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Building Spring Boot Microservices in IntelliJ IDEA

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Pragya Keshap answered on February 10, 2023 Popularity 4/10 Helpfulness 1/10

answer Building Spring Boot Microservices in IntelliJ IDEA

Building Spring Boot Microservices in IntelliJ IDEA

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How do I create a Spring Boot microservices project in IntelliJ?

Create a new Spring Boot project

From the main menu, select File | New | Project.

In the left pane of the New Project wizard, select Spring Initializr.

Specify a name for the project: spring-boot-tutorial . ...

Select the Spring Web dependency under Web.

@RestController
@RequestMapping("/pricing")
public class PricingEndpoint implements InitializingBean {
   @Autowired
   DiscoveryClient client;
   Map<String, Double> pricingMap = new HashMap<>();

   RestTemplate restTemplate = new RestTemplate();

   @GetMapping("/customer/{customer-id}/portfolio/{portfolio-id}")
   public List<String> getPricedPortfolio(
                           @PathVariable("customer-id") Integer customerId, 
                           @PathVariable("portfolio-id") Integer portfolioId)
   {
      List<ServiceInstance> instances 
                                  = client.getInstances("portfolio-service");
      ServiceInstance instance 
             = instances.stream()
                        .findFirst()
                        .orElseThrow(() -> new RuntimeException("not found"));
      String url = String.format("%s/portfolios/customer/%d/portfolio/%d", 
                                 instance.getUri(), customerId, portfolioId);
      // query for the portfolios, returned as an array of List 
      // of size 2, containing a ticker and a position (# of shares)
      Object[] portfolio = restTemplate.getForObject(url, Object[].class);
      // Look up the share prices, and return a list of Strings, formatted as
      // ticker, shares, price, total
      List<String> collect = Arrays.stream(portfolio).map(position -> {
          String ticker = ((List<String>) position).get(0);
          int shares = ((List<Integer>) position).get(1);
          double price = getPrice(ticker);
          double total = shares * price;
          return String.format("%s %d %f %f", ticker, shares, price, total);
      }).collect(Collectors.toList());
      return collect;
   }

   private double getPrice(String ticker)
   {
      return pricingMap.get(ticker);
   }

https://www.jetbrains.com/help/idea/your-first-spring-application.html#add-greeting-method

Popularity 4/10 Helpfulness 1/10 Language java

Source: Grepper

Tags: building intellij-idea java microservices spring-boot

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Contributed on Feb 10 2023

Pragya Keshap

0 Answers Avg Quality 2/10

Building Spring Boot Microservices in IntelliJ IDEA

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