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FeignLoadBalancerAutoConfiguration.java
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FeignLoadBalancerAutoConfiguration.java
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/*
* Copyright 2013-2021 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* https://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.springframework.cloud.openfeign.loadbalancer;
import feign.Client;
import feign.Feign;
import org.springframework.boot.autoconfigure.AutoConfigureAfter;
import org.springframework.boot.autoconfigure.AutoConfigureBefore;
import org.springframework.boot.autoconfigure.condition.ConditionalOnBean;
import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
import org.springframework.boot.context.properties.EnableConfigurationProperties;
import org.springframework.cloud.loadbalancer.blocking.client.BlockingLoadBalancerClient;
import org.springframework.cloud.openfeign.FeignAutoConfiguration;
import org.springframework.cloud.openfeign.ribbon.FeignRibbonClientAutoConfiguration;
import org.springframework.cloud.openfeign.support.FeignHttpClientProperties;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Import;
/**
* An autoconfiguration that instantiates {@link BlockingLoadBalancerClient}-based
* implementations of {@link Client}. In order to use this load-balancing mechanism, the
* Ribbon-based implementation has to be disabled by setting
* <code>spring.cloud.loadbalancer.ribbon.enabled</code> to <code>true</code>.
*
* @author Olga Maciaszek-Sharma
* @author Nguyen Ky Thanh
* @since 2.2.0
*/
@ConditionalOnClass(Feign.class)
@ConditionalOnBean(BlockingLoadBalancerClient.class)
@AutoConfigureBefore(FeignAutoConfiguration.class)
@AutoConfigureAfter(FeignRibbonClientAutoConfiguration.class)
@EnableConfigurationProperties(FeignHttpClientProperties.class)
@Configuration(proxyBeanMethods = false)
// Order is important here, last should be the default, first should be optional
// see
// https://github.com/spring-cloud/spring-cloud-netflix/issues/2086#issuecomment-316281653
@Import({ HttpClientFeignLoadBalancerConfiguration.class,
OkHttpFeignLoadBalancerConfiguration.class,
HttpClient5FeignLoadBalancerConfiguration.class,
DefaultFeignLoadBalancerConfiguration.class })
public class FeignLoadBalancerAutoConfiguration {
}