void SingleServerTraversalPath::lastEdgeToVelocyPack(arangodb::Transaction* trx, VPackBuilder& result) {
if (_path.edges.empty()) {
result.add(arangodb::basics::VelocyPackHelper::NullValue());
return;
}
auto cached = _traverser->_edges.find(_path.edges.back());
// All edges are cached!!
TRI_ASSERT(cached != _traverser->_edges.end());
result.addExternal((*cached).second);
}
void SingleServerTraverser::addVertexToVelocyPack(VPackSlice id,
VPackBuilder& result) {
TRI_ASSERT(id.isString());
auto it = _vertices.find(id);
if (it == _vertices.end()) {
StringRef ref(id);
int res = FetchDocumentById(_trx, ref, *_mmdr);
++_readDocuments;
if (res != TRI_ERROR_NO_ERROR) {
result.add(basics::VelocyPackHelper::NullValue());
} else {
uint8_t const* p = _mmdr->vpack();
_vertices.emplace(id, p);
result.addExternal(p);
}
} else {
result.addExternal((*it).second);
}
}
void SingleServerTraversalPath::pathToVelocyPack(arangodb::Transaction* trx,
VPackBuilder& result) {
result.openObject();
result.add(VPackValue("edges"));
result.openArray();
for (auto const& it : _path.edges) {
auto cached = _traverser->_edges.find(it);
// All edges are cached!!
TRI_ASSERT(cached != _traverser->_edges.end());
result.addExternal((*cached).second);
}
result.close();
result.add(VPackValue("vertices"));
result.openArray();
for (auto const& it : _path.vertices) {
result.add(_traverser->fetchVertexData(it).slice());
}
result.close();
result.close();
}
void SingleServerTraverser::addEdgeToVelocyPack(VPackSlice edge,
VPackBuilder& result) {
result.addExternal(edge.begin());
}
