determining if {HEAD ~ the feature instance} identified in a lock transfer request by another session is locked by {TAIL ~ a short transaction lock}; and if not, 
is locked by
determining if { HEAD ~ the feature instance } identified in a lock transfer request by another session is locked by { TAIL ~ a short transaction lock } ; and if not ,
OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH OTH OTH OTH OTH OTH OTH OTH OTH REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH