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Drools Planner optimizes automated planning by combining metaheuristic search algorithms with rule
engine powered score calculation. This is the drools-planner-examples module which contains examples on how to use
Drools Planner.
/*
* 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;
import org.drools.planner.core.score.director.ScoreDirector;
import org.drools.planner.examples.examination.domain.Exam;
import org.drools.planner.examples.examination.domain.Period;
import org.drools.planner.examples.examination.domain.Room;
public class ExaminationMoveHelper {
public static void movePeriod(ScoreDirector scoreDirector, Exam exam, Period period) {
scoreDirector.beforeVariableChanged(exam, "period");
exam.setPeriod(period);
scoreDirector.afterVariableChanged(exam, "period");
movePeriodCoincidence(scoreDirector, exam, period);
}
public static void moveRoom(ScoreDirector scoreDirector, Exam exam, Room room) {
scoreDirector.beforeVariableChanged(exam, "room");
exam.setRoom(room);
scoreDirector.afterVariableChanged(exam, "room");
}
public static void moveExam(ScoreDirector scoreDirector, Exam exam, Period period, Room room) {
scoreDirector.beforeAllVariablesChanged(exam);
exam.setPeriod(period);
exam.setRoom(room);
scoreDirector.afterAllVariablesChanged(exam);
movePeriodCoincidence(scoreDirector, exam, period);
}
public static void movePeriodCoincidence(ScoreDirector scoreDirector, Exam exam, Period period) {
if (exam.getExamCoincidence() != null) {
for (Exam coincidenceExam : exam.getExamCoincidence().getCoincidenceExamSet()) {
if (!exam.equals(coincidenceExam)) {
scoreDirector.beforeVariableChanged(coincidenceExam, "period");
coincidenceExam.setPeriod(period);
scoreDirector.afterVariableChanged(coincidenceExam, "period");
}
}
}
}
private ExaminationMoveHelper() {
}
}