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Creating Microservices

Deepika Sahu answered on December 30, 2022 Popularity 10/10 Helpfulness 1/10

answer Creating Microservices

Creating Microservices

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Service 1
package com.example.zipkinservice1;
 
import brave.sampler.Sampler;
import org.apache.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.Bean;
import org.springframework.core.ParameterizedTypeReference;
import org.springframework.http.HttpMethod;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;
 
@SpringBootApplication
public class ZipkinService1Application {
 
    public static void main(String[] args) {
        SpringApplication.run(ZipkinService1Application.class, args);
    }
}
 
@RestController
class ZipkinController {

    private static final Logger LOG = Logger.getLogger(ZipkinController.class.getName());
     
    @Autowired
    RestTemplate restTemplate;
 
    @Bean
    public RestTemplate getRestTemplate() {
        return new RestTemplate();
    }
 
    @Bean
    public Sampler alwaysSampler() {
        return Sampler.ALWAYS_SAMPLE;
    }
     
    @GetMapping(value="/zipkin")
    public String zipkinService1() 
    {
        LOG.info("Inside zipkinService 1..");
         
         String response = (String) restTemplate.exchange("http://localhost:8082/zipkin2", 
                                                            HttpMethod.GET, 
                                                            null, 
                                                            new ParameterizedTypeReference<String>() {})
                                                .getBody();
        return "Hi...";
    }
}

Popularity 10/10 Helpfulness 1/10 Language java

Source: howtodoinjava.com

Tags: java microservices

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Contributed on Dec 30 2022

Deepika Sahu

0 Answers Avg Quality 2/10

Creating Microservices

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