feat!(format):change the naming of vertex/edge unique identify type from label to type

cpp/examples/bfs_father_example.cc

@@ -41,10 +41,10 @@ int main(int argc, char* argv[]) {
   std::cout << "num_vertices: " << num_vertices << std::endl;
 
   // get the "person_knows_person" edges of graph
-  std::string src_label = "person", edge_label = "knows", dst_label = "person";
-  auto maybe_edges = graphar::EdgesCollection::Make(
-      graph_info, src_label, edge_label, dst_label,
-      graphar::AdjListType::unordered_by_source);
+  std::string src_type = "person", edge_type = "knows", dst_type = "person";
+  auto maybe_edges =
+      graphar::EdgesCollection::Make(graph_info, src_type, edge_type, dst_type,
+                                     graphar::AdjListType::unordered_by_source);
   ASSERT(!maybe_edges.has_error());
   auto& edges = maybe_edges.value();
 
@@ -130,16 +130,16 @@ int main(int argc, char* argv[]) {
   ASSERT(writer.WriteTable(table, group, 0).ok());
 
   // construct a new graph
-  src_label = "person";
-  edge_label = "bfs";
-  dst_label = "person";
+  src_type = "person";
+  edge_type = "bfs";
+  dst_type = "person";
   int edge_chunk_size = 1024, src_chunk_size = 100, dst_chunk_size = 100;
   bool directed = true;
   auto version = graphar::InfoVersion::Parse("gar/v1").value();
   auto al = graphar::CreateAdjacentList(graphar::AdjListType::ordered_by_source,
                                         graphar::FileType::CSV);
   auto new_edge_info = graphar::CreateEdgeInfo(
-      src_label, edge_label, dst_label, edge_chunk_size, src_chunk_size,
+      src_type, edge_type, dst_type, edge_chunk_size, src_chunk_size,
       dst_chunk_size, directed, {al}, {}, "", version);
   ASSERT(new_edge_info->IsValidated());
   // save & dump

cpp/examples/bfs_pull_example.cc

@@ -41,10 +41,10 @@ int main(int argc, char* argv[]) {
   std::cout << "num_vertices: " << num_vertices << std::endl;
 
   // construct edges collection
-  std::string src_label = "person", edge_label = "knows", dst_label = "person";
-  auto maybe_edges = graphar::EdgesCollection::Make(
-      graph_info, src_label, edge_label, dst_label,
-      graphar::AdjListType::ordered_by_dest);
+  std::string src_type = "person", edge_type = "knows", dst_type = "person";
+  auto maybe_edges =
+      graphar::EdgesCollection::Make(graph_info, src_type, edge_type, dst_type,
+                                     graphar::AdjListType::ordered_by_dest);
   ASSERT(!maybe_edges.has_error());
   auto& edges = maybe_edges.value();
 

cpp/examples/bfs_push_example.cc

@@ -41,10 +41,10 @@ int main(int argc, char* argv[]) {
   std::cout << "num_vertices: " << num_vertices << std::endl;
 
   // construct edges collection
-  std::string src_label = "person", edge_label = "knows", dst_label = "person";
-  auto maybe_edges = graphar::EdgesCollection::Make(
-      graph_info, src_label, edge_label, dst_label,
-      graphar::AdjListType::ordered_by_source);
+  std::string src_type = "person", edge_type = "knows", dst_type = "person";
+  auto maybe_edges =
+      graphar::EdgesCollection::Make(graph_info, src_type, edge_type, dst_type,
+                                     graphar::AdjListType::ordered_by_source);
   ASSERT(!maybe_edges.has_error());
   auto& edges = maybe_edges.value();
 

cpp/examples/bfs_stream_example.cc

@@ -41,10 +41,10 @@ int main(int argc, char* argv[]) {
   std::cout << "num_vertices: " << num_vertices << std::endl;
 
