spring RuntimeBeanNameReference 源码

  • 2022-08-08
  • 浏览 (543)

spring RuntimeBeanNameReference 代码

文件路径:/spring-beans/src/main/java/org/springframework/beans/factory/config/RuntimeBeanNameReference.java

/*
 * Copyright 2002-2021 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.beans.factory.config;

import org.springframework.lang.Nullable;
import org.springframework.util.Assert;

/**
 * Immutable placeholder class used for a property value object when it's a
 * reference to another bean name in the factory, to be resolved at runtime.
 *
 * @author Juergen Hoeller
 * @since 2.0
 * @see RuntimeBeanReference
 * @see BeanDefinition#getPropertyValues()
 * @see org.springframework.beans.factory.BeanFactory#getBean
 */
public class RuntimeBeanNameReference implements BeanReference {

	private final String beanName;

	@Nullable
	private Object source;


	/**
	 * Create a new RuntimeBeanNameReference to the given bean name.
	 * @param beanName name of the target bean
	 */
	public RuntimeBeanNameReference(String beanName) {
		Assert.hasText(beanName, "'beanName' must not be empty");
		this.beanName = beanName;
	}

	@Override
	public String getBeanName() {
		return this.beanName;
	}

	/**
	 * Set the configuration source {@code Object} for this metadata element.
	 * <p>The exact type of the object will depend on the configuration mechanism used.
	 */
	public void setSource(@Nullable Object source) {
		this.source = source;
	}

	@Override
	@Nullable
	public Object getSource() {
		return this.source;
	}


	@Override
	public boolean equals(@Nullable Object other) {
		if (this == other) {
			return true;
		}
		if (!(other instanceof RuntimeBeanNameReference that)) {
			return false;
		}
		return this.beanName.equals(that.beanName);
	}

	@Override
	public int hashCode() {
		return this.beanName.hashCode();
	}

	@Override
	public String toString() {
		return '<' + getBeanName() + '>';
	}

}

相关信息

spring 源码目录

相关文章

spring AbstractFactoryBean 源码

spring AutowireCapableBeanFactory 源码

spring AutowiredPropertyMarker 源码

spring BeanDefinition 源码

spring BeanDefinitionCustomizer 源码

spring BeanDefinitionHolder 源码

spring BeanDefinitionVisitor 源码

spring BeanExpressionContext 源码

spring BeanExpressionResolver 源码

spring BeanFactoryPostProcessor 源码

0  赞