[FEAT][C++] Change the default namespace to graphar

cpp/CMakeLists.txt

@@ -37,15 +37,15 @@ project(graph-archive LANGUAGES C CXX VERSION ${GAR_VERSION})
 # cmake options
 # ------------------------------------------------------------------------------
 
-option(NAMESPACE "User specific namespace, default if GraphArchive" OFF)
+option(NAMESPACE "User specific namespace, default is graphar" OFF)
 option(BUILD_TESTS "Build unit tests" OFF)
 option(BUILD_EXAMPLES "Build examples" OFF)
 option(BUILD_BENCHMARKS "Build benchmarks" OFF)
 
 if (NAMESPACE)
   add_definitions(-DGAR_NAMESPACE=${NAMESPACE})
 else()
-  add_definitions(-DGAR_NAMESPACE=GraphArchive)
+  add_definitions(-DGAR_NAMESPACE=graphar)
 endif()
 # ------------------------------------------------------------------------------
 # setting default cmake type to Release

cpp/README.md

@@ -59,7 +59,7 @@ Release build:
 Build with a custom namespace:
 
 The `namespace` is configurable. By default,
-it is defined in `namespace GraphArchive`; however this can be toggled by
+it is defined in `namespace graphar`; however this can be toggled by
 setting `NAMESPACE` option with cmake:
 
 ```bash

cpp/examples/high_level_writer_example.cc

@@ -75,7 +75,7 @@ void edges_builder() {
   auto edge_info = GAR_NAMESPACE::EdgeInfo::Load(edge_meta).value();
   auto vertex_count = 3;
   GAR_NAMESPACE::builder::EdgesBuilder builder(
-      edge_info, "/tmp/", GraphArchive::AdjListType::ordered_by_dest,
+      edge_info, "/tmp/", GAR_NAMESPACE::AdjListType::ordered_by_dest,
       vertex_count);
 
   // set validate level

cpp/include/gar/fwd.h

@@ -50,7 +50,7 @@ class Status;
  * returns false. Sample usage:
  *
  * ```
- *   GraphArchive::Result<Foo> result = CalculateFoo();
+ *   graphar::Result<Foo> result = CalculateFoo();
  *   if (!result.has_error()) {
  *     Foo foo = result.value();
  *     foo.DoSomethingCool();

cpp/include/gar/util/macros.h

@@ -38,7 +38,7 @@
 #if defined(GAR_NAMESPACE)
 #define GAR_NAMESPACE_INTERNAL GAR_NAMESPACE
 #else
-#define GAR_NAMESPACE_INTERNAL GraphArchive
+#define GAR_NAMESPACE_INTERNAL graphar
 #endif
 
 #define GAR_EXPAND(x) x

cpp/test/test_builder.cc

@@ -141,8 +141,7 @@ TEST_CASE("test_edges_builder") {
   auto edge_info = EdgeInfo::Load(edge_meta).value();
   auto vertices_num = 903;
   auto maybe_builder = builder::EdgesBuilder::Make(
-      edge_info, "/tmp/", GraphArchive::AdjListType::ordered_by_dest,
-      vertices_num);
+      edge_info, "/tmp/", AdjListType::ordered_by_dest, vertices_num);
   REQUIRE(!maybe_builder.has_error());
   auto builder = maybe_builder.value();
 

docs/cpp/examples/bgl.rst

@@ -10,15 +10,15 @@ The source code of CC based on BGL can be found at `bgl_example.cc`_. In this pr
 .. code:: C++
 
    std::string path = ... // the path of the graph information file
-   auto graph_info = GraphArchive::GraphInfo::Load(path).value();
+   auto graph_info = graphar::GraphInfo::Load(path).value();
 
 And then, the vertex collection and the edge collection are established as the handles to access the graph data:
 