   // construct edges collection
-  std::string src_label = "person", edge_label = "knows", dst_label = "person";
-  auto maybe_edges = graphar::EdgesCollection::Make(
-      graph_info, src_label, edge_label, dst_label,
-      graphar::AdjListType::unordered_by_source);
+  std::string src_type = "person", edge_type = "knows", dst_type = "person";
+  auto maybe_edges =
+      graphar::EdgesCollection::Make(graph_info, src_type, edge_type, dst_type,
+                                     graphar::AdjListType::unordered_by_source);
   ASSERT(!maybe_edges.has_error());
   auto& edges = maybe_edges.value();
 

cpp/examples/bgl_example.cc

@@ -48,10 +48,10 @@ int main(int argc, char* argv[]) {
   std::cout << "num_vertices: " << num_vertices << std::endl;
 
   // construct edges collection
-  std::string src_label = "person", edge_label = "knows", dst_label = "person";
-  auto maybe_edges = graphar::EdgesCollection::Make(
-      graph_info, src_label, edge_label, dst_label,
-      graphar::AdjListType::ordered_by_source);
+  std::string src_type = "person", edge_type = "knows", dst_type = "person";
+  auto maybe_edges =
+      graphar::EdgesCollection::Make(graph_info, src_type, edge_type, dst_type,
+                                     graphar::AdjListType::ordered_by_source);
   ASSERT(!maybe_edges.has_error());
   auto& edges = maybe_edges.value();
 
@@ -108,10 +108,10 @@ int main(int argc, char* argv[]) {
   auto group =
       graphar::CreatePropertyGroup(property_vector, graphar::FileType::PARQUET);
   // construct new vertex info
-  std::string vertex_label = "cc_result", vertex_prefix = "result/";
+  std::string type = "cc_result", vertex_prefix = "result/";
   int chunk_size = 100;
   auto version = graphar::InfoVersion::Parse("gar/v1").value();
-  auto new_info = graphar::CreateVertexInfo(vertex_label, chunk_size, {group},
+  auto new_info = graphar::CreateVertexInfo(type, chunk_size, {group},
                                             vertex_prefix, version);
   // dump new vertex info
   ASSERT(new_info->IsValidated());

cpp/examples/cc_push_example.cc

@@ -42,15 +42,15 @@ int main(int argc, char* argv[]) {
   std::cout << "num_vertices: " << num_vertices << std::endl;
 
   // construct edges collection
-  std::string src_label = "person", edge_label = "knows", dst_label = "person";
-  auto expect1 = graphar::EdgesCollection::Make(
-      graph_info, src_label, edge_label, dst_label,
-      graphar::AdjListType::ordered_by_source);
+  std::string src_type = "person", edge_type = "knows", dst_type = "person";
+  auto expect1 =
+      graphar::EdgesCollection::Make(graph_info, src_type, edge_type, dst_type,
+                                     graphar::AdjListType::ordered_by_source);
   ASSERT(!expect1.has_error());
   auto& edges1 = expect1.value();
-  auto expect2 = graphar::EdgesCollection::Make(
-      graph_info, src_label, edge_label, dst_label,
-      graphar::AdjListType::ordered_by_dest);
+  auto expect2 =
+      graphar::EdgesCollection::Make(graph_info, src_type, edge_type, dst_type,
+                                     graphar::AdjListType::ordered_by_dest);
   ASSERT(!expect2.has_error());
   auto& edges2 = expect2.value();
 

cpp/examples/cc_stream_example.cc

@@ -42,10 +42,10 @@ int main(int argc, char* argv[]) {
   std::cout << "num_vertices: " << num_vertices << std::endl;
 
   // construct edges collection
-  std::string src_label = "person", edge_label = "knows", dst_label = "person";
-  auto maybe_edges = graphar::EdgesCollection::Make(
-      graph_info, src_label, edge_label, dst_label,
-      graphar::AdjListType::ordered_by_source);
+  std::string src_type = "person", edge_type = "knows", dst_type = "person";
+  auto maybe_edges =
+      graphar::EdgesCollection::Make(graph_info, src_type, edge_type, dst_type,
+                                     graphar::AdjListType::ordered_by_source);
   ASSERT(!maybe_edges.has_error());
   auto& edges = maybe_edges.value();
 

cpp/examples/construct_info_example.cc

@@ -27,7 +27,7 @@ int main(int argc, char* argv[]) {
   auto version = graphar::InfoVersion::Parse("gar/v1").value();
 
