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Use @LoadBalanced

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This commit is contained in:
bivashy
2025-10-05 18:55:26 +05:00
parent 0122d9be52
commit 6819b14436
8 changed files with 44 additions and 239 deletions
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112
anyame-kodik-search-api/pom.xml
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@ -28,113 +28,8 @@
<tag />
<url />
</scm>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<java.version>1.8</java.version>
<maven.compiler.source>${java.version}</maven.compiler.source>
<maven.compiler.target>${java.version}</maven.compiler.target>
<swagger-annotations-version>1.6.3</swagger-annotations-version>
<jackson-databind-version>2.17.1</jackson-databind-version>
<jackson-version>2.17.1</jackson-version>
<jakarta.ws.rs-api-version>4.0.0</jakarta.ws.rs-api-version>
<retrofit-version>2.11.0</retrofit-version>
<jakarta-annotation-version>2.1.1</jakarta-annotation-version>
<beanvalidation-version>3.0.2</beanvalidation-version>
<oltu-version>1.0.1</oltu-version>
<junit-version>5.10.3</junit-version>
<javax-annotation-api.version>1.3.2</javax-annotation-api.version>
<jakarta-validation-api.version>3.1.1</jakarta-validation-api.version>
<jsr305.version>3.0.2</jsr305.version>
</properties>
<dependencies>
<dependency>
<groupId>io.swagger</groupId>
<artifactId>swagger-annotations</artifactId>
<version>${swagger-annotations-version}</version>
</dependency>
<!-- @Nullable annotation -->
<dependency>
<groupId>com.google.code.findbugs</groupId>
<artifactId>jsr305</artifactId>
<version>${jsr305.version}</version>
</dependency>
<dependency>
<groupId>com.squareup.retrofit2</groupId>
<artifactId>retrofit</artifactId>
<version>${retrofit-version}</version>
</dependency>
<dependency>
<groupId>com.squareup.retrofit2</groupId>
<artifactId>converter-scalars</artifactId>
<version>${retrofit-version}</version>
</dependency>
<dependency>
<groupId>org.apache.oltu.oauth2</groupId>
<artifactId>org.apache.oltu.oauth2.client</artifactId>
<version>${oltu-version}</version>
<exclusions>
<exclusion>
<groupId>org.apache.oltu.oauth2</groupId>
<artifactId>common</artifactId>
</exclusion>
</exclusions>
</dependency>
<!-- JSON processing: jackson -->
<dependency>
<groupId>com.squareup.retrofit2</groupId>
<artifactId>converter-jackson</artifactId>
<version>${retrofit-version}</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-core</artifactId>
<version>${jackson-version}</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-annotations</artifactId>
<version>${jackson-version}</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.core</groupId>
<artifactId>jackson-databind</artifactId>
<version>${jackson-databind-version}</version>
</dependency>
<dependency>
<groupId>com.fasterxml.jackson.datatype</groupId>
<artifactId>jackson-datatype-jsr310</artifactId>
<version>${jackson-version}</version>
</dependency>
<dependency>
<groupId>jakarta.ws.rs</groupId>
<artifactId>jakarta.ws.rs-api</artifactId>
<version>${jakarta.ws.rs-api-version}</version>
</dependency>
<dependency>
<groupId>jakarta.annotation</groupId>
<artifactId>jakarta.annotation-api</artifactId>
<version>${jakarta-annotation-version}</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>javax.annotation</groupId>
<artifactId>javax.annotation-api</artifactId>
<version>${javax-annotation-api.version}</version>
</dependency>
<!-- https://mvnrepository.com/artifact/jakarta.validation/jakarta.validation-api -->
<dependency>
<groupId>jakarta.validation</groupId>
<artifactId>jakarta.validation-api</artifactId>
<version>${jakarta-validation-api.version}</version>
</dependency>
<!-- test dependencies -->
<dependency>
<groupId>org.junit.jupiter</groupId>
<artifactId>junit-jupiter-api</artifactId>
<version>${junit-version}</version>
<scope>test</scope>
</dependency>
</dependencies>
<properties></properties>
<dependencies></dependencies>
<build>
<plugins>
@ -151,12 +46,11 @@
<inputSpec>${project.basedir}/src/main/resources/openapi.json</inputSpec>
<generatorName>java</generatorName>
<configOptions>
<library>retrofit2</library>
<library>restclient</library>
<apiPackage>com.backend.search.kodik.api</apiPackage>
<modelPackage>com.backend.search.kodik.model</modelPackage>
<openApiNullable>false</openApiNullable>
<useJakartaEe>true</useJakartaEe>
<serializationLibrary>jackson</serializationLibrary>
</configOptions>
</configuration>
</execution>

