The ONOS platform tracks or identifies applications by their registration with the core service. Although there is a JAVA API for doing this, there is no corresponding REST API.
Even external apps should register with the core service because that is how the ONOS platform identifies/tracks apps.
|9168,4||[ONOS-4409] Support applicationId registration and query via REST||master||onos||Status: MERGED||+2||+1|
|9222,4||[ONOS-4409] Merge getApp REST methods into one, revise unit test||master||onos||Status: MERGED||+2||+1|