Package providing basic java type handling for DataNucleus. TypeManager provides the entry point for accessing java type capabilities in DataNucleus. ObjectStringConverter provides an interface for converting between a java type and a String for particular benefit in datastores that don't support native handling of that type. Each java type that provides conversion to String has its own implementation of this interface. ObjectLongConverter provides an interface for converting between a java type and a Long for particular benefit in datastores that don't support native handling of that type. Each java type that provides conversion to Long has its own implementation of this interface.