adding getOppositeRelation method helper
adding getOppositeRelation method helper

luiseduardohdbackup/diem,PolibudaInfo/diem,luiseduardohdbackup/diem,PolibudaInfo/diem,PolibudaInfo/diem,PolibudaInfo/diem,luiseduardohdbackup/diem,luiseduardohdbackup/diem