org.cpsolver.studentsct.heuristics.selection

Class PriorityConstructionSelection.ConstructionNeighbour

java.lang.Object

org.cpsolver.studentsct.heuristics.selection.PriorityConstructionSelection.ConstructionNeighbour

All Implemented Interfaces:

Neighbour<Request,Enrollment>

Enclosing class:

PriorityConstructionSelection

public class PriorityConstructionSelection.ConstructionNeighbour
extends Object
implements Neighbour<Request,Enrollment>

Takes BranchBoundSelection.BranchBoundNeighbour but only assign the given number of assignments, corresponding to the number of cycles.

Constructor Summary

Constructors

Constructor and Description
ConstructionNeighbour(BranchBoundSelection.BranchBoundNeighbour neighbour)

Method Summary

Modifier and Type	Method and Description
void	assign(Assignment<Request,Enrollment> assignment, long iteration) Only assign given number of assignments (from the first priority down).
Map<Request,Enrollment>	assignments() Return assignments to be done.
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

ConstructionNeighbour

public ConstructionNeighbour(BranchBoundSelection.BranchBoundNeighbour neighbour)

Method Detail

assign

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

Only assign given number of assignments (from the first priority down). Mark the cycle as improving if there was enough assignments to do.

Specified by:

assign in interface Neighbour<Request,Enrollment>

Parameters:

assignment - current assignment

iteration - current iteration

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

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