| 60 | } |
| 61 | |
| 62 | void writeInternal(FactorizedTable& fTable, nodeID_t dstNodeID, |
| 63 | LimitCounter* counter) override { |
| 64 | if (dstNodeID == sourceNodeID_) { // Skip writing |
| 65 | return; |
| 66 | } |
| 67 | auto firstParent = bfsGraph.getParentListHead(dstNodeID.offset); |
| 68 | if (firstParent == nullptr) { // Skip if dst is not visited. |
| 69 | return; |
| 70 | } |
| 71 | if (firstParent->getCost() == std::numeric_limits<double>::max()) { |
| 72 | // Skip if dst is not visited. |
| 73 | return; |
| 74 | } |
| 75 | costVector->setValue<double>(0, firstParent->getCost()); |
| 76 | std::vector<ParentList*> curPath; |
| 77 | curPath.push_back(firstParent); |
| 78 | auto backtracking = false; |
| 79 | while (!curPath.empty()) { |
| 80 | if (context->interrupted()) { |
| 81 | throw InterruptException{}; |
| 82 | } |
| 83 | if (curPath[curPath.size() - 1]->getCost() == 0) { // Find source. Start writing path. |
| 84 | curPath.pop_back(); |
| 85 | writePath(curPath); |
| 86 | fTable.append(vectors); |
| 87 | if (updateCounterAndTerminate(counter)) { |
| 88 | return; |
| 89 | } |
| 90 | backtracking = true; |
| 91 | } |
| 92 | auto topIdx = curPath.size() - 1; |
| 93 | if (backtracking) { |
| 94 | auto next = curPath[topIdx]->getNextPtr(); |
| 95 | if (next != nullptr) { // Find next top node with the same cost. |
| 96 | DASSERT(curPath[topIdx]->getCost() == next->getCost()); |
| 97 | curPath[topIdx] = next; |
| 98 | backtracking = false; |
| 99 | } else { // Move to next top. |
| 100 | curPath.pop_back(); |
| 101 | } |
| 102 | } else { // Forward track fill path. |
| 103 | auto parent = bfsGraph.getParentListHead(curPath[topIdx]->getNodeID()); |
| 104 | DASSERT(parent != nullptr); |
| 105 | curPath.push_back(parent); |
| 106 | backtracking = false; |
| 107 | } |
| 108 | } |
| 109 | } |
| 110 | |
| 111 | std::unique_ptr<RJOutputWriter> copy() override { |
| 112 | return std::make_unique<AWSPPathsOutputWriter>(context, outputNodeMask, sourceNodeID_, info, |
nothing calls this directly
no test coverage detected