this.readDBSelectorWrapper = r_DBSelector;
this.writeDBSelectorWrapper = w_DBSelector;
if (tGroupDataSource.getAutoSelectWriteDataSource())
runtimeWritableAtomDBSelectorWrapper = new RuntimeWritableAtomDBSelector(
dataSourceWrapperMap, groupExtraConfig);
// System.out.println("dataSourceWrapperMap=" + dataSourceWrapperMap);
if (this.dataSourceChangeListener != null) {
dataSourceChangeListener.onDataSourceChanged(null);// ҵ��ͨ��getDataSource()��ȡ���º�Ľ��