question: @ Override public void validate ( PipelineOptions options ) { checkNotNull ( classToBind , "Missing a class to bind to a JAXB context." ) ; checkNotNull ( rootElementName , "Missing a root element name." ) ; checkNotNull ( baseOutputFilename , "Missing a filename to write to." ) ; try { JAXBContext . newInstance ( classToBind ) ; } catch ( JAXBException e ) { throw new RuntimeException ( "Error binding classes to a JAXB Context." , e ) ; } }
target:  Validates that the root element, class to bind to a JAXB context, and filenamePrefix have been set and that the class can be bound in a JAXB context.