Clp  1.16.11
ClpEventHandler.hpp
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1 /* $Id: ClpEventHandler.hpp 2156 2015-08-07 14:51:42Z forrest $ */
2 // Copyright (C) 2004, International Business Machines
3 // Corporation and others. All Rights Reserved.
4 // This code is licensed under the terms of the Eclipse Public License (EPL).
5 
6 #ifndef ClpEventHandler_H
7 #define ClpEventHandler_H
8 
9 #include "ClpSimplex.hpp"
28 
29 public:
34  enum Event {
35  endOfIteration = 100, // used to set secondary status
36  endOfFactorization, // after gutsOfSolution etc
38  node, // for Cbc
39  treeStatus, // for Cbc
40  solution, // for Cbc
41  theta, // hit in parametrics
42  pivotRow, // used to choose pivot row
43  presolveStart, // ClpSolve presolve start
44  presolveSize, // sees if ClpSolve presolve too big or too small
45  presolveInfeasible, // ClpSolve presolve infeasible
46  presolveBeforeSolve, // ClpSolve presolve before solve
47  presolveAfterFirstSolve, // ClpSolve presolve after solve
48  presolveAfterSolve, // ClpSolve presolve after solve
49  presolveEnd, // ClpSolve presolve end
50  goodFactorization, // before gutsOfSolution
51  complicatedPivotIn, // in modifyCoefficients
52  noCandidateInPrimal, // tentative end
53  looksEndInPrimal, // About to declare victory (or defeat)
54  endInPrimal, // Victory (or defeat)
57  complicatedPivotOut, // in modifyCoefficients
58  noCandidateInDual, // tentative end
59  looksEndInDual, // About to declare victory (or defeat)
60  endInDual, // Victory (or defeat)
70  startOfCrossover, // in Idiot
71  noTheta // At end (because no pivot)
72  };
83  virtual int event(Event whichEvent);
87  virtual int eventWithInfo(Event whichEvent, void * info) ;
89 
90 
95  ClpEventHandler(ClpSimplex * model = NULL);
97  virtual ~ClpEventHandler();
98  // Copy
100  // Assignment
103  virtual ClpEventHandler * clone() const;
104 
106 
111  void setSimplex(ClpSimplex * model);
113  inline ClpSimplex * simplex() const {
114  return model_;
115  }
117 
118 
119 protected:
123  ClpSimplex * model_;
126 };
135 
136 public:
140  virtual void intoSimplex() = 0;
143  virtual bool check() const = 0;
145  virtual void saveInfo() = 0;
147  virtual int typeOfDisaster();
149 
150 
158  // Copy
160  // Assignment
163  virtual ClpDisasterHandler * clone() const = 0;
164 
166 
171  void setSimplex(ClpSimplex * model);
173  inline ClpSimplex * simplex() const {
174  return model_;
175  }
177 
178 
179 protected:
183  ClpSimplex * model_;
186 };
187 #endif
ClpSimplex
This solves LPs using the simplex method.
Definition: ClpSimplex.hpp:70
ClpEventHandler::startOfCrossover
@ startOfCrossover
Definition: ClpEventHandler.hpp:70
ClpEventHandler::startOfStatusOfProblemInDual
@ startOfStatusOfProblemInDual
Definition: ClpEventHandler.hpp:62
ClpEventHandler::presolveEnd
@ presolveEnd
Definition: ClpEventHandler.hpp:49
ClpEventHandler::startOfIterationInDual
@ startOfIterationInDual
Definition: ClpEventHandler.hpp:63
ClpEventHandler::endOfIteration
@ endOfIteration
Definition: ClpEventHandler.hpp:35
ClpEventHandler::clone
virtual ClpEventHandler * clone() const
Clone.
ClpEventHandler::endOfValuesPass
@ endOfValuesPass
Definition: ClpEventHandler.hpp:37
ClpEventHandler::complicatedPivotIn
@ complicatedPivotIn
Definition: ClpEventHandler.hpp:51
ClpDisasterHandler::ClpDisasterHandler
ClpDisasterHandler(ClpSimplex *model=NULL)
Default constructor.
ClpDisasterHandler::simplex
ClpSimplex * simplex() const
Get model.
Definition: ClpEventHandler.hpp:173
ClpEventHandler::slightlyInfeasible
@ slightlyInfeasible
Definition: ClpEventHandler.hpp:66
ClpDisasterHandler::operator=
ClpDisasterHandler & operator=(const ClpDisasterHandler &)
ClpEventHandler::presolveBeforeSolve
@ presolveBeforeSolve
Definition: ClpEventHandler.hpp:46
ClpEventHandler::goodFactorization
@ goodFactorization
Definition: ClpEventHandler.hpp:50
ClpEventHandler::endOfFactorization
@ endOfFactorization
Definition: ClpEventHandler.hpp:36
ClpEventHandler::presolveInfeasible
@ presolveInfeasible
Definition: ClpEventHandler.hpp:45
ClpEventHandler::presolveSize
@ presolveSize
Definition: ClpEventHandler.hpp:44
ClpEventHandler::solution
@ solution
Definition: ClpEventHandler.hpp:40
ClpDisasterHandler::check
virtual bool check() const =0
Checks if disaster.
