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.spring.boot;
017
018import com.mybatisflex.core.datasource.DataSourceBuilder;
019import com.mybatisflex.core.datasource.FlexDataSource;
020import org.apache.ibatis.session.SqlSessionFactory;
021import org.mybatis.spring.SqlSessionFactoryBean;
022import org.springframework.boot.autoconfigure.AutoConfigureBefore;
023import org.springframework.boot.autoconfigure.condition.ConditionalOnClass;
024import org.springframework.boot.autoconfigure.condition.ConditionalOnMissingBean;
025import org.springframework.boot.autoconfigure.jdbc.DataSourceAutoConfiguration;
026import org.springframework.boot.context.properties.EnableConfigurationProperties;
027import org.springframework.context.annotation.Bean;
028
029import javax.sql.DataSource;
030import java.util.Map;
031
032
033/**
034 * 多数据源的配置支持
035 */
036@org.springframework.context.annotation.Configuration(proxyBeanMethods = false)
037@ConditionalOnClass({SqlSessionFactory.class, SqlSessionFactoryBean.class})
038@ConditionalOnMybatisFlexDatasource()
039@EnableConfigurationProperties(MybatisFlexProperties.class)
040@AutoConfigureBefore({DataSourceAutoConfiguration.class})
041public class MultiDataSourceAutoConfiguration {
042
043    private Map<String, Map<String, String>> dataSourceProperties;
044
045
046    public MultiDataSourceAutoConfiguration(MybatisFlexProperties properties) {
047        dataSourceProperties = properties.getDatasource();
048    }
049
050
051    @Bean
052    @ConditionalOnMissingBean
053    public DataSource dataSource() {
054
055        FlexDataSource flexDataSource = null;
056
057        if (dataSourceProperties != null && !dataSourceProperties.isEmpty()) {
058            for (String key : dataSourceProperties.keySet()) {
059                DataSource dataSource = new DataSourceBuilder(dataSourceProperties.get(key)).build();
060                if (flexDataSource == null) {
061                    flexDataSource = new FlexDataSource(key, dataSource);
062                } else {
063                    flexDataSource.addDataSource(key, dataSource);
064                }
065            }
066        }
067
068        return flexDataSource;
069    }
070
071
072}