#include <constraint_solver.h>

Inheritance diagram for operations_research::DecisionBuilder:

Public Member Functions
	DecisionBuilder ()

	DecisionBuilder (const DecisionBuilder &)=delete
	This type is neither copyable nor movable.

DecisionBuilder &	operator= (const DecisionBuilder &)=delete

	~DecisionBuilder () override

virtual Decision *	Next (Solver *s)=0

std::string	DebugString () const override
	-------— Decision Builder -------—

virtual void	AppendMonitors (Solver solver, std::vector< SearchMonitor > *extras)

virtual void	Accept (ModelVisitor *visitor) const

void	set_name (absl::string_view name)

std::string	GetName () const

Public Member Functions inherited from operations_research::BaseObject
	BaseObject ()

	BaseObject (const BaseObject &)=delete
	This type is neither copyable nor movable.

BaseObject &	operator= (const BaseObject &)=delete

virtual	~BaseObject ()

Detailed Description

A DecisionBuilder is responsible for creating the search tree. The important method is Next(), which returns the next decision to execute.

Definition at line 3497 of file constraint_solver.h.

Constructor & Destructor Documentation

◆ DecisionBuilder() [1/2]

operations_research::DecisionBuilder::DecisionBuilder ( )

inline

Definition at line 3499 of file constraint_solver.h.

◆ DecisionBuilder() [2/2]

operations_research::DecisionBuilder::DecisionBuilder ( const DecisionBuilder & )

delete

This type is neither copyable nor movable.

◆ ~DecisionBuilder()

operations_research::DecisionBuilder::~DecisionBuilder ( )

inlineoverride

Definition at line 3506 of file constraint_solver.h.

Member Function Documentation

◆ Accept()

void operations_research::DecisionBuilder::Accept ( ModelVisitor * visitor ) const

virtual

Reimplemented in operations_research::LocalSearch, and operations_research::ProfiledDecisionBuilder.

Definition at line 2526 of file constraint_solver.cc.

◆ AppendMonitors()

void operations_research::DecisionBuilder::AppendMonitors	(	Solver *	solver,
		std::vector< SearchMonitor * > *	extras )

virtual

This method will be called at the start of the search. It asks the decision builder if it wants to append search monitors to the list of active monitors for this search. Please note there are no checks at this point for duplication.

Reimplemented in operations_research::ProfiledDecisionBuilder.

Definition at line 2523 of file constraint_solver.cc.

◆ DebugString()

std::string operations_research::DecisionBuilder::DebugString ( ) const

overridevirtual

-------— Decision Builder -------—

Reimplemented from operations_research::BaseObject.

Reimplemented in operations_research::FindOneNeighbor, operations_research::IntVarFilteredDecisionBuilder, operations_research::LocalSearch, and operations_research::ProfiledDecisionBuilder.

Definition at line 2517 of file constraint_solver.cc.

◆ GetName()

std::string operations_research::DecisionBuilder::GetName ( ) const

Definition at line 2519 of file constraint_solver.cc.

◆ Next()

virtual Decision * operations_research::DecisionBuilder::Next ( Solver * s )

pure virtual

This is the main method of the decision builder class. It must return a decision (an instance of the class Decision). If it returns nullptr, this means that the decision builder has finished its work.

Implemented in operations_research::FindOneNeighbor, operations_research::IntVarFilteredDecisionBuilder, operations_research::LocalSearch, operations_research::ProfiledDecisionBuilder, and operations_research::RuinAndRecreateDecisionBuilder.

◆ operator=()

DecisionBuilder & operations_research::DecisionBuilder::operator= ( const DecisionBuilder & )