org.cpsolver.studentsct.heuristics.selection

Class BranchBoundSelection.BranchBoundNeighbour

java.lang.Object

org.cpsolver.studentsct.heuristics.selection.BranchBoundSelection.BranchBoundNeighbour

All Implemented Interfaces:

Neighbour<Request,Enrollment>

Enclosing class:

BranchBoundSelection

public static class BranchBoundSelection.BranchBoundNeighbour
extends Object
implements Neighbour<Request,Enrollment>

Branch & bound neighbour -- a schedule of a student

Constructor Summary

Constructors

Constructor and Description
BranchBoundNeighbour(Student student, double value, Enrollment[] assignment) Constructor

Method Summary

Modifier and Type	Method and Description
void	assign(Assignment<Request,Enrollment> assignment, long iteration) Assign the schedule
Map<Request,Enrollment>	assignments() Return assignments to be done.
Enrollment[]	getAssignment() Assignment
Student	getStudent() Student
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

BranchBoundNeighbour

public BranchBoundNeighbour(Student student,
                            double value,
                            Enrollment[] assignment)

Constructor

Parameters:

student - selected student

value - value of the schedule

assignment - enrollments of student's requests

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

getAssignment

public Enrollment[] getAssignment()

Assignment

Returns:

an enrollment for each request of the student

getStudent

public Student getStudent()

Student

Returns:

selected student

assign

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

Assign the schedule

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