/**
* Copyright 2010 JBoss Inc
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.drools.planner.examples.manners2009.solver.move.factory;
import java.util.ArrayList;
import java.util.List;
import java.util.ListIterator;
import org.drools.planner.core.move.Move;
import org.drools.planner.core.move.factory.CachedMoveFactory;
import org.drools.planner.core.solution.Solution;
import org.drools.planner.examples.manners2009.domain.Manners2009;
import org.drools.planner.examples.manners2009.domain.SeatDesignation;
import org.drools.planner.examples.manners2009.solver.move.SeatDesignationSwitchMove;
/**
* @author Geoffrey De Smet
*/
public class SeatDesignationSwitchMoveFactory extends CachedMoveFactory {
public List<Move> createCachedMoveList(Solution solution) {
Manners2009 manners2009 = (Manners2009) solution;
List<SeatDesignation> seatDesignationList = manners2009.getSeatDesignationList();
List<Move> moveList = new ArrayList<Move>();
for (ListIterator<SeatDesignation> leftIt = seatDesignationList.listIterator(); leftIt.hasNext();) {
SeatDesignation leftSeatDesignation = leftIt.next();
for (ListIterator<SeatDesignation> rightIt = seatDesignationList.listIterator(leftIt.nextIndex());
rightIt.hasNext();) {
SeatDesignation rightSeatDesignation = rightIt.next();
if (leftSeatDesignation.getGuest().getGender() == rightSeatDesignation.getGuest().getGender()) {
moveList.add(new SeatDesignationSwitchMove(leftSeatDesignation, rightSeatDesignation));
}
}
}
return moveList;
}
}