spring-data-redis HashMapper 源码
spring-data-redis HashMapper 代码
文件路径：/src/main/java/org/springframework/data/redis/hash/HashMapper.java
/*
* Copyright 2011-2022 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.data.redis.hash;
import java.util.Map;
/**
* Core mapping contract between Java types and Redis hashes/maps. It's up to the implementation to support nested
* objects.
*
* @param <T> Object type
* @param <K> Redis Hash field type
* @param <V> Redis Hash value type
* @author Costin Leau
* @author Mark Paluch
*/
public interface HashMapper<T, K, V> {
/**
* Convert an {@code object} to a map that can be used with Redis hashes.
*
* @param object
* @return
*/
Map<K, V> toHash(T object);
/**
* Convert a {@code hash} (map) to an object.
*
* @param hash
* @return
*/
T fromHash(Map<K, V> hash);
}
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