 .. code:: C++
 
-   auto maybe_vertices = GraphArchive::VerticesCollection::Make(graph_info, "person");
+   auto maybe_vertices = graphar::VerticesCollection::Make(graph_info, "person");
    auto vertices = maybe_vertices.value();
-   auto maybe_edges = GraphArchive::EdgesCollection::Make(graph_info, "person", "knows", "person", GraphArchive::AdjListType::ordered_by_source);
+   auto maybe_edges = graphar::EdgesCollection::Make(graph_info, "person", "knows", "person", graphar::AdjListType::ordered_by_source);
    auto edges = maybe_edges.value();
 
 Next, we construct the in-memory graph data structure for BGL by traversing the vertices and edges via GraphAr's high-level reading interface (the vertex iterator and the edge iterator):
@@ -35,7 +35,7 @@ Next, we construct the in-memory graph data structure for BGL by traversing the
    typedef typename boost::graph_traits<Graph>::vertex_descriptor Vertex;
 
    // declare a graph object with (num_vertices) vertices and an edge iterator
-   std::vector<std::pair<GraphArchive::IdType, GraphArchive::IdType>> edges_array;
+   std::vector<std::pair<graphar::IdType, graphar::IdType>> edges_array;
    auto it_begin = edges->begin(), it_end = edges->end();
    for (auto it = it_begin; it != it_end; ++it)
       edges_array.push_back(std::make_pair(it.source(), it.destination()));
@@ -64,14 +64,14 @@ Finally, we could use a **VerticesBuilder** of GraphAr to write the results to n
 .. code:: C++
 
    // construct a new property group
-   GraphArchive::Property cc = {"cc", GraphArchive::int32(), false};
-   std::vector<GraphArchive::Property> property_vector = {cc};
-   auto group = GraphArchive::CreatePropertyGroup(property_vector, GraphArchive::FileType::PARQUET);
+   graphar::Property cc = {"cc", graphar::int32(), false};
+   std::vector<graphar::Property> property_vector = {cc};
+   auto group = graphar::CreatePropertyGroup(property_vector, graphar::FileType::PARQUET);
 
    // construct the new vertex info
    std::string vertex_label = "cc_result", vertex_prefix = "result/";
    int chunk_size = 100;
-   auto new_info = GraphArchive::CreateVertexInfo(vertex_label, chunk_size, {group}, vertex_prefix);
+   auto new_info = graphar::CreateVertexInfo(vertex_label, chunk_size, {group}, vertex_prefix);
 
    // access the vertices via the index map and vertex iterator of BGL
    typedef boost::property_map<Graph, boost::vertex_index_t>::type IndexMap;
@@ -80,10 +80,10 @@ Finally, we could use a **VerticesBuilder** of GraphAr to write the results to n
    std::pair<vertex_iter, vertex_iter> vp;
 
    // dump the results through the VerticesBuilder
-   GraphArchive::builder::VerticesBuilder builder(new_info, "/tmp/");
+   graphar::builder::VerticesBuilder builder(new_info, "/tmp/");
    for (vp = boost::vertices(g); vp.first!= vp.second; ++vp.first) {
       Vertex v = *vp.first;
-      GraphArchive::builder::Vertex vertex(index[v]);
+      graphar::builder::Vertex vertex(index[v]);
       vertex.AddProperty(cc.name, component[index[v]]);
       builder.AddVertex(vertex);
    }

docs/cpp/examples/out-of-core.rst

@@ -32,15 +32,15 @@ This algorithm can be implemented based on streaming the edges via GraphAr's rea
   auto it_begin = edges->begin(), it_end = edges->end();
 
   // initialize for all vertices
-  std::vector<GraphArchive::IdType> component(num_vertices);
-  for (GraphArchive::IdType i = 0; i < num_vertices; i++)
+  std::vector<graphar::IdType> component(num_vertices);
+  for (graphar::IdType i = 0; i < num_vertices; i++)
     component[i] = i;
 
