Returns the Class of UserDefinedType for the name of a given user class.
Returns the Class of UserDefinedType for the name of a given user class.
class name of user class
Option value of the Class object of UserDefinedType
Register all of the UDTs
Registers an UserDefinedType to an user class.
Registers an UserDefinedType to an user class. If the user class is already registered with another UserDefinedType, warning log message will be shown.
the name of user class
the name of UserDefinedType class for the given userClass
This class expose the UDT registration which is private in spark. The UDT is serialized and saved using java serialization