Method SetNode

src/linkgraph/mcf.cpp:166–177

* Setup the node to retrieve edges from. * @param source Root of the current path tree. * @param node Current node to be checked for outgoing flows. */

	 * @param node Current node to be checked for outgoing flows.
	 */
	void SetNode(NodeID source, NodeID node)
	{
		const FlowStatMap &flows = this->job[node].flows;
		FlowStatMap::const_iterator it = flows.find(this->job[source].base.station);
		if (it != flows.end()) {
			this->it = it->second.GetShares()->begin();
			this->end = it->second.GetShares()->end();
		} else {
			this->it = FlowStat::empty_sharesmap.begin();
			this->end = FlowStat::empty_sharesmap.end();
		}
	}

	/**
	 * Get the next node for which a flow exists.