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64 public:

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126 const absl::flat_hash_map<const MPVariable*, double>& solution) = 0;

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133};

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159 bool might_add_cuts_;

160 bool might_add_lazy_constraints_;

161};

166 public:

167 explicit MPCallbackList(const std::vector<MPCallback*>& callbacks);

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172 private:

173 const std::vector<MPCallback*> callbacks_;

174};

Definition linear_solver_callback.h:63

virtual void AddLazyConstraint(const LinearRange &lazy_constraint)=0

virtual int64_t NumExploredNodes()=0

virtual double SuggestSolution(const absl::flat_hash_map< const MPVariable *, double > &solution)=0

virtual bool CanQueryVariableValues()=0

virtual MPCallbackEvent Event()=0

virtual ~MPCallbackContext()

Definition linear_solver_callback.h:65

virtual double VariableValue(const MPVariable *variable)=0

virtual void AddCut(const LinearRange &cutting_plane)=0

void RunCallback(MPCallbackContext *context) override

MPCallbackList(const std::vector< MPCallback * > &callbacks)

bool might_add_lazy_constraints() const

Definition linear_solver_callback.h:154

virtual ~MPCallback()

Definition linear_solver_callback.h:146

MPCallback(bool might_add_cuts, bool might_add_lazy_constraints)

Definition linear_solver_callback.h:143

bool might_add_cuts() const

Definition linear_solver_callback.h:153

virtual void RunCallback(MPCallbackContext *callback_context)=0

The class for variables of a Mathematical Programming (MP) model.

Select next search node to expand Select next item_i to add this new search node to the search Generate a new search node where item_i is not in the knapsack Check validity of this new partial solution(using propagators) - If valid

MPCallbackEvent

Definition linear_solver_callback.h:34

@ kMultiObj

Definition linear_solver_callback.h:55

@ kUnknown

Definition linear_solver_callback.h:35

@ kMip

Definition linear_solver_callback.h:45

@ kPolling

Definition linear_solver_callback.h:38

@ kMipSolution

Definition linear_solver_callback.h:47

@ kMessage

Definition linear_solver_callback.h:53

@ kPresolve

Definition linear_solver_callback.h:40

@ kSimplex

Definition linear_solver_callback.h:42

@ kMipNode

Definition linear_solver_callback.h:49

@ kBarrier

Definition linear_solver_callback.h:51

absl::string_view ToString(MPSolver::OptimizationProblemType optimization_problem_type)