TNGraph::TEdgeI Class Reference

Edge iterator. Only forward iteration (operator++) is supported. More...

#include <graph.h>

Collaboration diagram for TNGraph::TEdgeI:

Public Member Functions
	TEdgeI ()
	TEdgeI (const TNodeI &NodeI, const TNodeI &EndNodeI, const int &EdgeN=0)
	TEdgeI (const TEdgeI &EdgeI)
TEdgeI &	operator= (const TEdgeI &EdgeI)
TEdgeI &	operator++ (int)
	Increment iterator. More...
bool	operator< (const TEdgeI &EdgeI) const
bool	operator== (const TEdgeI &EdgeI) const
int	GetId () const
	Returns edge ID. Always returns -1 since only edges in multigraphs have explicit IDs. More...
int	GetSrcNId () const
	Returns the source node of the edge. More...
int	GetDstNId () const
	Returns the destination node of the edge. More...

Private Attributes
TNodeI	CurNode
TNodeI	EndNode
int	CurEdge

Friends
class	TNGraph

Detailed Description

Edge iterator. Only forward iteration (operator++) is supported.

Definition at line 426 of file graph.h.

Constructor & Destructor Documentation

TNGraph::TEdgeI::TEdgeI ( )

inline

Definition at line 431 of file graph.h.

: CurNode(), EndNode(), CurEdge(0) { }

TNGraph::TEdgeI::TEdgeI ( const TNodeI &  NodeI, const TNodeI &  EndNodeI, const int &  EdgeN = 0  )

inline

Definition at line 432 of file graph.h.

: CurNode(NodeI), EndNode(EndNodeI), CurEdge(EdgeN) { }

TNGraph::TEdgeI::TEdgeI ( const TEdgeI &  EdgeI )

inline

Definition at line 433 of file graph.h.

: CurNode(EdgeI.CurNode), EndNode(EdgeI.EndNode), CurEdge(EdgeI.CurEdge) { }

Member Function Documentation

int TNGraph::TEdgeI::GetDstNId ( ) const

inline

Returns the destination node of the edge.

Definition at line 445 of file graph.h.

References CurEdge, CurNode, and TNGraph::TNodeI::GetOutNId().

Referenced by TNGraph::AddEdge().

{ return CurNode.GetOutNId(CurEdge); }

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int TNGraph::TEdgeI::GetId ( ) const

inline

Returns edge ID. Always returns -1 since only edges in multigraphs have explicit IDs.

Definition at line 441 of file graph.h.

{ return -1; }

int TNGraph::TEdgeI::GetSrcNId ( ) const

inline

Returns the source node of the edge.

Definition at line 443 of file graph.h.

References CurNode, and TNGraph::TNodeI::GetId().

Referenced by TNGraph::AddEdge().

{ return CurNode.GetId(); }

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TEdgeI& TNGraph::TEdgeI::operator++ ( int  )

inline

Increment iterator.

Definition at line 436 of file graph.h.

References CurEdge, CurNode, EndNode, and TNGraph::TNodeI::GetOutDeg().

                             { CurEdge++; if (CurEdge >= CurNode.GetOutDeg()) { CurEdge=0; CurNode++;
      while (CurNode < EndNode && CurNode.GetOutDeg()==0) { CurNode++; } }  return *this; }

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bool TNGraph::TEdgeI::operator< ( const TEdgeI &  EdgeI ) const

inline

Definition at line 438 of file graph.h.

References CurEdge, and CurNode.

{ return CurNode<EdgeI.CurNode || (CurNode==EdgeI.CurNode && CurEdge<EdgeI.CurEdge); }

TEdgeI& TNGraph::TEdgeI::operator= ( const TEdgeI &  EdgeI )

inline

Definition at line 434 of file graph.h.

References CurEdge, CurNode, and EndNode.

{ if (this!=&EdgeI) { CurNode=EdgeI.CurNode; EndNode=EdgeI.EndNode; CurEdge=EdgeI.CurEdge; }  return *this; }

bool TNGraph::TEdgeI::operator== ( const TEdgeI &  EdgeI ) const

inline

Definition at line 439 of file graph.h.

References CurEdge, and CurNode.

{ return CurNode == EdgeI.CurNode && CurEdge == EdgeI.CurEdge; }

Friends And Related Function Documentation

friend class TNGraph

friend

Definition at line 446 of file graph.h.

Member Data Documentation

int TNGraph::TEdgeI::CurEdge

private

Definition at line 429 of file graph.h.

Referenced by GetDstNId(), operator++(), operator<(), operator=(), and operator==().

TNodeI TNGraph::TEdgeI::CurNode

private

Definition at line 428 of file graph.h.

Referenced by GetDstNId(), GetSrcNId(), operator++(), operator<(), operator=(), and operator==().

TNodeI TNGraph::TEdgeI::EndNode

private

Definition at line 428 of file graph.h.

Referenced by operator++(), and operator=().

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The documentation for this class was generated from the following file:

• snap-core/graph.h