Reading the files in the HANA connector is very similar to the way how they can be read in the BW connector.

List of files

File	Level	Content

File	Level	Content
Details.<SID>.xml	Object level	Details of Calculation Views (like description or other properties). DB Views are identified as Calculation Views here.
Relations.<SID>.xml	Object level	Relations between DB Views and Tables
Buildups.<SID>.xml	Field level	Buildup HANA Tables and Views
Mappings.<SID>.xml	Field level	Mappings between fields of Calculation Views
BuildupDescriptions.<SID>.xml	Field level	Descriptions of fields
uml.<SID>.xml	Object and field level	all content of object and field level in one uml like file

Documentation - Metadata API