Method Detail

• getOidClass

  Class<? extends OID_T> getOidClass()

• getVidClass

  Class<? extends VID_T> getVidClass()

• getVdataClass

  Class<? extends VDATA_T> getVdataClass()

• getEdataClass

  Class<? extends EDATA_T> getEdataClass()

• fragmentType

  FragmentType fragmentType()

  Return the underlying fragment type,i.e. ArrowProjected or Simple.

  Returns:

  underlying fragment type.

• getFFIPointer

  com.alibaba.fastffi.FFIPointer getFFIPointer()

  Get the actual fragment FFIPointer we are using.

  Returns:

  a ffipointer

• fid

  int fid()

  Returns:

  The id of current fragment.

• fnum

  int fnum()

  Number of fragments.

  Returns:

  number of fragments.

• getEdgeNum

  long getEdgeNum()

  Returns the number of edges in this fragment.

  Returns:

  the number of edges in this fragment.

• getInEdgeNum

  long getInEdgeNum()

• getOutEdgeNum

  long getOutEdgeNum()

• getVerticesNum

  VID_T getVerticesNum()

  Returns the number of vertices in this fragment.

  Returns:

  the number of vertices in this fragment.

• getTotalVerticesNum

  long getTotalVerticesNum()

  Returns the number of vertices in the entire graph.

  Returns:

  The number of vertices in the entire graph.

• vertices

  VertexRange<VID_T> vertices()

  Get all vertices referenced to this fragment.

  Returns:

  A vertex set can be iterate on.

• getVertex

  boolean getVertex​(OID_T oid,
                    Vertex<VID_T> vertex)

  Get the vertex handle from the original id.

  Parameters:

  oid - input original id.

  vertex - output vertex handle

  Returns:

  If find the vertex in this fragment, return true. Otherwise, return false.

• getId

  OID_T getId​(Vertex<VID_T> vertex)

  Get the original Id of a vertex.

  Parameters:

  vertex - querying vertex.

  Returns:

  original id.

• getFragId

  int getFragId​(Vertex<VID_T> vertex)

  To which fragment the vertex belongs.

  Parameters:

  vertex - querying vertex.

  Returns:

  frag id.

• getLocalInDegree

  int getLocalInDegree​(Vertex<VID_T> vertex)

• getLocalOutDegree

  int getLocalOutDegree​(Vertex<VID_T> vertex)

• gid2Vertex

  boolean gid2Vertex​(VID_T gid,
                     Vertex<VID_T> vertex)

• vertex2Gid

  VID_T vertex2Gid​(Vertex<VID_T> vertex)

• getInnerVerticesNum

  long getInnerVerticesNum()

  Get the number of inner vertices.

  Returns:

  number of inner vertices.

• getOuterVerticesNum

  long getOuterVerticesNum()

  Get the number of outer vertices.

  Returns:

  umber of outer vertices.

• innerVertices

  VertexRange<VID_T> innerVertices()

  Obtain vertex range contains all inner vertices.

  Returns:

  vertex range.

• outerVertices

  VertexRange<VID_T> outerVertices()

  Obtain vertex range contains all outer vertices.

  Returns:

  vertex range.

• isInnerVertex

  boolean isInnerVertex​(Vertex<VID_T> vertex)

  Check whether a vertex is a inner vertex for a fragment.

  Parameters:

  vertex - querying vertex.

  Returns:

  true if is inner vertex.

• isOuterVertex

  boolean isOuterVertex​(Vertex<VID_T> vertex)

  Check whether a vertex is a outer vertex for a fragment.

  Parameters:

  vertex - querying vertex.

  Returns:

  true if is outer vertex.

• getInnerVertex

  boolean getInnerVertex​(OID_T oid,
                         Vertex<VID_T> vertex)

  Check whether a vertex, represented in OID_T, is a inner vertex. If yes, if true and put inner representation id in the second param. Else return false.

  Parameters:

  oid - querying vertex in OID_T.

  vertex - placeholder for VID_T, if oid belongs to this fragment.

  Returns:

  inner vertex or not.

• getOuterVertex

  boolean getOuterVertex​(OID_T oid,
                         Vertex<VID_T> vertex)

  Check whether a vertex, represented in OID_T, is a outer vertex. If yes, if true and put outer representation id in the second param. Else return false.

  Parameters:

  oid - querying vertex in OID_T.

  vertex - placeholder for VID_T, if oid doesn't belong to this fragment.

  Returns:

  outer vertex or not.

• getInnerVertexId

  OID_T getInnerVertexId​(Vertex<VID_T> vertex)

  Obtain vertex id from original id, only for inner vertex.

  Parameters:

  vertex - querying vertex.

  Returns:

  original id.

• getOuterVertexId

  OID_T getOuterVertexId​(Vertex<VID_T> vertex)

  Obtain vertex id from original id, only for outer vertex.

  Parameters:

  vertex - querying vertex.

  Returns:

  original id.

• innerVertexGid2Vertex

  boolean innerVertexGid2Vertex​(VID_T gid,
                                Vertex<VID_T> vertex)

  Convert from global id to an inner vertex handle.

  Parameters:

  gid - Input global id.

  vertex - Output vertex handle.

  Returns:

  True if exists an inner vertex of this fragment with global id as gid, false otherwise.

• outerVertexGid2Vertex

  boolean outerVertexGid2Vertex​(VID_T gid,
                                Vertex<VID_T> vertex)

  Convert from global id to an outer vertex handle.

  Parameters:

  gid - Input global id.

  vertex - Output vertex handle.

  Returns:

  True if exists an outer vertex of this fragment with global id as gid, false otherwise.

• getOuterVertexGid

  VID_T getOuterVertexGid​(Vertex<VID_T> vertex)

  Convert from inner vertex handle to its global id.

  Parameters:

  vertex - Input vertex handle.

  Returns:

  Global id of the vertex.

• getInnerVertexGid

  VID_T getInnerVertexGid​(Vertex<VID_T> vertex)

  Convert from outer vertex handle to its global id.

  Parameters:

  vertex - Input vertex handle.

  Returns:

  Global id of the vertex.

• getIncomingAdjList

  AdjList<VID_T,​EDATA_T> getIncomingAdjList​(Vertex<VID_T> vertex)

• getOutgoingAdjList

  AdjList<VID_T,​EDATA_T> getOutgoingAdjList​(Vertex<VID_T> vertex)

• getData

  VDATA_T getData​(Vertex<VID_T> vertex)

  Get the data on vertex.

  Parameters:

  vertex - querying vertex.

  Returns:

  vertex data

• setData

  void setData​(Vertex<VID_T> vertex,
               VDATA_T vdata)

  Update vertex data with a new value.

  Parameters:

  vertex - querying vertex.

  vdata - new vertex data.