code: public static int nvgraphAllocateEdgeData(
          nvgraphHandle handle, 
          nvgraphGraphDescr descrG, 
          long numsets, 
          Pointer settypes)
      {
          return checkResult(nvgraphAllocateEdgeDataNative(handle, descrG, numsets, settypes));
      }
docs: Allocate numsets vectors of size E reprensenting Edge Data and attached them the graph.
  settypes[i] is the type of vector #i, currently all Vertex and Edge data should have the same type