/*
* 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.examination.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.examination.domain.Exam;
import org.drools.planner.examples.examination.domain.Examination;
import org.drools.planner.examples.examination.solver.move.ExamSwapMove;
public class ExamSwapMoveFactory extends CachedMoveFactory {
public List<Move> createCachedMoveList(Solution solution) {
Examination examination = (Examination) solution;
List<Exam> examList = examination.getExamList();
List<Move> moveList = new ArrayList<Move>();
for (ListIterator<Exam> leftIt = examList.listIterator(); leftIt.hasNext();) {
Exam leftExam = leftIt.next();
for (ListIterator<Exam> rightIt = examList.listIterator(leftIt.nextIndex()); rightIt.hasNext();) {
Exam rightExam = rightIt.next();
moveList.add(new ExamSwapMove(leftExam, rightExam));
}
}
return moveList;
}
}