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.logicdelete;
017
018import com.mybatisflex.core.dialect.IDialect;
019import com.mybatisflex.core.query.QueryCondition;
020import com.mybatisflex.core.query.QueryWrapper;
021import com.mybatisflex.core.table.TableInfo;
022
023import static com.mybatisflex.core.constant.SqlConsts.EQUALS;
024
025/**
026 * 逻辑删除处理器抽象类。
027 *
028 * @author 王帅
029 * @since 2023-06-20
030 */
031public abstract class AbstractLogicDeleteProcessor implements LogicDeleteProcessor {
032
033    @Override
034    public String buildLogicNormalCondition(String logicColumn, TableInfo tableInfo, IDialect dialect) {
035        return dialect.wrap(logicColumn) + EQUALS + getLogicNormalValue();
036    }
037
038    @Override
039    public String buildLogicDeletedSet(String logicColumn, TableInfo tableInfo, IDialect dialect) {
040        return dialect.wrap(logicColumn) + EQUALS + getLogicDeletedValue();
041    }
042
043    @Override
044    public void buildQueryCondition(QueryWrapper queryWrapper, TableInfo tableInfo) {
045        queryWrapper.and(QueryCondition.create(tableInfo.getSchema(), tableInfo.getTableName(), tableInfo.getLogicDeleteColumn()
046            , EQUALS
047            , getLogicNormalValue()));
048    }
049
050    /**
051     * 获取逻辑删除列未删除标记值。
052     *
053     * @return 未删除标记值
054     */
055    protected abstract Object getLogicNormalValue();
056
057    /**
058     * 获取逻辑删除列删除时标记值。
059     *
060     * @return 删除时标记值
061     */
062    protected abstract Object getLogicDeletedValue();
063
064}
065
066