def get_incoming_arcs(self) -> _k2.RaggedInt:
'''Get (and compute if necessary) cached property self.incoming_arcs
For use by internal k2 code, relates to best-path'''
if hasattr(self, 'incoming_arcs') is False:
dest_states = self.get_dest_states()
incoming_arcs = _k2._get_incoming_arcs(self.arcs, dest_states)
self._update_cache('incoming_arcs', incoming_arcs)
return self.incoming_arcs
def get_incoming_arcs(self) -> _k2.RaggedInt:
'''Get (and compute if necessary) cached property self.incoming_arcs
For use by internal k2 code, relates to best-path'''
name, cache = 'incoming_arcs', self._cache
if name not in cache:
cache[name] = _k2._get_incoming_arcs(self.arcs,
self.get_dest_states())
return cache[name]
def update_incoming_arcs(self) -> _k2.RaggedInt:
if hasattr(self, 'incoming_arcs') is False:
dest_states = self.update_dest_states()
incoming_arcs = _k2._get_incoming_arcs(self.arcs, dest_states)
self._update_cache('incoming_arcs', incoming_arcs)
return self.incoming_arcs