||Database Connection Broker Implementation for DbConnectionBroker
||DbConnectionBroker A servlet-based broker for database connections.
||DBManager is responsible for the access to the database.
||FieldMapping is a wrapper class that holds data about the mapping of one
||This class provides all necessary information for the mapping of all objects
of a class.
||Every class that you want to store in the database using the mechanism
provided by this package has to extend this abstract class.