com.baomidou.mybatisplus.extension.injector.methods.LogicUpdateById Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of mybatis-plus-extension Show documentation

An enhanced toolkit of Mybatis to simplify development.

There is a newer version: 3.5.7

Show newest version

/*
 * Copyright (c) 2011-2020, hubin ([email protected]).
 * 
 * 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
 * 

 * http://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 com.baomidou.mybatisplus.extension.injector.methods;

import com.baomidou.mybatisplus.core.enums.SqlMethod;
import com.baomidou.mybatisplus.core.metadata.TableInfo;
import com.baomidou.mybatisplus.core.toolkit.Constants;
import com.baomidou.mybatisplus.core.toolkit.StringPool;
import com.baomidou.mybatisplus.extension.injector.AbstractLogicMethod;
import com.baomidou.mybatisplus.extension.plugins.OptimisticLockerInterceptor;
import org.apache.ibatis.mapping.MappedStatement;
import org.apache.ibatis.mapping.SqlSource;

/**
 * 

 * 根据 ID 更新有值字段
 * 
 *
 * @author hubin
 * @since 2018-04-06
 */
public class LogicUpdateById extends AbstractLogicMethod {

    @Override
    public MappedStatement injectMappedStatement(Class mapperClass, Class modelClass, TableInfo tableInfo) {
        String sql;
        boolean logicDelete = tableInfo.isLogicDelete();
        SqlMethod sqlMethod = SqlMethod.UPDATE_BY_ID;
        StringBuilder append = new StringBuilder("")
            .append("")
            .append(" AND ${et.").append(OptimisticLockerInterceptor.MP_OPTLOCK_VERSION_COLUMN)
            .append("}=#{et.").append(OptimisticLockerInterceptor.MP_OPTLOCK_VERSION_ORIGINAL).append(StringPool.RIGHT_BRACE)
            .append("");
        if (logicDelete) {
            append.append(tableInfo.getLogicDeleteSql(true, false));
        }
        sql = String.format(sqlMethod.getSql(), tableInfo.getTableName(),
            sqlSet(logicDelete, false, tableInfo, Constants.ENTITY_SPOT),
            tableInfo.getKeyColumn(), Constants.ENTITY_SPOT + tableInfo.getKeyProperty(),
            append);
        SqlSource sqlSource = languageDriver.createSqlSource(configuration, sql, modelClass);
        return addUpdateMappedStatement(mapperClass, modelClass, sqlMethod.getMethod(), sqlSource);
    }
}