spring BeanMetadataElement 源码
spring BeanMetadataElement 代码
文件路径：/spring-beans/src/main/java/org/springframework/beans/BeanMetadataElement.java
/*
* Copyright 2002-2019 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;
import org.springframework.lang.Nullable;
/**
* Interface to be implemented by bean metadata elements
* that carry a configuration source object.
*
* @author Juergen Hoeller
* @since 2.0
*/
public interface BeanMetadataElement {
/**
* Return the configuration source {@code Object} for this metadata element
* (may be {@code null}).
*/
@Nullable
default Object getSource() {
return null;
}
}
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