001/*
002 *  Copyright (c) 2022-2025, Mybatis-Flex (fuhai999@gmail.com).
003 *  <p>
004 *  Licensed under the Apache License, Version 2.0 (the "License");
005 *  you may not use this file except in compliance with the License.
006 *  You may obtain a copy of the License at
007 *  <p>
008 *  http://www.apache.org/licenses/LICENSE-2.0
009 *  <p>
010 *  Unless required by applicable law or agreed to in writing, software
011 *  distributed under the License is distributed on an "AS IS" BASIS,
012 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 *  See the License for the specific language governing permissions and
014 *  limitations under the License.
015 */
016package com.mybatisflex.core.activerecord.query;
017
018
019import com.mybatisflex.core.query.QueryColumn;
020import com.mybatisflex.core.util.LambdaGetter;
021import com.mybatisflex.core.util.LambdaUtil;
022
023/**
024 * Lambda 排序构建器。
025 *
026 * @author 王帅
027 * @since 2023-07-25
028 */
029public class OrderByBuilder<R extends QueryModel<R>> {
030
031    private final R queryModel;
032    private final QueryColumn queryColumn;
033
034    public <T> OrderByBuilder(R queryModel, LambdaGetter<T> getter) {
035        this.queryModel = queryModel;
036        this.queryColumn = LambdaUtil.getQueryColumn(getter);
037    }
038
039    public R asc() {
040        return queryModel.orderBy(queryColumn.asc());
041    }
042
043    public R desc() {
044        return queryModel.orderBy(queryColumn.desc());
045    }
046
047}