001/**
002 * Copyright (c) 2022-2023, 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.query;
017
018import java.util.function.Consumer;
019
020/**
021 * @author michael yang (fuhai999@gmail.com)
022 * @Date: 2020/1/14
023 */
024public class Joiner<M> {
025
026    private final M queryWrapper;
027    private final Join join;
028
029    public Joiner(M queryWrapper, Join join) {
030        this.queryWrapper = queryWrapper;
031        this.join = join;
032    }
033
034    public Joiner<M> as(String alias) {
035        join.getQueryTable().as(alias);
036        return this;
037    }
038
039    public M on(String on) {
040        join.on(new RawFragment(on));
041        return queryWrapper;
042    }
043
044    public M on(QueryCondition on) {
045        join.on(on);
046        return queryWrapper;
047    }
048
049    public M on(Consumer<QueryWrapper> consumer) {
050        QueryWrapper newWrapper = new QueryWrapper();
051        consumer.accept(newWrapper);
052        join.on(newWrapper.whereQueryCondition);
053        return queryWrapper;
054    }
055}
056