ttsolver
Class TimetableModel

java.lang.Object
  ifs.model.Model
      ttsolver.TimetableModel

public class TimetableModel
extends Model

Timetable model.

Version:

1.0

Author:

Tomáš Müller

Constructor Summary

TimetableModel(DataProperties properties)

Method Summary

void	addConstraint(Constraint constraint) Adds a constraint to the model
void	afterAssigned(long iteration, Value value) When a value is assigned to a variable -- update gloval preferences
void	afterUnassigned(long iteration, Value value) When a value is unassigned from a variable -- update gloval preferences
int	bestDepartmentSpreadPenalty() Overall departmental spread penalty of the best solution ever found
long	bestGlobalGroupConstraintPreference() Overall group constraint preference of the best solution ever found
long	bestGlobalRoomPreference() Overall room preference of the best solution ever found
double	bestGlobalTimePreference() Overall time preference of the best solution ever found
long	bestHardStudentConflicts() Overall number of student conflicts between single section classes of the best solution ever found
long	bestInstructorDistancePreference() Overall instructor distance preference of the best solution ever found
int	bestTooBigRooms() Overall number of too big rooms of the best solution ever found
long	bestUselessSlots() Overall number of useless slots of the best solution ever found
long	bestViolatedStudentConflicts() Overall number of student conflicts of the best solution ever found
void	checkJenrl() Check validity of JENRL constraints from student enrollments
int	countTooBigRooms() Overall number of too big rooms (rooms with more than 3/2 seats than needed)
long	countViolatedStudentConflicts() Number of student conflicts
long	getBestRoomPreference() Overall room preference of the best solution ever found
double	getBestTimePreference() Overall time preference of the best solution ever found
Vector	getDepartmentSpreadConstraints() The list of all departmental spread constraints
int	getDepartmentSpreadPenalty() Overall departmental spread penalty
long	getGlobalGroupConstraintPreference() Overall group constraint preference
Counter	getGlobalGroupConstraintPreferenceCounter() Overall group constraint preference
long	getGlobalRoomPreference() Overall room preference
double	getGlobalTimePreference() Overall time preference
Vector	getGroupConstraints() The list of all group constraints
long	getHardStudentConflicts() Overall hard student conflicts (student conflict between single section classes)
Hashtable	getInfo() Global info
Vector	getInstructorConstraints() The list of all instructor constraints
long	getInstructorDistancePreference() Overall instructor distance (back-to-back) preference
long	getInstructorWorstDistancePreference() The worst instructor distance (back-to-back) preference
Vector	getJenrlConstraints() The list of all jenrl constraints
static long	getMaxCapacity(long nrStudents) Max capacity for too big rooms (3/2 of the number of students)
DataProperties	getProperties()
Vector	getRoomConstraints() The list of all room constraints
long	getStudentDistanceConflicts() Overall number of student conflicts caused by distancies (back-to-back classes are too far)
long	getUselessSlots() Overall number of useless time slots
long	getViolatedStudentConflicts() Number of student conflicts
Counter	getViolatedStudentConflictsCounter() Number of student conflicts
Vector	ignoredClasses() For MPP generator
void	removeConstraint(Constraint constraint) Removes a constraint from the model
void	saveBest() Save the current assignment as the best ever found assignment
void	setBestRoomPreference(long bestRoomPreference) Sets overall room preference of the best solution ever found
void	setBestTimePreference(double bestTimePreference) Sets overall time preference of the best solution ever found
void	switchStudents() Student final sectioning (switching students between sections of the same class in order to minimize overall number of student conflicts)
String	toString()

Methods inherited from class ifs.model.Model

addModelListener, addVariable, assignedVariables, beforeAssigned, beforeUnassigned, bestUnassignedVariables, conflictConstraints, conflictValues, constraints, countConstraints, countVariables, getBestPerturbations, getBestUnassignedVariables, getModelListeners, getTotalValue, init, modelListenerOfType, perturbVariables, removeModelListener, removeVariable, restoreBest, unassignedHardConstraints, unassignedVariables, variables, variablesWithoutInitialValue

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

TimetableModel

public TimetableModel(DataProperties properties)

Method Detail

ignoredClasses

public Vector ignoredClasses()

For MPP generator

getProperties

public DataProperties getProperties()

checkJenrl

public void checkJenrl()

Check validity of JENRL constraints from student enrollments

getGlobalRoomPreference

public long getGlobalRoomPreference()

Overall room preference

getGlobalTimePreference

public double getGlobalTimePreference()

