spring KeyGenerator 源码
spring KeyGenerator 代码
文件路径：/spring-context/src/main/java/org/springframework/cache/interceptor/KeyGenerator.java
/*
* Copyright 2002-2016 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.cache.interceptor;
import java.lang.reflect.Method;
/**
* Cache key generator. Used for creating a key based on the given method
* (used as context) and its parameters.
*
* @author Costin Leau
* @author Chris Beams
* @author Phillip Webb
* @since 3.1
*/
@FunctionalInterface
public interface KeyGenerator {
/**
* Generate a key for the given method and its parameters.
* @param target the target instance
* @param method the method being called
* @param params the method parameters (with any var-args expanded)
* @return a generated key
*/
Object generate(Object target, Method method, Object... params);
}
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