DijkstraWizard< TR > Class Template Reference

Detailed Description

template<class TR>
class lemon::DijkstraWizard< TR >

This auxiliary class is created to implement the function-type interface of Dijkstra algorithm. It does not have own run() method, it uses the functions and features of the plain Dijkstra.

This class should only be used through the dijkstra() function, which makes it easier to use the algorithm.

#include <lemon/dijkstra.h>

Inherits TR.

Public Member Functions
	DijkstraWizard ()
	Constructor.
	DijkstraWizard (const Digraph &g, const LengthMap &l)
	Constructor that requires parameters.
	DijkstraWizard (const TR &b)
	Copy constructor.
void	run (Node s)
	Runs Dijkstra algorithm from the given source node.
bool	run (Node s, Node t)
	Finds the shortest path between s and t.
template<class T >
DijkstraWizard< SetPredMapBase < T > >	predMap (const T &t)
template<class T >
DijkstraWizard< SetDistMapBase < T > >	distMap (const T &t)
template<class T >
DijkstraWizard < SetProcessedMapBase< T > >	processedMap (const T &t)
template<class T >
DijkstraWizard< SetPathBase< T > >	path (const T &t)
DijkstraWizard	dist (const Value &d)

Private Types
typedef TR::Digraph	Digraph
	The type of the digraph the algorithm runs on.
typedef TR::LengthMap	LengthMap
	The type of the map that stores the arc lengths.
typedef LengthMap::Value	Value
	The type of the length of the arcs.
typedef TR::PredMap	PredMap
	The type of the map that stores the predecessor arcs of the shortest paths.
typedef TR::DistMap	DistMap
	The type of the map that stores the distances of the nodes.
typedef TR::ProcessedMap	ProcessedMap
	The type of the map that indicates which nodes are processed.
typedef TR::Path	Path
	The type of the shortest paths.
typedef TR::Heap	Heap
	The heap type used by the dijkstra algorithm.

Constructor & Destructor Documentation

DijkstraWizard ( const Digraph &  g, const LengthMap &  l  )

inline

Constructor that requires parameters. These parameters will be the default values for the traits class.

Parameters

g	The digraph the algorithm runs on.
l	The length map.

Member Function Documentation

void run ( Node  s )

inline

This method runs Dijkstra algorithm from the given source node in order to compute the shortest path to each node.

bool run ( Node  s, Node  t  )

inline

This method runs the Dijkstra algorithm from node s in order to compute the shortest path to node t (it stops searching when t is processed).

Returns

true if t is reachable form s.

DijkstraWizard<SetPredMapBase<T> > predMap ( const T &  t )

inline

Named parameter for setting PredMap object.

DijkstraWizard<SetDistMapBase<T> > distMap ( const T &  t )

inline

Named parameter for setting DistMap object.

DijkstraWizard<SetProcessedMapBase<T> > processedMap ( const T &  t )

inline

Named parameter for setting ProcessedMap object.

DijkstraWizard<SetPathBase<T> > path ( const T &  t )

inline

Named parameter for getting the shortest path to the target node.

DijkstraWizard dist ( const Value &  d )

inline

Named parameter for getting the distance of the target node.