Overall time preference

getViolatedStudentConflicts

public long getViolatedStudentConflicts()

Number of student conflicts

countViolatedStudentConflicts

public long countViolatedStudentConflicts()

Number of student conflicts

getViolatedStudentConflictsCounter

public Counter getViolatedStudentConflictsCounter()

Number of student conflicts

getGlobalGroupConstraintPreference

public long getGlobalGroupConstraintPreference()

Overall group constraint preference

getGlobalGroupConstraintPreferenceCounter

public Counter getGlobalGroupConstraintPreferenceCounter()

Overall group constraint preference

getBestRoomPreference

public long getBestRoomPreference()

Overall room preference of the best solution ever found

getBestTimePreference

public double getBestTimePreference()

Overall time preference of the best solution ever found

setBestRoomPreference

public void setBestRoomPreference(long bestRoomPreference)

Sets overall room preference of the best solution ever found

setBestTimePreference

public void setBestTimePreference(double bestTimePreference)

Sets overall time preference of the best solution ever found

getInstructorDistancePreference

public long getInstructorDistancePreference()

Overall instructor distance (back-to-back) preference

getInstructorWorstDistancePreference

public long getInstructorWorstDistancePreference()

The worst instructor distance (back-to-back) preference

getUselessSlots

public long getUselessSlots()

Overall number of useless time slots

getStudentDistanceConflicts

public long getStudentDistanceConflicts()

Overall number of student conflicts caused by distancies (back-to-back classes are too far)

getHardStudentConflicts

public long getHardStudentConflicts()

Overall hard student conflicts (student conflict between single section classes)

afterAssigned

public void afterAssigned(long iteration,
                          Value value)

When a value is assigned to a variable -- update gloval preferences

Overrides:

afterAssigned in class Model

afterUnassigned

public void afterUnassigned(long iteration,
                            Value value)

When a value is unassigned from a variable -- update gloval preferences

Overrides:

afterUnassigned in class Model

switchStudents

public void switchStudents()

Student final sectioning (switching students between sections of the same class in order to minimize overall number of student conflicts)

toString

public String toString()

Overrides:

toString in class Model

countTooBigRooms

public int countTooBigRooms()

Overall number of too big rooms (rooms with more than 3/2 seats than needed)

getDepartmentSpreadPenalty

public int getDepartmentSpreadPenalty()

Overall departmental spread penalty

getInfo

public Hashtable getInfo()

Global info

Overrides:

getInfo in class Model

bestTooBigRooms

public int bestTooBigRooms()

Overall number of too big rooms of the best solution ever found

bestUselessSlots

public long bestUselessSlots()

Overall number of useless slots of the best solution ever found

bestGlobalTimePreference

public double bestGlobalTimePreference()

Overall time preference of the best solution ever found

bestGlobalRoomPreference

public long bestGlobalRoomPreference()

Overall room preference of the best solution ever found

bestGlobalGroupConstraintPreference

public long bestGlobalGroupConstraintPreference()

Overall group constraint preference of the best solution ever found

bestViolatedStudentConflicts

public long bestViolatedStudentConflicts()

Overall number of student conflicts of the best solution ever found

bestHardStudentConflicts

public long bestHardStudentConflicts()

Overall number of student conflicts between single section classes of the best solution ever found

bestInstructorDistancePreference

public long bestInstructorDistancePreference()

Overall instructor distance preference of the best solution ever found

bestDepartmentSpreadPenalty

public int bestDepartmentSpreadPenalty()

Overall departmental spread penalty of the best solution ever found

saveBest

public void saveBest()

Description copied from class: Model

Save the current assignment as the best ever found assignment

Overrides:

saveBest in class Model

addConstraint

public void addConstraint(Constraint constraint)

Description copied from class: Model

Adds a constraint to the model

Overrides:

addConstraint in class Model

removeConstraint

public void removeConstraint(Constraint constraint)

Description copied from class: Model

Removes a constraint from the model

Overrides:

removeConstraint in class Model

getInstructorConstraints

public Vector getInstructorConstraints()

The list of all instructor constraints

getGroupConstraints

public Vector getGroupConstraints()

The list of all group constraints

getJenrlConstraints

public Vector getJenrlConstraints()

The list of all jenrl constraints

getRoomConstraints

public Vector getRoomConstraints()

The list of all room constraints

getDepartmentSpreadConstraints

public Vector getDepartmentSpreadConstraints()

The list of all departmental spread constraints

getMaxCapacity

public static long getMaxCapacity(long nrStudents)

Max capacity for too big rooms (3/2 of the number of students)