idol::UserCutCallback::Strategy Class Reference

Description

Definition at line 29 of file UserCutCallback.h.

Public Methods
	Strategy (Model *t_separation_problem, GenerationPattern< Ctr > t_cut, CtrType t_type)

Protected Methods
void	hook_add_cut (const TempCtr &t_cut) override
std::string	name () const override
virtual const Model &	original_model () const
virtual void	submit_heuristic_solution (const PrimalPoint &t_solution)
virtual void	add_user_cut (const TempCtr &t_cut)
virtual void	add_lazy_cut (const TempCtr &t_cut)
virtual PrimalPoint	primal_solution () const
const Timer &	time () const
double	best_obj () const
double	best_bound () const
void	terminate ()
virtual void	operator() (CallbackEvent t_event)=0

Constructor & Destructor Documentation

Strategy()

idol::UserCutCallback::Strategy::Strategy ( Model * t_separation_problem, GenerationPattern< Ctr > t_cut, CtrType t_type )

inlineexplicit

Definition at line 40 of file UserCutCallback.h.

Methods Documentation

add_lazy_cut()

virtual void idol::Callback::add_lazy_cut ( const TempCtr & t_cut )

protectedvirtualinherited

Adds a lazy cut to the relaxation

Parameters

t_cut

the cut to be added

add_user_cut()

virtual void idol::Callback::add_user_cut ( const TempCtr & t_cut )

protectedvirtualinherited

Adds a user cut to the relaxation

Parameters

t_cut

the cut to be added

best_bound()

double idol::Callback::best_bound ( ) const

nodiscardprotectedinherited

Returns the best bound found so far

Returns

the best bound

best_obj()

double idol::Callback::best_obj ( ) const

nodiscardprotectedinherited

Returns the best objective value found so far

Returns

the best objective value

hook_add_cut()

void idol::UserCutCallback::Strategy::hook_add_cut ( const TempCtr & t_cut )

inlineoverrideprotected

Definition at line 31 of file UserCutCallback.h.

name()

std::string idol::UserCutCallback::Strategy::name ( ) const

inlinenodiscardoverrideprotected

Definition at line 35 of file UserCutCallback.h.

operator()()

virtual void idol::Callback::operator() ( CallbackEvent t_event )

protectedpure virtualinherited

This method is left for the user to write and consists in the main execution block of the callback.

Parameters

t_event

the event which triggered the call

Implemented in idol::Heuristics::LocalBranching::Strategy, idol::Heuristics::RENS::Strategy, idol::Heuristics::SimpleRounding::Strategy, and idol::Plots::OptimalityGap::Strategy.

original_model()

virtual const Model & idol::Callback::original_model ( ) const

nodiscardprotectedvirtualinherited

Accesses the original model given to the solver

primal_solution()

virtual PrimalPoint idol::Callback::primal_solution ( ) const

nodiscardprotectedvirtualinherited

Returns the solution of the node which is currently being explored (when available)

Returns

the solution of the current node

submit_heuristic_solution()

virtual void idol::Callback::submit_heuristic_solution ( const PrimalPoint & t_solution )

protectedvirtualinherited

Submits a new heuristic solution

terminate()

void idol::Callback::terminate ( )

protectedinherited

Asks the optimizer to terminate the optimization process as soon as possible

time()

const Timer & idol::Callback::time ( ) const

nodiscardprotectedinherited

Returns the current time

Returns

the optimizer's time