package cn.stylefeng.guns.base.db.context;
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import cn.stylefeng.guns.base.db.dao.DataBaseInfoDao;
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import cn.stylefeng.guns.base.db.factory.AtomikosFactory;
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import cn.stylefeng.roses.core.config.properties.DruidProperties;
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import javax.sql.DataSource;
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import java.util.Map;
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import java.util.concurrent.ConcurrentHashMap;
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/**
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* 数据源的上下文容器(单例)
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*
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* @author fengshuonan
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* @date 2019-06-12-13:37
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*/
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public class DataSourceContext {
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/**
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* 主数据源名称
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*/
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public static final String MASTER_DATASOURCE_NAME = "master";
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/**
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* 数据源容器
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*/
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private static Map<String, DataSource> DATA_SOURCES = new ConcurrentHashMap<>();
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/**
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* 数据源的配置容器
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*/
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private static Map<String, DruidProperties> DATA_SOURCES_CONF = new ConcurrentHashMap<>();
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/**
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* 初始化所有dataSource
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*
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* @author fengshuonan
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* @Date 2019-06-12 13:48
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*/
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public static void initDataSource(DruidProperties masterDataSourceProperties, DataSource dataSourcePrimary) {
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//清空数据库中的主数据源信息
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new DataBaseInfoDao(masterDataSourceProperties).deleteMasterDatabaseInfo();
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//初始化主数据源信息
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new DataBaseInfoDao(masterDataSourceProperties).createMasterDatabaseInfo();
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//从数据库中获取所有的数据源信息
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DataBaseInfoDao dataBaseInfoDao = new DataBaseInfoDao(masterDataSourceProperties);
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Map<String, DruidProperties> allDataBaseInfo = dataBaseInfoDao.getAllDataBaseInfo();
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//赋给全局变量
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DATA_SOURCES_CONF = allDataBaseInfo;
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//根据数据源信息初始化所有的DataSource
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for (Map.Entry<String, DruidProperties> entry : allDataBaseInfo.entrySet()) {
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String dbName = entry.getKey();
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DruidProperties druidProperties = entry.getValue();
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//如果是主数据源,不用初始化第二遍,如果是其他数据源就通过property初始化
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if (dbName.equalsIgnoreCase(MASTER_DATASOURCE_NAME)) {
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DATA_SOURCES_CONF.put(dbName, druidProperties);
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DATA_SOURCES.put(dbName, dataSourcePrimary);
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} else {
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DataSource dataSource = createDataSource(dbName, druidProperties);
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DATA_SOURCES.put(dbName, dataSource);
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}
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}
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}
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/**
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* 新增datasource
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*
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* @author fengshuonan
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* @Date 2019-06-12 14:51
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*/
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public static void addDataSource(String dbName, DataSource dataSource) {
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DATA_SOURCES.put(dbName, dataSource);
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}
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/**
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* 获取数据源
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*
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* @author fengshuonan
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* @Date 2019-06-12 13:50
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*/
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public static Map<String, DataSource> getDataSources() {
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return DATA_SOURCES;
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}
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/**
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* 获取数据源的配置
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*
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* @author fengshuonan
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* @Date 2019-06-18 19:26
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*/
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public static Map<String, DruidProperties> getDataSourcesConfs() {
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return DATA_SOURCES_CONF;
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}
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/**
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* 数据源创建模板
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*/
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public static DataSource createDataSource(String dataSourceName, DruidProperties druidProperties) {
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//添加到全局配置里
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DATA_SOURCES_CONF.put(dataSourceName, druidProperties);
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return AtomikosFactory.create(dataSourceName, druidProperties);
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}
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}
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