org.cpsolver.studentsct.heuristics.selection

Class SwapStudentSelection.SwapStudentNeighbour

java.lang.Object

org.cpsolver.studentsct.heuristics.selection.SwapStudentSelection.SwapStudentNeighbour

All Implemented Interfaces:

Neighbour<Request,Enrollment>

Enclosing class:

SwapStudentSelection

public static class SwapStudentSelection.SwapStudentNeighbour
extends Object
implements Neighbour<Request,Enrollment>

Neighbour that contains the swap

Constructor Summary

Constructors

Constructor and Description
SwapStudentNeighbour(double value, Enrollment enrollment, List<Enrollment> swaps) Constructor

Method Summary

Modifier and Type	Method and Description
void	assign(Assignment<Request,Enrollment> assignment, long iteration) Perform the move.
Map<Request,Enrollment>	assignments() Return assignments to be done.
Student	getStudent()
String	toString()
double	value(Assignment<Request,Enrollment> assignment) Difference in the evaluation function, if this neighnour is assigned.

Methods inherited from class java.lang.Object

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

Constructor Detail

SwapStudentNeighbour

public SwapStudentNeighbour(double value,
                            Enrollment enrollment,
                            List<Enrollment> swaps)

Constructor

Parameters:

value - cost of the move

enrollment - the enrollment which is to be assigned to the given student

swaps - enrollment swaps

Method Detail

value

public double value(Assignment<Request,Enrollment> assignment)

Description copied from interface: Neighbour

Difference in the evaluation function, if this neighnour is assigned.

Specified by:

value in interface Neighbour<Request,Enrollment>

Parameters:

assignment - current assignment

Returns:

difference in the solution value when assigned

getStudent

public Student getStudent()

assign

public void assign(Assignment<Request,Enrollment> assignment,
                   long iteration)

Perform the move. All the requeired swaps are identified and performed as well.

Specified by:

assign in interface Neighbour<Request,Enrollment>

Parameters:

assignment - current assignment

iteration - current iteration

toString

public String toString()

Overrides:

toString in class Object

assignments

public Map<Request,Enrollment> assignments()

Description copied from interface: Neighbour

Return assignments to be done.

Specified by:

assignments in interface Neighbour<Request,Enrollment>

Returns:

list of assignments (including unassignments) of this neighbour