   // stream all edges for each iteration
   for (int iter = 0; ; iter++) {
     bool flag = false;
     for (auto it = it_begin; it != it_end; ++it) {
-      GraphArchive::IdType src = it.source(), dst = it.destination();
+      graphar::IdType src = it.source(), dst = it.destination();
       // update
       if (component[src] < component[dst]) {
           component[dst] = component[src];
@@ -76,16 +76,16 @@ An out-of-core BFS algorithm could be implemented based on streaming the graph d
   auto it_begin = edges->begin(), it_end = edges->end();
 
   // initialize for all vertices
-  GraphArchive::IdType root = 0; // the BFS root
+  graphar::IdType root = 0; // the BFS root
   std::vector<int32_t> distance(num_vertices);
-  for (GraphArchive::IdType i = 0; i < num_vertices; i++)
+  for (graphar::IdType i = 0; i < num_vertices; i++)
     distance[i] = (i == root ? 0 : -1);
 
   // stream all edges for each iteration
   for (int iter = 0; ; iter++) {
-    GraphArchive::IdType count = 0;
+    graphar::IdType count = 0;
     for (auto it = it_begin; it != it_end; ++it) {
-      GraphArchive::IdType src = it.source(), dst = it.destination();
+      graphar::IdType src = it.source(), dst = it.destination();
       // update
       if (distance[src] == iter && distance[dst] == -1) {
         distance[dst] = distance[src] + 1;

docs/cpp/getting-started.rst

@@ -79,7 +79,7 @@ Also, the metadata of a graph can be constructed easily through reading the alre
 
   // construct graph information from file
   std::string path = ... // the path of the graph information file (e.g., ldbc_sample.graph.yml)
-  auto graph_info = GraphArchive::GraphInfo::Load(path).value();
+  auto graph_info = graphar::GraphInfo::Load(path).value();
 
   // get vertex information
   auto vertex_info = graph_info->GetVertexInfo("person");
@@ -103,7 +103,7 @@ As a simple case, the following example shows how to read all vertices with labe
 .. code:: C++
 
   graph_info = ...
-  auto vertices = GraphArchive::VerticesCollection::Make(graph_info, "person").value();
+  auto vertices = graphar::VerticesCollection::Make(graph_info, "person").value();
 
   for (auto it = vertices->begin(); it != vertices->end(); ++it) {
     // get a vertex and access its data
@@ -116,7 +116,7 @@ The next example reads all edges with label "person_knows_person" from the above
 .. code:: C++
 
   graph_info = ...
-  auto expect = GraphArchive::EdgesCollection::Make(graph_info, "person", "konws", "person", GraphArchive::AdjListType::ordered_by_source);
+  auto expect = graphar::EdgesCollection::Make(graph_info, "person", "konws", "person", graphar::AdjListType::ordered_by_source);
   auto edges = expect.value();
 
   for (auto it = edges->begin(); it != edges->end(); ++it) {
@@ -137,10 +137,10 @@ As the simplest cases, the fist example below adds vertices to **VerticesBuilder
 
   vertex_info = ...
   prefix = ...
-  GraphArchive::builder::VerticesBuilder builder(vertex_info,  prefix);
+  graphar::builder::VerticesBuilder builder(vertex_info,  prefix);
 
   // add a vertex
-  GraphArchive::builder::Vertex v;
+  graphar::builder::Vertex v;
   v.AddProperty("id", 933);
   v.AddProperty("firstName", "Alice");
   builder.AddVertex(v);
@@ -155,10 +155,10 @@ As the simplest cases, the fist example below adds vertices to **VerticesBuilder
   edge_info = ...
   prefix = ...
   vertices_num = ...
-  GraphArchive::builder::EdgesBuilder builder(edge_info, prefix, GraphArchive::AdjListType::ordered_by_source, vertices_num);
+  graphar::builder::EdgesBuilder builder(edge_info, prefix, graphar::AdjListType::ordered_by_source, vertices_num);
 
   // add an edge (0 -> 3)
-  GraphArchive::builder::Edge e(0, 3);
+  graphar::builder::Edge e(0, 3);
   e.AddProperty("creationDate", "2011-07-20T20:02:04.233+0000");
   builder.AddEdge(e);
   // add other edges