/**
* 基于dbGroupKey、appName来初始化多个TAtomDataSource
*
* @throws com.taobao.tddl.jdbc.group.exception.ConfigException
*/
public void init() {
if (dsKeyAndWeightCommaArray != null) {
// 本地配置方式：dsKeyAndWeightCommaArray + dataSourceFetcher + dyType
DataSourceFetcher wrapper =
new DataSourceFetcher() {
@Override
public DataSource getDataSource(String key) {
return dataSourceFetcher.getDataSource(key);
}
@Override
public DBType getDataSourceDBType(String key) {
DBType type = dataSourceFetcher.getDataSourceDBType(key);
return type == null ? dbType : type; // 如果dataSourceFetcher没dbType，用tgds的dbType
}
};
List<DataSourceWrapper> dss =
ConfigManager.buildDataSourceWrapper(dsKeyAndWeightCommaArray, wrapper);
init(dss);
} else {
checkProperties();
configManager = new ConfigManager(this);
configManager.init();
}
}
public static TGroupDataSource build(
String groupKey, String dsWeights, DataSourceFetcher fetcher, DataSourceType dataSourceType) {
List<DataSourceWrapper> dss = ConfigManager.buildDataSourceWrapper(dsWeights, fetcher);
TGroupDataSource tGroupDataSource = new TGroupDataSource();
tGroupDataSource.setDataSourceType(dataSourceType);
tGroupDataSource.setDbGroupKey(groupKey);
tGroupDataSource.init(dss);
return tGroupDataSource;
}
public void init(List<DataSourceWrapper> dataSourceWrappers) {
configManager = new ConfigManager(this);
configManager.init(dataSourceWrappers);
}
/**
* 销毁数据源，慎用
*
* @throws Exception
*/
public void destroyDataSource() throws Exception {
if (configManager != null) {
configManager.destroyDataSource();
}
}
// 包访问级别，调用者不能缓存，否则会失去动态性
DBSelector getDBSelector(boolean isRead) {
return configManager.getDBSelector(isRead, this.autoSelectWriteDataSource);
}
/** 危险接口。一般用于测试。应用也可以直接通过该接口重置数据源配置 */
public void resetDbGroup(String configInfo) {
configManager.resetDbGroup(configInfo);
}