Need ABAP code to read the hierarchy table

Hi Experts,

I am working on a requirement with the organizational hierarchy in SAP BW.

Below is the requirement.

I got the organizational unit number  which I am getting it from the master data infobject, org unit is one of the attributes in the employee master data.but I need to get the parent organizational unit number of the org unit. attached screen shot explains about the h table.

Org Unit num..31343613

Parent Org Unit..30878537

Hope some one have worked on this requirement, please share your thoughts  and the ABAP code to chase this challenge.