spring-data-redis ListConverter 源码
spring-data-redis ListConverter 代码
文件路径：/src/main/java/org/springframework/data/redis/connection/convert/ListConverter.java
/*
* Copyright 2013-2022 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.connection.convert;
import java.util.ArrayList;
import java.util.List;
import org.springframework.core.convert.converter.Converter;
/**
* Converts a List of values of one type to a List of values of another type
*
* @author Jennifer Hickey
* @author Mark Paluch
* @author Christoph Strobl
* @param <S> The type of elements in the List to convert
* @param <T> The type of elements in the converted List
*/
public class ListConverter<S, T> implements Converter<List<S>, List<T>> {
private Converter<S, T> itemConverter;
/**
* @param itemConverter The {@link Converter} to use for converting individual List items
*/
public ListConverter(Converter<S, T> itemConverter) {
this.itemConverter = itemConverter;
}
@Override
public List<T> convert(List<S> source) {
List<T> results = new ArrayList<>(source.size());
for (S result : source) {
results.add(itemConverter.convert(result));
}
return results;
}
}
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