spring NamedBeanHolder 源码
spring NamedBeanHolder 代码
文件路径：/spring-beans/src/main/java/org/springframework/beans/factory/config/NamedBeanHolder.java
/*
* Copyright 2002-2018 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.beans.factory.NamedBean;
import org.springframework.util.Assert;
/**
* A simple holder for a given bean name plus bean instance.
*
* @author Juergen Hoeller
* @since 4.3.3
* @param <T> the bean type
* @see AutowireCapableBeanFactory#resolveNamedBean(Class)
*/
public class NamedBeanHolder<T> implements NamedBean {
private final String beanName;
private final T beanInstance;
/**
* Create a new holder for the given bean name plus instance.
* @param beanName the name of the bean
* @param beanInstance the corresponding bean instance
*/
public NamedBeanHolder(String beanName, T beanInstance) {
Assert.notNull(beanName, "Bean name must not be null");
this.beanName = beanName;
this.beanInstance = beanInstance;
}
/**
* Return the name of the bean.
*/
@Override
public String getBeanName() {
return this.beanName;
}
/**
* Return the corresponding bean instance.
*/
public T getBeanInstance() {
return this.beanInstance;
}
}
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