spring AliasRegistry 源码
spring AliasRegistry 代码
文件路径：/spring-core/src/main/java/org/springframework/core/AliasRegistry.java
/*
* Copyright 2002-2020 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.core;
/**
* Common interface for managing aliases. Serves as a super-interface for
* {@link org.springframework.beans.factory.support.BeanDefinitionRegistry}.
*
* @author Juergen Hoeller
* @since 2.5.2
*/
public interface AliasRegistry {
/**
* Given a name, register an alias for it.
* @param name the canonical name
* @param alias the alias to be registered
* @throws IllegalStateException if the alias is already in use
* and may not be overridden
*/
void registerAlias(String name, String alias);
/**
* Remove the specified alias from this registry.
* @param alias the alias to remove
* @throws IllegalStateException if no such alias was found
*/
void removeAlias(String alias);
/**
* Determine whether the given name is defined as an alias
* (as opposed to the name of an actually registered component).
* @param name the name to check
* @return whether the given name is an alias
*/
boolean isAlias(String name);
/**
* Return the aliases for the given name, if defined.
* @param name the name to check for aliases
* @return the aliases, or an empty array if none
*/
String[] getAliases(String name);
}
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