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req-res 방식 추가에 따른 변경사항 적용

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This commit is contained in:
kimscott
2020-02-14 17:00:11 +09:00
parent 70ba0b5d9e
commit 80bd392043
3 changed files with 6 additions and 60 deletions
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11
pom.xml
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@@ -79,17 +79,6 @@
<scope>test</scope> <scope>test</scope>
</dependency> </dependency>
<!-- hystrix circuit breaker -->
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-hystrix</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-hystrix-dashboard</artifactId>
</dependency>
<!-- Add Stackdriver Trace Starter --> <!-- Add Stackdriver Trace Starter -->
<!-- <dependency>--> <!-- <dependency>-->
<!-- <groupId>org.springframework.cloud</groupId>--> <!-- <groupId>org.springframework.cloud</groupId>-->

4
src/main/java/com/example/template/Application.java
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@@ -3,15 +3,11 @@ package com.example.template;
import com.example.template.config.kafka.KafkaProcessor; import com.example.template.config.kafka.KafkaProcessor;
import org.springframework.boot.SpringApplication; import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication; import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.client.circuitbreaker.EnableCircuitBreaker;
import org.springframework.cloud.netflix.hystrix.dashboard.EnableHystrixDashboard;
import org.springframework.cloud.stream.annotation.EnableBinding; import org.springframework.cloud.stream.annotation.EnableBinding;
import org.springframework.context.ApplicationContext; import org.springframework.context.ApplicationContext;
@SpringBootApplication @SpringBootApplication
@EnableBinding(KafkaProcessor.class) @EnableBinding(KafkaProcessor.class)
@EnableCircuitBreaker
@EnableHystrixDashboard
public class Application { public class Application {
protected static ApplicationContext applicationContext; protected static ApplicationContext applicationContext;

51
src/main/java/com/example/template/ProductController.java
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@@ -1,41 +1,26 @@
package com.example.template; package com.example.template;
import com.netflix.hystrix.contrib.javanica.annotation.HystrixCommand;
import org.slf4j.Logger; import org.slf4j.Logger;
import org.slf4j.LoggerFactory; import org.slf4j.LoggerFactory;
import org.springframework.beans.factory.annotation.Autowired; import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.*; import org.springframework.web.bind.annotation.*;
@RestController @RestController
public class ProductController { public class ProductController {
private static final String RESPONSE_STRING_FORMAT = "product change from '%s': %d";
private final Logger logger = LoggerFactory.getLogger(getClass()); private final Logger logger = LoggerFactory.getLogger(getClass());
@Autowired @Autowired
ProductService productService; ProductService productService;
private int count = 0;
private static final String HOSTNAME = parseContainerIdFromHostname(
System.getenv().getOrDefault("HOSTNAME", "products"));
static String parseContainerIdFromHostname(String hostname) {
return hostname.replaceAll("products-\\d+-", "");
}
@GetMapping("/product/{productId}") @GetMapping("/product/{productId}")
Product productStockCheck(@PathVariable(value = "productId") Long productId) { Product productStockCheck(@PathVariable(value = "productId") Long productId) {
System.out.println("productStockCheck call"); // System.out.println("productStockCheck call");
try { // try {
Thread.sleep(500); // Thread.sleep(500);
} catch (InterruptedException e) { // } catch (InterruptedException e) {
e.printStackTrace(); // e.printStackTrace();
} // }
return this.productService.getProductById(productId); return this.productService.getProductById(productId);
} }
@@ -46,28 +31,4 @@ public class ProductController {
return this.productService.save(data); return this.productService.save(data);
} }
@PatchMapping("/product/{productId}")
@HystrixCommand(fallbackMethod = "certifyFallBack")
ResponseEntity<String> fakeProductPatch(@PathVariable(value = "productId") Long productId, @RequestBody String data) {
count++;
logger.info(String.format("product start from %s: %d", HOSTNAME, count));
// try {
// Thread.sleep(900);
// } catch (InterruptedException e) {
// e.printStackTrace();
// }
return ResponseEntity.ok(String.format(RESPONSE_STRING_FORMAT, HOSTNAME, count));
}
ResponseEntity<String> certifyFallBack(Long productId, String data){
System.out.println("certifyFallBack");
System.out.println(data);
return ResponseEntity.ok("시스템이 혼잡합니다!! 잠시후 다시 호출해주세요");
}
} }