Gecode::StdSearchTracer Class Reference

#include <gecode/search.hh>

Public Member Functions
	StdSearchTracer (std::ostream &os=std::cerr)
	Initialize with output stream os.
virtual void	init (void)
	The search engine initializes.
virtual void	round (unsigned int eid)
	The engine with id eid goes to a next round (restart or next iteration in LDS).
virtual void	skip (const EdgeInfo &ei)
	The engine skips an edge.
virtual void	node (const EdgeInfo &ei, const NodeInfo &ni)
	The engine creates a new node with information ei and ni.
virtual void	done (void)
	All workers are done.
virtual	~StdSearchTracer (void)
	Delete.
	SearchTracer (void)
	Initialize.
unsigned int	workers (void) const
	Return number of workers.
unsigned int	engines (void) const
	Return number of engines.
const EngineInfo &	engine (unsigned int eid) const
	Provide access to engine with id eid.
unsigned int	eid (unsigned int wid) const
	Return the engine id of a worker with id wid.
virtual	~SearchTracer (void)
	Delete.

Static Public Attributes
static StdSearchTracer	def
	Default tracer (printing to std::cerr).

Protected Attributes
std::ostream &	os
	Output stream to use.

Static Protected Attributes
static const char *	t2s [EngineType::AOE+1]
	Map engine type to string.

Additional Inherited Members
Public Types inherited from Gecode::SearchTracer
enum	EngineType {   DFS = 0 , BAB = 1 , LDS = 2 , RBS = 3 ,   PBS = 4 , AOE = 5 }
	Which type of engine. More...
enum	NodeType { SOLVED = 0 , FAILED = 1 , BRANCH = 2 }
	Node type. More...

Detailed Description

Definition at line 375 of file search.hh.

Constructor & Destructor Documentation

StdSearchTracer()

Gecode::StdSearchTracer::StdSearchTracer

(

std::ostream &

os = std::cerr

)

Initialize with output stream os.

Definition at line 45 of file tracer.cpp.

~StdSearchTracer()

Gecode::StdSearchTracer::~StdSearchTracer ( void )

virtual

Delete.

Definition at line 117 of file tracer.cpp.

Member Function Documentation

init()

void Gecode::StdSearchTracer::init ( void )

virtual

The search engine initializes.

Implements Gecode::SearchTracer.

Definition at line 49 of file tracer.cpp.

round()

void Gecode::StdSearchTracer::round ( unsigned int eid )

virtual

The engine with id eid goes to a next round (restart or next iteration in LDS).

Implements Gecode::SearchTracer.

Definition at line 70 of file tracer.cpp.

skip()

void Gecode::StdSearchTracer::skip ( const EdgeInfo & ei )

virtual

The engine skips an edge.

Implements Gecode::SearchTracer.

Definition at line 75 of file tracer.cpp.

node()

void Gecode::StdSearchTracer::node ( const EdgeInfo & ei, const NodeInfo & ni )

virtual

The engine creates a new node with information ei and ni.

Implements Gecode::SearchTracer.

Definition at line 82 of file tracer.cpp.

done()

void Gecode::StdSearchTracer::done ( void )

virtual

All workers are done.

Implements Gecode::SearchTracer.

Definition at line 113 of file tracer.cpp.

Member Data Documentation

os

std::ostream& Gecode::StdSearchTracer::os

protected

Output stream to use.

Definition at line 378 of file search.hh.

t2s

const char * Gecode::StdSearchTracer::t2s

staticprotected

Initial value:

= {
    "DFS", "BAB", "LDS",
    "RBS", "PBS",
    "AOE"
  }

Map engine type to string.

Definition at line 380 of file search.hh.

def

StdSearchTracer Gecode::StdSearchTracer::def

static

Default tracer (printing to std::cerr).

Definition at line 397 of file search.hh.

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

• gecode/search.hh
• gecode/search/tracer.cpp