#include "network_set.h"
void NetworkSet::Clear() {
network_by_item_.clear();
}
void NetworkSet::AddLink(int id1, int id2) {
if (id2 > id1) {
// Make sure id1 < id2
std::swap(id1, id2);
}
if (!network_by_item_.count(id1)) {
network_by_item_[id1] = {};
}
if (!network_by_item_.count(id2)) {
network_by_item_[id2] = {};
}
network_by_item_[id1].insert({id1, id2});
network_by_item_[id2].insert({id1, id2});
}
bool NetworkSet::IsItemInNetwork(int id) const {
return network_by_item_.count(id);
}
const std::set<std::pair<int, int>>& NetworkSet::GetNetworkGraph(int id) const {
return network_by_item_.at(id);
}