spring BeanRegistrationAotContribution 源码

spring BeanRegistrationAotContribution 代码

文件路径：/spring-beans/src/main/java/org/springframework/beans/factory/aot/BeanRegistrationAotContribution.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.function.UnaryOperator;

import org.springframework.aot.generate.GenerationContext;
import org.springframework.util.Assert;

/**
 * AOT contribution from a {@link BeanRegistrationAotProcessor} used to register
 * a single bean definition.
 *
 * @author Phillip Webb
 * @since 6.0
 * @see BeanRegistrationAotProcessor
 */
@FunctionalInterface
public interface BeanRegistrationAotContribution {

	/**
	 * Customize the {@link BeanRegistrationCodeFragments} that will be used to
	 * generate the bean registration code. Custom code fragments can be used if
	 * default code generation isn't suitable.
	 * @param generationContext the generation context
	 * @param codeFragments the existing code fragments
	 * @return the code fragments to use, may be the original instance or a
	 * wrapper
	 */
	default BeanRegistrationCodeFragments customizeBeanRegistrationCodeFragments(
			GenerationContext generationContext, BeanRegistrationCodeFragments codeFragments) {
		return codeFragments;
	}

	/**
	 * Apply this contribution to the given {@link BeanRegistrationCode}.
	 * @param generationContext the generation context
	 * @param beanRegistrationCode the generated registration
	 */
	void applyTo(GenerationContext generationContext,
			BeanRegistrationCode beanRegistrationCode);

	/**
	 * Factory method that can be used to create a
	 * {@link BeanRegistrationAotContribution} that applies the given
	 * {@link BeanRegistrationCodeFragments} customizer.
	 * @param beanRegistrationCodeFragmentsCustomizer the
	 * {@link BeanRegistrationCodeFragments} customizer
	 * @return a new {@link BeanRegistrationAotContribution} instance
	 * @see #customizeBeanRegistrationCodeFragments(GenerationContext, BeanRegistrationCodeFragments)
	 */
	static BeanRegistrationAotContribution ofBeanRegistrationCodeFragmentsCustomizer(
			UnaryOperator<BeanRegistrationCodeFragments> beanRegistrationCodeFragmentsCustomizer) {
		Assert.notNull(beanRegistrationCodeFragmentsCustomizer,
				"BeanRegistrationCodeFragmentsCustomizer must not be null");
		return new BeanRegistrationAotContribution() {

			@Override
			public BeanRegistrationCodeFragments customizeBeanRegistrationCodeFragments(
					GenerationContext generationContext, BeanRegistrationCodeFragments codeFragments) {
				return beanRegistrationCodeFragmentsCustomizer.apply(codeFragments);
			}

			@Override
			public void applyTo(GenerationContext generationContext,
					BeanRegistrationCode beanRegistrationCode) {
			}

		};
	}

}

相关信息

spring 源码目录

相关文章

spring AotServices 源码

spring AutowiredArguments 源码

spring AutowiredArgumentsCodeGenerator 源码

spring AutowiredElementResolver 源码

spring AutowiredFieldValueResolver 源码

spring AutowiredMethodArgumentsResolver 源码

spring BeanDefinitionMethodGenerator 源码

spring BeanDefinitionMethodGeneratorFactory 源码

spring BeanDefinitionPropertiesCodeGenerator 源码

spring BeanDefinitionPropertyValueCodeGenerator 源码