spring-data-redis SortParameters 源码
spring-data-redis SortParameters 代码
文件路径：/src/main/java/org/springframework/data/redis/connection/SortParameters.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.connection;
import org.springframework.lang.Nullable;
/**
* Entity containing the parameters for the SORT operation.
*
* @author Costin Leau
* @author Christoph Strobl
*/
public interface SortParameters {
/**
* Sorting order.
*/
enum Order {
ASC, DESC
}
/**
* Utility class wrapping the 'LIMIT' setting.
*/
class Range {
private final long start;
private final long count;
public Range(long start, long count) {
this.start = start;
this.count = count;
}
public long getStart() {
return start;
}
public long getCount() {
return count;
}
}
/**
* Returns the sorting order. Can be null if nothing is specified.
*
* @return sorting order. {@literal null} if not set.
*/
@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. {@literal null} if not set.
*/
@Nullable
Boolean isAlphabetic();
/**
* Returns the pattern (if set) for sorting by external keys ({@code BY}). Can be null if nothing is specified.
*
* @return {@code BY} pattern. {@literal null} if not set.
*/
@Nullable
byte[] getByPattern();
/**
* Returns the pattern (if set) for retrieving external keys ({@code GET}). Can be null if nothing is specified.
*
* @return {@code GET} pattern. {@literal null} if not set.
*/
@Nullable
byte[][] getGetPattern();
/**
* Returns the sorting limit (range or pagination). Can be null if nothing is specified.
*
* @return sorting limit/range. {@literal null} if not set.
*/
@Nullable
Range getLimit();
}
相关信息
相关文章
spring-data-redis AbstractRedisConnection 源码
spring-data-redis BitFieldSubCommands 源码
spring-data-redis ClusterCommandExecutionFailureException 源码
spring-data-redis ClusterCommandExecutor 源码
spring-data-redis ClusterInfo 源码
spring-data-redis ClusterNodeResourceProvider 源码
spring-data-redis ClusterSlotHashUtil 源码
spring-data-redis ClusterTopology 源码
0
赞
热门推荐
-
2、 - 优质文章
-
3、 gate.io
-
8、 golang
-
9、 openharmony
-
10、 Vue中input框自动聚焦