Examples of net.sf.cpsolver.itc.heuristics.neighbour.ItcSimpleNeighbour

net.sf.cpsolver.itc.heuristics.neighbour.ItcSimpleNeighbour

Reassignment of a variable. @version ITC2007 1.0
Copyright (C) 2007 Tomas Muller
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

            if (iVariable.getAssignment()!=null)
                eval -= iValueWeight * iVariable.getAssignment().toDouble();
            else
                eval -= iConflictWeight;
            eval += iConflictWeight * model.conflictValues(value).size();
            return new ItcSimpleNeighbour(iVariable,value,eval);
        }
    }

        if (variable.getAssignment()!=null)
            eval -= iValueWeight * variable.getAssignment().toDouble();
        else
            eval -= iConflictWeight;
        eval += iConflictWeight * model.conflictValues(value).size();
        return new ItcSimpleNeighbour(variable,value,eval);
    }

        Model model = solution.getModel();
        Variable variable = (Variable)ToolBox.random(model.variables());
        Value value = (Value)ToolBox.random(variable.values());
        if (value.equals(variable.getAssignment())) return null;
        if (model.inConflict(value)) return null;
        return new ItcSimpleNeighbour(variable,value);
    }

Examples of net.sf.cpsolver.itc.heuristics.neighbour.ItcSimpleNeighbour

Related Classes of net.sf.cpsolver.itc.heuristics.neighbour.ItcSimpleNeighbour