ClpEventHandler::event
virtual int event(Event whichEvent)
This can do whatever it likes.
ClpDisasterHandler::setSimplex
void setSimplex(ClpSimplex *model)
set model.
ClpEventHandler::modifyMatrixInMiniPostsolve
@ modifyMatrixInMiniPostsolve
Definition: ClpEventHandler.hpp:69
ClpEventHandler::pivotRow
@ pivotRow
Definition: ClpEventHandler.hpp:42
ClpDisasterHandler
Base class for Clp disaster handling.
Definition: ClpEventHandler.hpp:134
ClpEventHandler::complicatedPivotOut
@ complicatedPivotOut
Definition: ClpEventHandler.hpp:57
ClpDisasterHandler::ClpDisasterHandler
ClpDisasterHandler(const ClpDisasterHandler &)
ClpEventHandler::presolveAfterSolve
@ presolveAfterSolve
Definition: ClpEventHandler.hpp:48
ClpEventHandler::modifyMatrixInMiniPresolve
@ modifyMatrixInMiniPresolve
Definition: ClpEventHandler.hpp:67
ClpEventHandler::theta
@ theta
Definition: ClpEventHandler.hpp:41
ClpEventHandler::ClpEventHandler
ClpEventHandler(const ClpEventHandler &)
ClpSimplex.hpp
ClpEventHandler::eventWithInfo
virtual int eventWithInfo(Event whichEvent, void *info)
This can do whatever it likes.
ClpDisasterHandler::clone
virtual ClpDisasterHandler * clone() const =0
Clone.
ClpEventHandler::looksEndInPrimal
@ looksEndInPrimal
Definition: ClpEventHandler.hpp:53
ClpEventHandler::beforeStatusOfProblemInDual
@ beforeStatusOfProblemInDual
Definition: ClpEventHandler.hpp:61
ClpEventHandler::Event
Event
enums for what sort of event.
Definition: ClpEventHandler.hpp:34
ClpDisasterHandler::model_
ClpSimplex * model_
Pointer to simplex.
Definition: ClpEventHandler.hpp:184
ClpEventHandler::simplex
ClpSimplex * simplex() const
Get model.
Definition: ClpEventHandler.hpp:113
ClpEventHandler::noTheta
@ noTheta
Definition: ClpEventHandler.hpp:71
ClpEventHandler::moreMiniPresolve
@ moreMiniPresolve
Definition: ClpEventHandler.hpp:68
ClpEventHandler::looksEndInDual
@ looksEndInDual
Definition: ClpEventHandler.hpp:59
ClpEventHandler::treeStatus
@ treeStatus
Definition: ClpEventHandler.hpp:39
ClpEventHandler::noCandidateInPrimal
@ noCandidateInPrimal
Definition: ClpEventHandler.hpp:52
ClpDisasterHandler::typeOfDisaster
virtual int typeOfDisaster()
Type of disaster 0 can fix, 1 abort.
ClpDisasterHandler::intoSimplex
virtual void intoSimplex()=0
Into simplex.
ClpEventHandler::endInPrimal
@ endInPrimal
Definition: ClpEventHandler.hpp:54
ClpEventHandler
Base class for Clp event handling.
Definition: ClpEventHandler.hpp:27
ClpDisasterHandler::saveInfo
virtual void saveInfo()=0
saves information for next attempt
ClpEventHandler::presolveStart
@ presolveStart
Definition: ClpEventHandler.hpp:43
ClpEventHandler::endOfCreateRim
@ endOfCreateRim
Definition: ClpEventHandler.hpp:65
ClpEventHandler::~ClpEventHandler
virtual ~ClpEventHandler()
Destructor.
ClpEventHandler::noCandidateInDual
@ noCandidateInDual
Definition: ClpEventHandler.hpp:58
ClpEventHandler::setSimplex
void setSimplex(ClpSimplex *model)
set model.
ClpEventHandler::model_
ClpSimplex * model_
Pointer to simplex.
Definition: ClpEventHandler.hpp:124
ClpEventHandler::ClpEventHandler
ClpEventHandler(ClpSimplex *model=NULL)
Default constructor.
ClpEventHandler::startOfStatusOfProblemInPrimal
@ startOfStatusOfProblemInPrimal
Definition: ClpEventHandler.hpp:56
ClpEventHandler::updateDualsInDual
@ updateDualsInDual
Definition: ClpEventHandler.hpp:64
ClpEventHandler::node
@ node
Definition: ClpEventHandler.hpp:38
ClpDisasterHandler::~ClpDisasterHandler
virtual ~ClpDisasterHandler()
Destructor.
ClpEventHandler::presolveAfterFirstSolve
@ presolveAfterFirstSolve
Definition: ClpEventHandler.hpp:47
ClpEventHandler::operator=
ClpEventHandler & operator=(const ClpEventHandler &)
ClpEventHandler::endInDual
@ endInDual
Definition: ClpEventHandler.hpp:60
ClpEventHandler::beforeStatusOfProblemInPrimal
@ beforeStatusOfProblemInPrimal
Definition: ClpEventHandler.hpp:55