org.cpsolver.studentsct.constraint

Class LinkedSections.LinkedSectionsConstraint

java.lang.Object

org.cpsolver.ifs.model.Constraint<Request,Enrollment>

org.cpsolver.studentsct.constraint.LinkedSections.LinkedSectionsConstraint

All Implemented Interfaces:

Comparable<Constraint<Request,Enrollment>>

Enclosing class:

LinkedSections

public class LinkedSections.LinkedSectionsConstraint
extends Constraint<Request,Enrollment>

Linked sections constraint -- to be created for each student that requests two or more offerings of this link

Field Summary

Fields inherited from class org.cpsolver.ifs.model.Constraint

iConstraintListeners, iId

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	LinkedSectionsConstraint(Student student, Collection<Request> requests) Constructor

Method Summary

Modifier and Type	Method and Description
void	computeConflicts(Assignment<Request,Enrollment> assignment, Enrollment value, Set<Enrollment> conflicts) Compute conflicts using LinkedSections.computeConflicts(Assignment, Enrollment, ConflictHandler)
LinkedSections	getLinkedSections() Return linked section
Student	getStudent() Return student
boolean	inConflict(Assignment<Request,Enrollment> assignment, Enrollment value) Check for conflict using LinkedSections.inConflict(Assignment, Enrollment)
boolean	isConsistent(Enrollment enrollment, Enrollment other) Check consistency using LinkedSections.inConflict(Enrollment, EnrollmentAssignment)
String	toString()

Methods inherited from class org.cpsolver.ifs.model.Constraint

addConstraintListener, addVariable, assigned, assignedVariables, compareTo, computeConflictsNoForwardCheck, constraintListeners, countAssignedVariables, countVariables, equals, getDescription, getId, getModel, getName, hashCode, isHard, removeConstraintListener, removeVariable, setModel, unassigned, variables

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

LinkedSectionsConstraint

protected LinkedSectionsConstraint(Student student,
                                   Collection<Request> requests)

Constructor

Parameters:

student - a student

requests - sub-set of student requests Student.getRequests() that contains offerings of this link

Method Detail

getStudent

public Student getStudent()

Return student

Returns:

student

getLinkedSections

public LinkedSections getLinkedSections()

Return linked section

Returns:

linked sections constraint

computeConflicts

public void computeConflicts(Assignment<Request,Enrollment> assignment,
                             Enrollment value,
                             Set<Enrollment> conflicts)

Compute conflicts using LinkedSections.computeConflicts(Assignment, Enrollment, ConflictHandler)

Specified by:

computeConflicts in class Constraint<Request,Enrollment>

Parameters:

assignment - current assignment

value - value to be assigned to its variable

conflicts - resultant set of conflicting values

isConsistent

public boolean isConsistent(Enrollment enrollment,
                            Enrollment other)

Check consistency using LinkedSections.inConflict(Enrollment, EnrollmentAssignment)

Overrides:

isConsistent in class Constraint<Request,Enrollment>

Parameters:

enrollment - a value

other - a value

Returns:

true if the constraint is ok with the assignment

inConflict

public boolean inConflict(Assignment<Request,Enrollment> assignment,
                          Enrollment value)

Check for conflict using LinkedSections.inConflict(Assignment, Enrollment)

Overrides:

inConflict in class Constraint<Request,Enrollment>

Parameters:

assignment - current assignment

value - given value

Returns:

true if there is a conflict with other assigned variables of the constraint

toString

public String toString()

Overrides:

toString in class Object