com.antelmann.db
Interface DBAccessController

public interface DBAccessController

used to control access on database resources in an AbstractDatabase.

Since:

11. Dezember 2006, 16:11

Author:

Holger Antelmann

See Also:

AbstractDatabase, DBClassStore

Method Summary

void	checkAccess(DBClassStore<?> store, DBClassStore.DBMethod method, Object parameter) controls access to the database via the DBClassStore interface; information on the state of the database (like its current user) can be accessed through the given DBClassStore.

Method Detail

checkAccess

void checkAccess(DBClassStore<?> store,
                 DBClassStore.DBMethod method,
                 Object parameter)
                 throws DBAccessDeniedWarning,
                        DatabaseException

controls access to the database via the DBClassStore interface; information on the state of the database (like its current user) can be accessed through the given DBClassStore.

Calls to the methods getDatabase() and getEntryClass() go unchecked.

When this method is called by an AbstractDatabase, there is an ongoing transaction and the current thread is the owner of the transaction.

Parameters:

parameter - depending on the actual method called, this parameter is either a Resource, its ID or a Filter; it may also be null.

Throws:

DBAccessDeniedWarning - to indicate that the operation is not to proceed due to security restrictions. (E.g. the current user on the database of the given store may not have sufficient rights to update the database.)

DatabaseException

See Also:

DBClassStore, DBEntry