19
main-app/pom.xml
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@ -9,6 +9,7 @@
<version>3.5.5</version>
<relativePath /> <!-- lookup parent from repository -->
</parent>
<groupId>com.backend.vue.bff.service</groupId>
<artifactId>anyame-vue-bff</artifactId>
<version>0.0.1-SNAPSHOT</version>
@ -37,22 +38,6 @@
<logstash-logback-encoder.version>8.1</logstash-logback-encoder.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-cache</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-validation</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-circuitbreaker-resilience4j</artifactId>
@ -61,7 +46,6 @@
<groupId>org.springframework.cloud</groupId>
<artifactId>spring-cloud-starter-netflix-eureka-server</artifactId>
</dependency>
<dependency>
<groupId>com.squareup.retrofit2</groupId>
<artifactId>converter-jackson</artifactId>
@ -87,7 +71,6 @@
<artifactId>logstash-logback-encoder</artifactId>
<version>${logstash-logback-encoder.version}</version>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-test</artifactId>

1
main-app/src/main/java/com/backend/vue/bff/service/config/GlobalExceptionHandler.java
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@ -33,6 +33,7 @@ public class GlobalExceptionHandler {
"API_CALL_FAILED",
"Failed to communicate with external service: " + e.getMessage(),
HttpStatus.INTERNAL_SERVER_ERROR.value());
logger.error("API call failed", e);
return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR).body(error);
}

52
main-app/src/main/java/com/backend/vue/bff/service/config/SearchApiClientConfiguration.java
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@ -1,66 +1,34 @@
package com.backend.vue.bff.service.config;
import org.springframework.beans.factory.FactoryBean;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
import org.springframework.cloud.client.loadbalancer.LoadBalanced;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Lazy;
import org.springframework.web.client.RestClient;
import com.backend.search.kodik.ApiClient;
import com.backend.search.kodik.JSON;
import com.backend.search.kodik.api.SearchControllerApi;
import com.backend.vue.bff.service.factory.AbstractApiFactory;
import com.fasterxml.jackson.databind.ObjectMapper;
import retrofit2.Retrofit.Builder;
@Configuration
@EnableDiscoveryClient
public class SearchApiClientConfiguration {
private final DiscoveryClient discoveryClient;
public SearchApiClientConfiguration(DiscoveryClient discoveryClient) {
this.discoveryClient = discoveryClient;
@LoadBalanced
@Bean
public RestClient.Builder restClientBuilder() {
return RestClient.builder();
}
@Bean
@Lazy
public FactoryBean<ApiClient> apiClientFactory() {
return new ApiClientFactoryBean(discoveryClient);
public ApiClient apiClient() {
return new ApiClient(restClientBuilder().build());
}
@Bean
@Lazy
public SearchControllerApi searchApi(ApiClient apiClient) {
return apiClient.createService(SearchControllerApi.class);
}
private static class ApiClientFactoryBean extends AbstractApiFactory<ApiClient> {
public ApiClientFactoryBean(DiscoveryClient discoveryClient) {
super(discoveryClient, "ANYAME-KODIK-SEARCH-BACKEND");
}
@Override
public Class<?> getObjectType() {
return ApiClient.class;
}
@Override
public ObjectMapper createObjectMapper() {
JSON json = new JSON();
return json.getMapper();
}
@Override
public ApiClient createApiClient() {
return new ApiClient();
}
@Override
protected void updateAdapterBuilder(ApiClient instance, Builder adapterBuilder) {
instance.setAdapterBuilder(adapterBuilder);
}
apiClient = apiClient.setBasePath("http://ANYAME-KODIK-SEARCH-BACKEND");
return new SearchControllerApi(apiClient);
}
}

