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Spring Cloud Sleuth AutoConfigure
/*
* 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.sleuth.autoconfig.instrument.async;
import org.springframework.beans.BeansException;
import org.springframework.beans.factory.BeanFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.config.BeanPostProcessor;
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.autoconfigure.condition.ConditionalOnProperty;
import org.springframework.cloud.sleuth.autoconfig.brave.BraveAutoConfiguration;
import org.springframework.cloud.sleuth.instrument.async.LazyTraceAsyncCustomizer;
import org.springframework.context.annotation.Configuration;
import org.springframework.scheduling.annotation.AsyncConfigurer;
/**
* {@link org.springframework.boot.autoconfigure.EnableAutoConfiguration
* Auto-configuration} that wraps an existing custom {@link AsyncConfigurer} in a
* {@link LazyTraceAsyncCustomizer}.
*
* @author Dave Syer
* @since 1.0.0
*/
@Configuration(proxyBeanMethods = false)
@ConditionalOnClass(AsyncConfigurer.class)
@ConditionalOnBean(AsyncConfigurer.class)
@AutoConfigureBefore(TraceAsyncDefaultAutoConfiguration.class)
@ConditionalOnProperty(value = "spring.sleuth.async.enabled", matchIfMissing = true)
@AutoConfigureAfter(name = "org.springframework.cloud.sleuth.instrument.scheduling.TraceSchedulingAutoConfiguration",
value = BraveAutoConfiguration.class)
public class TraceAsyncCustomAutoConfiguration implements BeanPostProcessor {
@Autowired
private BeanFactory beanFactory;
@Override
public Object postProcessBeforeInitialization(Object bean, String beanName) throws BeansException {
return bean;
}
@Override
public Object postProcessAfterInitialization(Object bean, String beanName) throws BeansException {
if (bean instanceof AsyncConfigurer && !(bean instanceof LazyTraceAsyncCustomizer)) {
AsyncConfigurer configurer = (AsyncConfigurer) bean;
return new LazyTraceAsyncCustomizer(this.beanFactory, configurer);
}
return bean;
}
}