ModelListener (Constraint Solver API Documentation -- CPSolver v1.4 build 81)

Type Parameters:

V - Variable

T - Value

All Known Subinterfaces:

Criterion<V,T>

All Known Implementing Classes:

AbstractCriterion, AssignedValue, AssignmentCount, AttributePreferences, BackToBack, BackToBackInstructorPreferences, BrokenTimePatterns, ConflictStatistics, CoursePreferences, DbtPropagation, DeltaTimePreference, DepartmentBalancingPenalty, DifferentLecture, DistanceConflict, DistanceToStronglyPreferredRoom, DistributionPenalty, DistributionPreferences, Distributions, DistributionViolation, ExamCriterion, ExamRotationPenalty, ExamSplitter, ExtendedStudentConflicts, Extension, ExtensionWithContext, FlexibleConstraintCriterion, HardConflicts, IgnoredCommittedStudentConflict, IgnoredStudentConflict, ImportantStudentConflict, ImportantStudentHardConflict, InstructorBackToBackConflicts, InstructorConflict, InstructorDirectConflicts, InstructorDistanceBackToBackConflicts, InstructorFairness, InstructorLunchBreak, InstructorMoreThan2ADayConflicts, InstructorNotAvailableConflicts, InstructorPreferences, InstructorSchedulingCriterion, InstructorStudentConflict, InstructorStudentHardConflict, LargeExamsPenalty, MacPropagation, MacRevised, OnFlySectioning, OriginalInstructor, PeriodIndexPenalty, PeriodPenalty, PeriodSizePenalty, PeriodViolation, PerturbationPenalty, Perturbations, PlacementSelectionCriterion, PotentialHardConflicts, QuadraticStudentConflict, QuadraticStudentHardConflict, RoomPenalty, RoomPerturbationPenalty, RoomPreferences, RoomSizePenalty, RoomSizePenalty, RoomSplitDistancePenalty, RoomSplitPenalty, RoomViolation, RoomViolations, SameCommon, SameCourse, SameDays, SameInstructor, SameLink, SameRoom, SameSubpartBalancingPenalty, SearchIntensification, StudentBackToBackConflicts, StudentCommittedConflict, StudentConflict, StudentConflictStatistics, StudentDirectConflicts, StudentDistanceBackToBackConflicts, StudentDistanceConflict, StudentHardConflict, StudentLuchBreak, StudentMinimizeDaysOfWeek, StudentMinimizeScheduleHoles, StudentMoreThan1ADayConflicts, StudentMoreThan2ADayConflicts, StudentNotAvailableConflicts, StudentOnlineConflict, StudentOverlapConflict, StudentOverLunchConflict, StudentQuality, StudentWorkdayConflict, TeachingPreferences, TimeOverlaps, TimeOverlapsCounter, TimePreferences, TimePreferences, TimetablingCriterion, TimeViolations, TooBigRooms, UnusedInstructorLoad, UselessHalfHours, ViolatedInitials, WeightedHardConflicts
```
public interface ModelListener<V extends Variable<V,T>,T extends Value<V,T>>
```
IFS model listener.

Version:

IFS 1.3 (Iterative Forward Search)
Copyright (C) 2006 - 2014 Tomáš Müller
muller@unitime.org
http://muller.unitime.org

This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 3 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with this library; if not see http://www.gnu.org/licenses/.

Author:

Tomáš Müller

See Also:

Model

Method Summary

All Methods Instance Methods Abstract Methods
Modifier and Type	Method and Description
`void`	`afterAssigned(Assignment<V,T> assignment, long iteration, T value)` Called after a value is assigned to its variable ( `Value.variable()`).
`void`	`afterUnassigned(Assignment<V,T> assignment, long iteration, T value)` Called after a value is unassigned from its variable ( `Value.variable()`).
`void`	`beforeAssigned(Assignment<V,T> assignment, long iteration, T value)` Called before a value is assigned to its variable ( `Value.variable()`).
`void`	`beforeUnassigned(Assignment<V,T> assignment, long iteration, T value)` Called before a value is unassigned from its variable ( `Value.variable()`).
`void`	`constraintAdded(Constraint<V,T> constraint)` Constraint is added to the model
`void`	`constraintRemoved(Constraint<V,T> constraint)` Constraint is removed from the model
`boolean`	`init(Solver<V,T> solver)` Notification that the model was initialized by the solver.
`void`	`variableAdded(V variable)` Variable is added to the model
`void`	`variableRemoved(V variable)` Variable is removed from the model

- Method Detail
  - variableAdded
```
void variableAdded(V variable)
```
    Variable is added to the model
    
    Parameters:
    
    variable - added variable
  - variableRemoved
```
void variableRemoved(V variable)
```
    Variable is removed from the model
    
    Parameters:
    
    variable - removed variable
  - constraintAdded
```
void constraintAdded(Constraint<V,T> constraint)
```
    Constraint is added to the model
    
    Parameters:
    
    constraint - added constraint
  - constraintRemoved
```
void constraintRemoved(Constraint<V,T> constraint)
```
    Constraint is removed from the model
    
    Parameters:
    
    constraint - removed constraint
  - beforeAssigned
```
void beforeAssigned(Assignment<V,T> assignment,
                    long iteration,
                    T value)
```
    Called before a value is assigned to its variable ( Value.variable()).
    
    Parameters:
    
    assignment - current assignment
    
    iteration - current iteration
    
    value - value to be assigned
  - beforeUnassigned
```
void beforeUnassigned(Assignment<V,T> assignment,
                      long iteration,
                      T value)
```
    Called before a value is unassigned from its variable ( Value.variable()).
    
    Parameters:
    
    assignment - current assignment
    
    iteration - current iteration
    
    value - value to be unassigned
  - afterAssigned
```
void afterAssigned(Assignment<V,T> assignment,
                   long iteration,
                   T value)
```
    Called after a value is assigned to its variable ( Value.variable()).
    
    Parameters:
    
    assignment - current assignment
    
    iteration - current iteration
    
    value - value to be assigned
  - afterUnassigned
```
void afterUnassigned(Assignment<V,T> assignment,
                     long iteration,
                     T value)
```
    Called after a value is unassigned from its variable ( Value.variable()).
    
    Parameters:
    
    assignment - current assignment
    
    iteration - current iteration
    
    value - value to be unassigned
  - init
```
boolean init(Solver<V,T> solver)
```
    Notification that the model was initialized by the solver.
    
    Parameters:
    
    solver - IFS solver
    
    Returns:
    
    true if successfully initialized

Interface ModelListener<V extends Variable<V,T>,T extends Value<V,T>>

Method Summary

Method Detail

variableAdded

variableRemoved

constraintAdded

constraintRemoved

beforeAssigned

beforeUnassigned

afterAssigned

afterUnassigned

init