SNAP Library 6.0, Developer Reference  2020-12-09 16:24:20
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TBPGraph::TEdgeI Class Reference

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

#include <graph.h>

Collaboration diagram for TBPGraph::TEdgeI:

Public Member Functions

 TEdgeI ()
 
 TEdgeI (const TNodeI &NodeI, const TNodeI &EndNodeI, const int &EdgeN=0)
 
 TEdgeI (const TEdgeI &EdgeI)
 
TEdgeIoperator= (const TEdgeI &EdgeI)
 
TEdgeIoperator++ (int)
 Increment iterator. More...
 
bool operator< (const TEdgeI &EdgeI) const
 
bool operator== (const TEdgeI &EdgeI) const
 
int GetId () const
 Gets edge ID. Always returns -1 since only edges in multigraphs have explicit IDs. More...
 
int GetSrcNId () const
 Gets the source ('left' side) of an edge. Since the graph is undirected this is the node with smaller ID of the edge endpoints. More...
 
int GetDstNId () const
 Gets destination ('right' side) of an edge. Since the graph is undirected this is the node with greater ID of the edge endpoints. More...
 
int GetLNId () const
 Gets the ID of the node on the 'left' side of the edge. More...
 
int GetRNId () const
 Gets the ID of the node on the 'right' side of the edge. More...
 

Private Attributes

TNodeI CurNode
 
TNodeI EndNode
 
int CurEdge
 

Friends

class TBPGraph
 

Detailed Description

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

Definition at line 1018 of file graph.h.

Constructor & Destructor Documentation

TBPGraph::TEdgeI::TEdgeI ( )
inline

Definition at line 1023 of file graph.h.

1023 : CurNode(), EndNode(), CurEdge(0) { }
TNodeI CurNode
Definition: graph.h:1020
TNodeI EndNode
Definition: graph.h:1020
TBPGraph::TEdgeI::TEdgeI ( const TNodeI NodeI,
const TNodeI EndNodeI,
const int &  EdgeN = 0 
)
inline

Definition at line 1024 of file graph.h.

1024 : CurNode(NodeI), EndNode(EndNodeI), CurEdge(EdgeN) { }
TNodeI CurNode
Definition: graph.h:1020
TNodeI EndNode
Definition: graph.h:1020
TBPGraph::TEdgeI::TEdgeI ( const TEdgeI EdgeI)
inline

Definition at line 1025 of file graph.h.

1025 : CurNode(EdgeI.CurNode), EndNode(EdgeI.EndNode), CurEdge(EdgeI.CurEdge) { }
TNodeI CurNode
Definition: graph.h:1020
TNodeI EndNode
Definition: graph.h:1020

Member Function Documentation

int TBPGraph::TEdgeI::GetDstNId ( ) const
inline

Gets destination ('right' side) of an edge. Since the graph is undirected this is the node with greater ID of the edge endpoints.

Definition at line 1037 of file graph.h.

References TBPGraph::TNodeI::GetOutNId().

Referenced by TBPGraph::AddEdge(), and GetRNId().

1037 { return CurNode.GetOutNId(CurEdge); }
int GetOutNId(const int &NodeN) const
Returns ID of NodeN-th out-node (the node the current node points to).
Definition: graph.h:1005
TNodeI CurNode
Definition: graph.h:1020

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int TBPGraph::TEdgeI::GetId ( ) const
inline

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

Definition at line 1033 of file graph.h.

1033 { return -1; }
int TBPGraph::TEdgeI::GetLNId ( ) const
inline

Gets the ID of the node on the 'left' side of the edge.

Definition at line 1039 of file graph.h.

References GetSrcNId().

1039 { return GetSrcNId(); }
int GetSrcNId() const
Gets the source ('left' side) of an edge. Since the graph is undirected this is the node with smaller...
Definition: graph.h:1035

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int TBPGraph::TEdgeI::GetRNId ( ) const
inline

Gets the ID of the node on the 'right' side of the edge.

Definition at line 1041 of file graph.h.

References GetDstNId().

1041 { return GetDstNId(); }
int GetDstNId() const
Gets destination ('right' side) of an edge. Since the graph is undirected this is the node with great...
Definition: graph.h:1037

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int TBPGraph::TEdgeI::GetSrcNId ( ) const
inline

Gets the source ('left' side) of an edge. Since the graph is undirected this is the node with smaller ID of the edge endpoints.

Definition at line 1035 of file graph.h.

References TBPGraph::TNodeI::GetId().

Referenced by TBPGraph::AddEdge(), and GetLNId().

1035 { return CurNode.GetId(); }
int GetId() const
Returns ID of the current node.
Definition: graph.h:989
TNodeI CurNode
Definition: graph.h:1020

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TEdgeI& TBPGraph::TEdgeI::operator++ ( int  )
inline

Increment iterator.

Definition at line 1028 of file graph.h.

References TBPGraph::TNodeI::GetOutDeg().

1028  { CurEdge++; if (CurEdge >= CurNode.GetOutDeg()) { CurEdge=0; CurNode++;
1029  while (CurNode < EndNode && CurNode.GetOutDeg()==0) { CurNode++; } } return *this; }
int GetOutDeg() const
Returns out-degree of the current node (returns same as value GetDeg() since the graph is undirected)...
Definition: graph.h:999
TNodeI CurNode
Definition: graph.h:1020
TNodeI EndNode
Definition: graph.h:1020

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bool TBPGraph::TEdgeI::operator< ( const TEdgeI EdgeI) const
inline

Definition at line 1030 of file graph.h.

References CurEdge, and CurNode.

1030 { return CurNode<EdgeI.CurNode || (CurNode==EdgeI.CurNode && CurEdge<EdgeI.CurEdge); }
TNodeI CurNode
Definition: graph.h:1020
TEdgeI& TBPGraph::TEdgeI::operator= ( const TEdgeI EdgeI)
inline

Definition at line 1026 of file graph.h.

References CurEdge, CurNode, and EndNode.

1026 { if (this!=&EdgeI) { CurNode=EdgeI.CurNode; EndNode=EdgeI.EndNode; CurEdge=EdgeI.CurEdge; } return *this; }
TNodeI CurNode
Definition: graph.h:1020
TNodeI EndNode
Definition: graph.h:1020
bool TBPGraph::TEdgeI::operator== ( const TEdgeI EdgeI) const
inline

Definition at line 1031 of file graph.h.

References CurEdge, and CurNode.

1031 { return CurNode == EdgeI.CurNode && CurEdge == EdgeI.CurEdge; }
TNodeI CurNode
Definition: graph.h:1020

Friends And Related Function Documentation

friend class TBPGraph
friend

Definition at line 1042 of file graph.h.

Member Data Documentation

int TBPGraph::TEdgeI::CurEdge
private

Definition at line 1021 of file graph.h.

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

TNodeI TBPGraph::TEdgeI::CurNode
private

Definition at line 1020 of file graph.h.

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

TNodeI TBPGraph::TEdgeI::EndNode
private

Definition at line 1020 of file graph.h.

Referenced by operator=().


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