   // meta info
-  std::string vertex_label = "person", vertex_prefix = "vertex/person/";
+  std::string type = "person", vertex_prefix = "vertex/person/";
   int chunk_size = 100;
 
   // construct properties and property groups
@@ -43,11 +43,11 @@ int main(int argc, char* argv[]) {
       graphar::CreatePropertyGroup(property_vector_2, graphar::FileType::ORC);
 
   // create vertex info
-  auto vertex_info = graphar::CreateVertexInfo(
-      vertex_label, chunk_size, {group1}, vertex_prefix, version);
+  auto vertex_info = graphar::CreateVertexInfo(type, chunk_size, {group1},
+                                               vertex_prefix, version);
 
   ASSERT(vertex_info != nullptr);
-  ASSERT(vertex_info->GetLabel() == vertex_label);
+  ASSERT(vertex_info->GetType() == type);
   ASSERT(vertex_info->GetChunkSize() == chunk_size);
   ASSERT(vertex_info->GetPropertyGroups().size() == 1);
   ASSERT(vertex_info->HasProperty("id"));
@@ -75,7 +75,7 @@ int main(int argc, char* argv[]) {
 
   /*------------------construct edge info------------------*/
   // meta info
-  std::string src_label = "person", edge_label = "knows", dst_label = "person",
+  std::string src_type = "person", edge_type = "knows", dst_type = "person",
               edge_prefix = "edge/person_knows_person/";
   int edge_chunk_size = 1024, src_chunk_size = 100, dst_chunk_size = 100;
   bool directed = false;
@@ -94,13 +94,13 @@ int main(int argc, char* argv[]) {
 
   // create edge info
   auto edge_info = graphar::CreateEdgeInfo(
-      src_label, edge_label, dst_label, edge_chunk_size, src_chunk_size,
+      src_type, edge_type, dst_type, edge_chunk_size, src_chunk_size,
       dst_chunk_size, directed, adjacent_lists, {group3}, edge_prefix, version);
 
   ASSERT(edge_info != nullptr);
-  ASSERT(edge_info->GetSrcLabel() == src_label);
-  ASSERT(edge_info->GetEdgeLabel() == edge_label);
-  ASSERT(edge_info->GetDstLabel() == dst_label);
+  ASSERT(edge_info->GetSrcType() == src_type);
+  ASSERT(edge_info->GetEdgeType() == edge_type);
+  ASSERT(edge_info->GetDstType() == dst_type);
   ASSERT(edge_info->GetChunkSize() == edge_chunk_size);
   ASSERT(edge_info->GetSrcChunkSize() == src_chunk_size);
   ASSERT(edge_info->GetDstChunkSize() == dst_chunk_size);
@@ -154,14 +154,14 @@ int main(int argc, char* argv[]) {
   ASSERT(graph_info->GetName() == name);
   ASSERT(graph_info->GetPrefix() == prefix);
   ASSERT(graph_info->GetVertexInfos().size() == 1);
-  ASSERT(graph_info->GetVertexInfo(vertex_label) != nullptr);
-  auto vertex_info_from_graph = graph_info->GetVertexInfo(vertex_label);
+  ASSERT(graph_info->GetVertexInfo(type) != nullptr);
+  auto vertex_info_from_graph = graph_info->GetVertexInfo(type);
   ASSERT(vertex_info_from_graph != nullptr);
   ASSERT(vertex_info_from_graph->HasPropertyGroup(group1));
   ASSERT(vertex_info_from_graph->HasPropertyGroup(group2));
   ASSERT(graph_info->GetEdgeInfos().size() == 1);
   auto edge_info_from_graph =
-      graph_info->GetEdgeInfo(src_label, edge_label, dst_label);
+      graph_info->GetEdgeInfo(src_type, edge_type, dst_type);
   ASSERT(edge_info_from_graph != nullptr);
   ASSERT(edge_info_from_graph->PropertyGroupNum() == 1);
   ASSERT(edge_info_from_graph->HasPropertyGroup(group3));

