
			<name>Spring Milestones</name>
			<url>https://repo.spring.io/milestone</url>
			<snapshots>
				<enabled>false</enabled>
			</snapshots>
		</repository>
	</repositories>

	<pluginRepositories>
		<pluginRepository>
			<id>spring-snapshots</id>
			<name>Spring Snapshots</name>
			<url>https://repo.spring.io/snapshot</url>
			<snapshots>
				<enabled>true</enabled>
			</snapshots>
		</pluginRepository>
		<pluginRepository>
			<id>spring-milestones</id>
			<name>Spring Milestones</name>
			<url>https://repo.spring.io/milestone</url>
			<snapshots>
				<enabled>false</enabled>
			</snapshots>
		</pluginRepository>
	</pluginRepositories>


</project>