tree 4fed049547885332e1a23735ce981df1c0397cfe
parent 55f96ea4ad3fd746e36e8d49e420d7cd643fff01
author DongRyeol Cha <dr83.cha@samsung.com> 1578534908 +0900
committer Thomas Vachuska <tom@opennetworking.org> 1578936272 +0000

Add a exceptional port number to do not display port number

The PortNumber class always displays numeric value if it has name.
But in some case, we don't want to display numeric value.

This patch provide this behavior.

Change-Id: I3d91742594c4aef7eaa103190159605aed31e2a0
(cherry picked from commit da008e376750265c795ffd51d748478d74cb7e10)