cpp/examples/high_level_reader_example.cc

@@ -75,10 +75,10 @@ void vertices_collection(
 
 void edges_collection(const std::shared_ptr<graphar::GraphInfo>& graph_info) {
   // construct edges collection
-  std::string src_label = "person", edge_label = "knows", dst_label = "person";
-  auto expect = graphar::EdgesCollection::Make(
-      graph_info, src_label, edge_label, dst_label,
-      graphar::AdjListType::ordered_by_source);
+  std::string src_type = "person", edge_type = "knows", dst_type = "person";
+  auto expect =
+      graphar::EdgesCollection::Make(graph_info, src_type, edge_type, dst_type,
+                                     graphar::AdjListType::ordered_by_source);
   ASSERT(!expect.has_error());
   auto edges = expect.value();
 

cpp/examples/low_level_reader_example.cc

@@ -61,9 +61,9 @@ void vertex_property_chunk_info_reader(
 void adj_list_chunk_info_reader(
     const std::shared_ptr<graphar::GraphInfo>& graph_info) {
   // construct reader
-  std::string src_label = "person", edge_label = "knows", dst_label = "person";
+  std::string src_type = "person", edge_type = "knows", dst_type = "person";
   auto maybe_reader = graphar::AdjListChunkInfoReader::Make(
-      graph_info, src_label, edge_label, dst_label,
+      graph_info, src_type, edge_type, dst_type,
       graphar::AdjListType::ordered_by_source);
   ASSERT(maybe_reader.status().ok());
   auto reader = maybe_reader.value();
@@ -92,11 +92,11 @@ void adj_list_chunk_info_reader(
 void adj_list_property_chunk_info_reader(
     const std::shared_ptr<graphar::GraphInfo>& graph_info) {
   // construct reader
-  std::string src_label = "person", edge_label = "knows", dst_label = "person",
+  std::string src_type = "person", edge_type = "knows", dst_type = "person",
               property_name = "creationDate";
 
   auto maybe_property_reader = graphar::AdjListPropertyChunkInfoReader::Make(
-      graph_info, src_label, edge_label, dst_label, property_name,
+      graph_info, src_type, edge_type, dst_type, property_name,
       graphar::AdjListType::ordered_by_source);
   ASSERT(maybe_property_reader.status().ok());
   auto reader = maybe_property_reader.value();

cpp/examples/mid_level_reader_example.cc

@@ -89,9 +89,9 @@ void vertex_property_chunk_reader(
 void adj_list_chunk_reader(
     const std::shared_ptr<graphar::GraphInfo>& graph_info) {
   // create reader
-  std::string src_label = "person", edge_label = "knows", dst_label = "person";
+  std::string src_type = "person", edge_type = "knows", dst_type = "person";
   auto maybe_reader = graphar::AdjListArrowChunkReader::Make(
-      graph_info, src_label, edge_label, dst_label,
+      graph_info, src_type, edge_type, dst_type,
       graphar::AdjListType::ordered_by_source);
   ASSERT(maybe_reader.status().ok());
 
@@ -124,10 +124,10 @@ void adj_list_chunk_reader(
 void adj_list_property_chunk_reader(
     const std::shared_ptr<graphar::GraphInfo>& graph_info) {
   // create reader
-  std::string src_label = "person", edge_label = "knows", dst_label = "person",
+  std::string src_type = "person", edge_type = "knows", dst_type = "person",
               property_name = "creationDate";
   auto maybe_reader = graphar::AdjListPropertyArrowChunkReader::Make(
-      graph_info, src_label, edge_label, dst_label, property_name,
+      graph_info, src_type, edge_type, dst_type, property_name,
       graphar::AdjListType::ordered_by_source);
   ASSERT(maybe_reader.status().ok());
   auto reader = maybe_reader.value();
@@ -165,7 +165,7 @@ void adj_list_property_chunk_reader(
   auto filter = graphar::_And(expr1, expr2);
   std::vector<std::string> expected_cols{"creationDate"};
   auto maybe_filter_reader = graphar::AdjListPropertyArrowChunkReader::Make(
-      graph_info, src_label, edge_label, dst_label, property_name,
+      graph_info, src_type, edge_type, dst_type, property_name,
       graphar::AdjListType::ordered_by_source);
   ASSERT(maybe_filter_reader.status().ok());
   auto filter_reader = maybe_filter_reader.value();
@@ -181,9 +181,9 @@ void adj_list_property_chunk_reader(
 void adj_list_offset_chunk_reader(
     const std::shared_ptr<graphar::GraphInfo>& graph_info) {
   // create reader
-  std::string src_label = "person", edge_label = "knows", dst_label = "person";
+  std::string src_type = "person", edge_type = "knows", dst_type = "person";
   auto maybe_reader = graphar::AdjListOffsetArrowChunkReader::Make(
-      graph_info, src_label, edge_label, dst_label,
+      graph_info, src_type, edge_type, dst_type,
       graphar::AdjListType::ordered_by_source);
   ASSERT(maybe_reader.status().ok());
   auto reader = maybe_reader.value();

