Base Pakage for {@link com.top_logic.dsa.DataSourceAdaptor}, {@link com.top_logic.dsa.DataAccessProxy} and the {@link com.top_logic.dsa.DataAccessService}.

{@link com.top_logic.dsa.DataSourceAdaptor}s allow stream based or structured access to hierarchical data. The data may optionally be versioned. {@link com.top_logic.dsa.DataAccessProxy} hides the possible (multiple) implementations of DataSourceAdaptors behind a common access method. The {@link com.top_logic.dsa.DataAccessService} manages alle Dataosurces and cares for theire setup and teardown.