epmet-cloud-rizhao0920/epmet-cloud-generator/src/main/java/io/renren/config/DbConfig.java

/**
 * Copyright 2018 人人开源 http://www.renren.io
 * <p>
 * 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
 * <p>
 * http://www.apache.org/licenses/LICENSE-2.0
 * <p>
 * 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 io.renren.config;

import io.renren.dao.*;
import io.renren.utils.RRException;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.context.annotation.Primary;

/**
 * 数据库配置
 *
 * @author Mark sunlightcs@gmail.com
 * @since 2018-07-24
 */
@Configuration
public class DbConfig {
    @Value("${renren.database: mysql}")
    private String database;
    @Autowired
    private MySQLGeneratorDao mySQLGeneratorDao;
    @Autowired
    private OracleGeneratorDao oracleGeneratorDao;
    @Autowired
    private SQLServerGeneratorDao sqlServerGeneratorDao;
    @Autowired
    private PostgreSQLGeneratorDao postgreSQLGeneratorDao;

    @Bean
    @Primary
    public GeneratorDao getGeneratorDao(){
        if("mysql".equalsIgnoreCase(database)){
            return mySQLGeneratorDao;
        }else if("oracle".equalsIgnoreCase(database)){
            return oracleGeneratorDao;
        }else if("sqlserver".equalsIgnoreCase(database)){
            return sqlServerGeneratorDao;
        }else if("postgresql".equalsIgnoreCase(database)){
            return postgreSQLGeneratorDao;
        }else {
            throw new RRException("不支持当前数据库：" + database);
        }
    }
}