cpp/examples/mid_level_writer_example.cc

@@ -107,7 +107,7 @@ void vertex_property_writer(
       GetTestingResourceRoot() + "/ldbc_sample/parquet/" + "person.vertex.yml";
   auto vertex_meta = graphar::Yaml::LoadFile(vertex_meta_file).value();
   auto vertex_info = graphar::VertexInfo::Load(vertex_meta).value();
-  ASSERT(vertex_info->GetLabel() == "person");
+  ASSERT(vertex_info->GetType() == "person");
 
   auto maybe_writer = graphar::VertexPropertyWriter::Make(vertex_info, "/tmp/");
   ASSERT(maybe_writer.status().ok());

cpp/examples/pagerank_example.cc

@@ -42,10 +42,10 @@ int main(int argc, char* argv[]) {
   std::cout << "num_vertices: " << num_vertices << std::endl;
 
   // construct edges collection
-  std::string src_label = "person", edge_label = "knows", dst_label = "person";
-  auto maybe_edges = graphar::EdgesCollection::Make(
-      graph_info, src_label, edge_label, dst_label,
-      graphar::AdjListType::ordered_by_source);
+  std::string src_type = "person", edge_type = "knows", dst_type = "person";
+  auto maybe_edges =
+      graphar::EdgesCollection::Make(graph_info, src_type, edge_type, dst_type,
+                                     graphar::AdjListType::ordered_by_source);
   ASSERT(!maybe_edges.has_error());
   auto& edges = maybe_edges.value();
 

cpp/examples/snap_dataset_to_graphar.cc

@@ -46,18 +46,18 @@ int main(int argc, char* argv[]) {
   auto version = graphar::InfoVersion::Parse("gar/v1").value();
 
   // meta info
-  std::string vertex_label = "node", vertex_prefix = "vertex/node/";
+  std::string type = "node", vertex_prefix = "vertex/node/";
 
   // create vertex info
-  auto vertex_info = graphar::CreateVertexInfo(vertex_label, VERTEX_CHUNK_SIZE,
-                                               {}, vertex_prefix, version);
+  auto vertex_info = graphar::CreateVertexInfo(type, VERTEX_CHUNK_SIZE, {},
+                                               vertex_prefix, version);
 
   // save & dump
   ASSERT(!vertex_info->Dump().has_error());
   ASSERT(vertex_info->Save(save_path + "node.vertex.yml").ok());
 
   /*------------------construct edge info------------------*/
-  std::string src_label = "node", edge_label = "links", dst_label = "node",
+  std::string src_type = "node", edge_type = "links", dst_type = "node",
               edge_prefix = "edge/node_links_node/";
   bool directed = IS_DIRECTED;
 
@@ -66,7 +66,7 @@ int main(int argc, char* argv[]) {
       graphar::CreateAdjacentList(ADJLIST_TYPE, PAYLOAD_TYPE)};
   // create edge info
   auto edge_info = graphar::CreateEdgeInfo(
-      src_label, edge_label, dst_label, EDGE_CHUNK_SIZE, VERTEX_CHUNK_SIZE,
+      src_type, edge_type, dst_type, EDGE_CHUNK_SIZE, VERTEX_CHUNK_SIZE,
       VERTEX_CHUNK_SIZE, directed, adjacent_lists, {}, edge_prefix, version);
 
   // save & dump