spring-data-redis SortQuery 源码
spring-data-redis SortQuery 代码
文件路径：/src/main/java/org/springframework/data/redis/core/query/SortQuery.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.core.query;
import java.util.List;
import org.springframework.data.redis.connection.RedisConnection;
import org.springframework.data.redis.connection.SortParameters;
import org.springframework.data.redis.connection.SortParameters.Order;
import org.springframework.data.redis.connection.SortParameters.Range;
import org.springframework.data.redis.core.RedisTemplate;
import org.springframework.lang.Nullable;
/**
* High-level abstraction over a Redis SORT (generified equivalent of {@link SortParameters}). To be used with
* {@link RedisTemplate} (just as {@link SortParameters} is used by {@link RedisConnection}).
*
* @author Costin Leau
* @author Mark Paluch
*/
public interface SortQuery<K> {
/**
* Return the target key for sorting.
*
* @return the target key
*/
K getKey();
/**
* Returns the sorting order. Can be null if nothing is specified.
*
* @return sorting order
*/
@Nullable
Order getOrder();
/**
* Indicates if the sorting is numeric (default) or alphabetical (lexicographical). Can be null if nothing is
* specified.
*
* @return the type of sorting
*/
@Nullable
Boolean isAlphabetic();
/**
* Returns the sorting limit (range or pagination). Can be null if nothing is specified.
*
* @return sorting limit/range
*/
@Nullable
Range getLimit();
/**
* Returns the pattern of the external key used for sorting.
*
* @return the external key pattern
*/
@Nullable
String getBy();
/**
* Returns the external key(s) whose values are returned by the sort.
*
* @return the (list of) keys used for GET
*/
List<String> getGetPattern();
}
相关信息
相关文章
spring-data-redis DefaultSortCriterion 源码
spring-data-redis DefaultSortQuery 源码
spring-data-redis QueryUtils 源码
spring-data-redis SortCriterion 源码
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