spring BeanDefinitionOverrideException 源码
spring BeanDefinitionOverrideException 代码
文件路径：/spring-beans/src/main/java/org/springframework/beans/factory/support/BeanDefinitionOverrideException.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.support;
import org.springframework.beans.factory.BeanDefinitionStoreException;
import org.springframework.beans.factory.config.BeanDefinition;
import org.springframework.lang.NonNull;
/**
* Subclass of {@link BeanDefinitionStoreException} indicating an invalid override
* attempt: typically registering a new definition for the same bean name while
* {@link DefaultListableBeanFactory#isAllowBeanDefinitionOverriding()} is {@code false}.
*
* @author Juergen Hoeller
* @since 5.1
* @see DefaultListableBeanFactory#setAllowBeanDefinitionOverriding
* @see DefaultListableBeanFactory#registerBeanDefinition
*/
@SuppressWarnings("serial")
public class BeanDefinitionOverrideException extends BeanDefinitionStoreException {
private final BeanDefinition beanDefinition;
private final BeanDefinition existingDefinition;
/**
* Create a new BeanDefinitionOverrideException for the given new and existing definition.
* @param beanName the name of the bean
* @param beanDefinition the newly registered bean definition
* @param existingDefinition the existing bean definition for the same name
*/
public BeanDefinitionOverrideException(
String beanName, BeanDefinition beanDefinition, BeanDefinition existingDefinition) {
super(beanDefinition.getResourceDescription(), beanName,
"Cannot register bean definition [" + beanDefinition + "] for bean '" + beanName +
"' since there is already [" + existingDefinition + "] bound.");
this.beanDefinition = beanDefinition;
this.existingDefinition = existingDefinition;
}
/**
* Return the description of the resource that the bean definition came from.
*/
@Override
@NonNull
public String getResourceDescription() {
return String.valueOf(super.getResourceDescription());
}
/**
* Return the name of the bean.
*/
@Override
@NonNull
public String getBeanName() {
return String.valueOf(super.getBeanName());
}
/**
* Return the newly registered bean definition.
* @see #getBeanName()
*/
public BeanDefinition getBeanDefinition() {
return this.beanDefinition;
}
/**
* Return the existing bean definition for the same name.
* @see #getBeanName()
*/
public BeanDefinition getExistingDefinition() {
return this.existingDefinition;
}
}
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