2
main-app/src/main/java/com/backend/vue/bff/service/controller/TestController.java
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@ -4,8 +4,8 @@ import java.io.IOException;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.bind.annotation.RestController;
import com.backend.vue.bff.service.service.KodikService;
@RestController

68
main-app/src/main/java/com/backend/vue/bff/service/factory/AbstractApiFactory.java
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@ -1,68 +0,0 @@
package com.backend.vue.bff.service.factory;
import java.util.List;
import org.springframework.beans.factory.FactoryBean;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import com.backend.vue.bff.service.exception.ServiceUnavailableException;
import com.fasterxml.jackson.databind.ObjectMapper;
import retrofit2.Retrofit;
import retrofit2.converter.jackson.JacksonConverterFactory;
import retrofit2.converter.scalars.ScalarsConverterFactory;
public abstract class AbstractApiFactory<T> implements FactoryBean<T> {
private final DiscoveryClient discoveryClient;
private final String serviceId;
public AbstractApiFactory(DiscoveryClient discoveryClient, String serviceId) {
this.discoveryClient = discoveryClient;
this.serviceId = serviceId;
}
@Override
public T getObject() throws Exception {
T client = createApiClient();
String baseUrl = resolveServiceUrl(serviceId);
Retrofit.Builder adapterBuilder = new Retrofit.Builder()
.baseUrl(baseUrl)
.addConverterFactory(ScalarsConverterFactory.create())
.addConverterFactory(JacksonConverterFactory.create(createObjectMapper()));
updateAdapterBuilder(client, adapterBuilder);
return client;
}
@Override
public boolean isSingleton() {
return true;
}
private String resolveServiceUrl(String serviceName) {
List<ServiceInstance> instances = discoveryClient.getInstances(serviceName);
if (instances.isEmpty()) {
throw new ServiceUnavailableException();
}
ServiceInstance instance = instances.get(0);
String baseUrl = instance.getUri().toString();
if (!baseUrl.endsWith("/")) {
baseUrl = baseUrl + "/";
}
return baseUrl;
}
public abstract ObjectMapper createObjectMapper();
public abstract T createApiClient();
protected abstract void updateAdapterBuilder(T instance, Retrofit.Builder adapterBuilder);
}

2
main-app/src/main/java/com/backend/vue/bff/service/service/KodikService.java
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@ -20,6 +20,6 @@ public class KodikService {
@Cacheable("kodikSearch")
public KodikResponse search(String title) throws BeansException, IOException {
return controllerApiFactory.getObject().search(title).execute().body();
return controllerApiFactory.getObject().search(title);
}
}

27
pom.xml
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@ -4,6 +4,13 @@
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>
<parent>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-parent</artifactId>
<version>3.5.5</version>
<relativePath /> <!-- lookup parent from repository -->
</parent>
<groupId>com.backend.vue.bff.service</groupId>
<artifactId>anyame-bff-parent</artifactId>
<version>0.0.1-SNAPSHOT</version>
@ -27,6 +34,26 @@
<properties>
<java.version>21</java.version>
</properties>
<dependencies>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-actuator</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-cache</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-validation</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-web</artifactId>
</dependency>
</dependencies>
<modules>
<module>anyame-kodik-search-api</module>
<module>main-app</module>