def construct_vector(name, hash_set, dup_map):
if name == "": # skipping - no file
return False
if name in dup_map: # skipping -- duplicate
return False
if len(hash_set) < 2: # skipping -- empty or singleton
return False
return [FnameMap.get_id(name),
[ChecksumMap.get_id(hval) for hval in hash_set]]
