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使用ReactiveDiscoveryClient获取服务实例完成hello接口 issues 8 #9

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使用ReactiveDiscoveryClient获取服务实例完成hello接口 issues 8 #9

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22 changes: 7 additions & 15 deletions ...aba-nacos-consumer-reactive/src/main/java/deep/in/spring/cloud/NacosReactiveConsumer.java
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Original file line number Diff line number Diff line change
Expand Up @@ -16,13 +16,10 @@

package deep.in.spring.cloud;

import java.util.List;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
import org.springframework.cloud.client.discovery.ReactiveDiscoveryClient;
import org.springframework.web.bind.annotation.GetMapping;
Expand All @@ -45,9 +42,6 @@ class HelloController {
@Autowired
private ReactiveDiscoveryClient reactiveDiscoveryClient;

@Autowired
private DiscoveryClient discoveryClient;

private String serviceName = "my-provider";

@GetMapping("/services")
Expand All @@ -58,20 +52,18 @@ public Flux<String> info() {
@GetMapping("/instances")
public Flux<String> instance() {
return reactiveDiscoveryClient.getInstances(serviceName).map(instance ->
"[ serviceId: " + instance.getServiceId() +
", host: " + instance.getHost() +
", port: " + instance.getPort() + " ]");
"[ serviceId: " + instance.getServiceId() +
", host: " + instance.getHost() +
", port: " + instance.getPort() + " ]");
}

@GetMapping("/hello")
public Mono<String> hello() {
List<ServiceInstance> serviceInstances = discoveryClient.getInstances(serviceName);
ServiceInstance serviceInstance = serviceInstances.stream()
.findAny().orElseThrow(() ->
new IllegalStateException("no " + serviceName + " instance available"));
Flux<ServiceInstance> instances = reactiveDiscoveryClient.getInstances(serviceName);
ServiceInstance serviceInstance = instances.blockFirst();
return WebClient.create("http://" +
serviceInstance.getHost() + ":" + serviceInstance.getPort())
.get().uri("/echo?name=nacos").retrieve().bodyToMono(String.class);
serviceInstance.getHost() + ":" + serviceInstance.getPort())
.get().uri("/echo?name=nacos").retrieve().bodyToMono(String.class);
}

}
Expand Down