total Load Weight Accumulator
fun totalLoadWeightAccumulator(filler: DemandFillerIfc, sender: DemandSenderIfc): CounterCIfc?(source)
Per-edge cumulative weight of all demands shipped on the (filler, sender) edge in the current replication (post-warmup), or null if the edge is unregistered. Sum of demand.weight across every transportDemand(demand) routed on this edge.