net.sf.cpsolver.coursett.constraint
Interface WeakeningConstraint

All Known Implementing Classes:
DepartmentSpreadConstraint, MinimizeNumberOfUsedGroupsOfTime, MinimizeNumberOfUsedRoomsConstraint, SpreadConstraint

public interface WeakeningConstraint

Interface of a constraint that weakens with the time.

Version:
CourseTT 1.1 (University Course Timetabling)
Copyright (C) 2006 Tomáš Müller
muller@unitime.org
Lazenska 391, 76314 Zlin, Czech Republic

This library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation; either version 2.1 of the License, or (at your option) any later version.

This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with this library; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA

Method Summary
 void weaken()
          Weaken the constraint.
 

Method Detail

weaken

void weaken()
Weaken the constraint. This method is called if the constraint participates in an unassigned of a variable.