spring BeanRegistrationsAotProcessor 源码
spring BeanRegistrationsAotProcessor 代码
文件路径：/spring-beans/src/main/java/org/springframework/beans/factory/aot/BeanRegistrationsAotProcessor.java
/*
* Copyright 2002-2022 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.beans.factory.aot;
import java.util.LinkedHashMap;
import java.util.Map;
import org.springframework.beans.factory.config.ConfigurableListableBeanFactory;
import org.springframework.beans.factory.support.RegisteredBean;
/**
* {@link BeanFactoryInitializationAotProcessor} that contributes code to
* register beans.
*
* @author Phillip Webb
* @since 6.0
*/
class BeanRegistrationsAotProcessor implements BeanFactoryInitializationAotProcessor {
@Override
public BeanRegistrationsAotContribution processAheadOfTime(
ConfigurableListableBeanFactory beanFactory) {
BeanDefinitionMethodGeneratorFactory beanDefinitionMethodGeneratorFactory =
new BeanDefinitionMethodGeneratorFactory(beanFactory);
Map<String, BeanDefinitionMethodGenerator> registrations = new LinkedHashMap<>();
for (String beanName : beanFactory.getBeanDefinitionNames()) {
RegisteredBean registeredBean = RegisteredBean.of(beanFactory, beanName);
BeanDefinitionMethodGenerator beanDefinitionMethodGenerator = beanDefinitionMethodGeneratorFactory
.getBeanDefinitionMethodGenerator(registeredBean, null);
if (beanDefinitionMethodGenerator != null) {
registrations.put(beanName, beanDefinitionMethodGenerator);
}
}
if (registrations.isEmpty()) {
return null;
}
return new BeanRegistrationsAotContribution(registrations);
}
}
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