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OptaPlanner solves planning problems.
This lightweight, embeddable planning engine implements powerful and scalable algorithms
to optimize business resource scheduling and planning.
This module contains the examples which demonstrate how to use it in a normal Java application.
/*
* Copyright 2014 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.optaplanner.examples.examination.swingui;
import java.awt.BorderLayout;
import java.awt.Frame;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import javax.swing.AbstractAction;
import javax.swing.BorderFactory;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JSpinner;
import javax.swing.SpinnerNumberModel;
import org.optaplanner.core.impl.score.director.ScoreDirector;
import org.optaplanner.core.impl.solver.ProblemFactChange;
import org.optaplanner.examples.common.business.SolutionBusiness;
import org.optaplanner.examples.examination.domain.Examination;
import org.optaplanner.examples.examination.domain.InstitutionParametrization;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class InstitutionParametrizationDialog extends JDialog {
protected final transient Logger logger = LoggerFactory.getLogger(getClass());
protected final ExaminationPanel examinationPanel;
private JSpinner twoInARowPenaltyField;
private JSpinner twoInADayPenaltyField;
private JSpinner periodSpreadLengthField;
private JSpinner periodSpreadPenaltyField;
private JSpinner mixedDurationPenaltyField;
private JSpinner frontLoadLargeTopicSizeField;
private JSpinner frontLoadLastPeriodSizeField;
private JSpinner frontLoadPenaltyField;
protected final AbstractAction saveAction;
public InstitutionParametrizationDialog(Frame owner, ExaminationPanel examinationPanel) {
super(owner, "Edit institution score parametrization", true);
this.examinationPanel = examinationPanel;
JPanel contentPanel = new JPanel(new BorderLayout(5, 5));
contentPanel.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
contentPanel.add(createFormPanel(), BorderLayout.CENTER);
saveAction = new AbstractAction("Save") {
@Override
public void actionPerformed(ActionEvent e) {
save();
}
};
contentPanel.add(new JButton(saveAction), BorderLayout.SOUTH);
setContentPane(contentPanel);
pack();
}
private JPanel createFormPanel() {
JPanel formPanel = new JPanel(new GridLayout(0, 2, 5, 5));
formPanel.add(new JLabel("2 exams in a row penalty"));
twoInARowPenaltyField = new JSpinner(new SpinnerNumberModel(0, 0, null, 1));
formPanel.add(twoInARowPenaltyField);
formPanel.add(new JLabel("2 exams in a day penalty"));
twoInADayPenaltyField = new JSpinner(new SpinnerNumberModel(0, 0, null, 1));
formPanel.add(twoInADayPenaltyField);
formPanel.add(new JLabel("Period spread length"));
periodSpreadLengthField = new JSpinner(new SpinnerNumberModel(0, 0, null, 1));
formPanel.add(periodSpreadLengthField);
formPanel.add(new JLabel("Period spread penalty"));
periodSpreadPenaltyField = new JSpinner(new SpinnerNumberModel(0, 0, null, 1));
formPanel.add(periodSpreadPenaltyField);
formPanel.add(new JLabel("Exams of mixed duration penalty"));
mixedDurationPenaltyField = new JSpinner(new SpinnerNumberModel(0, 0, null, 1));
formPanel.add(mixedDurationPenaltyField);
formPanel.add(new JLabel("Front load: large exam size"));
frontLoadLargeTopicSizeField = new JSpinner(new SpinnerNumberModel(0, 0, null, 1));
frontLoadLargeTopicSizeField.setEnabled(false); // Not yet implemented: requires Topic changes if changed
formPanel.add(frontLoadLargeTopicSizeField);
formPanel.add(new JLabel("Front load: last period size"));
frontLoadLastPeriodSizeField = new JSpinner(new SpinnerNumberModel(0, 0, null, 1));
frontLoadLastPeriodSizeField.setEnabled(false); // Not yet implemented: requires Period changes if changed
formPanel.add(frontLoadLastPeriodSizeField);
formPanel.add(new JLabel("Front load: penalty"));
frontLoadPenaltyField = new JSpinner(new SpinnerNumberModel(0, 0, null, 1));
formPanel.add(frontLoadPenaltyField);
return formPanel;
}
public void setInstitutionParametrization(InstitutionParametrization institutionParametrization) {
twoInARowPenaltyField.setValue(institutionParametrization.getTwoInARowPenalty());
twoInADayPenaltyField.setValue(institutionParametrization.getTwoInADayPenalty());
periodSpreadLengthField.setValue(institutionParametrization.getPeriodSpreadLength());
periodSpreadPenaltyField.setValue(institutionParametrization.getPeriodSpreadPenalty());
mixedDurationPenaltyField.setValue(institutionParametrization.getMixedDurationPenalty());
frontLoadLargeTopicSizeField.setValue(institutionParametrization.getFrontLoadLargeTopicSize());
frontLoadLastPeriodSizeField.setValue(institutionParametrization.getFrontLoadLastPeriodSize());
frontLoadPenaltyField.setValue(institutionParametrization.getFrontLoadPenalty());
setLocationRelativeTo(examinationPanel.getTopLevelAncestor());
}
private void save() {
final int twoInARowPenalty = (Integer) twoInARowPenaltyField.getValue();
final int twoInADayPenalty = (Integer) twoInADayPenaltyField.getValue();
final int periodSpreadLength = (Integer) periodSpreadLengthField.getValue();
final int periodSpreadPenalty = (Integer) periodSpreadPenaltyField.getValue();
final int mixedDurationPenalty = (Integer) mixedDurationPenaltyField.getValue();
final int frontLoadLargeTopicSize = (Integer) frontLoadLargeTopicSizeField.getValue();
final int frontLoadLastPeriodSize = (Integer) frontLoadLastPeriodSizeField.getValue();
final int frontLoadPenalty = (Integer) frontLoadPenaltyField.getValue();
examinationPanel.getSolutionBusiness().doProblemFactChange(new ProblemFactChange() {
public void doChange(ScoreDirector scoreDirector) {
Examination examination = (Examination) scoreDirector.getWorkingSolution();
InstitutionParametrization institutionParametrization = examination.getInstitutionParametrization();
scoreDirector.beforeProblemFactChanged(institutionParametrization);
institutionParametrization.setTwoInARowPenalty(twoInARowPenalty);
institutionParametrization.setTwoInADayPenalty(twoInADayPenalty);
institutionParametrization.setPeriodSpreadLength(periodSpreadLength);
institutionParametrization.setPeriodSpreadPenalty(periodSpreadPenalty);
institutionParametrization.setMixedDurationPenalty(mixedDurationPenalty);
institutionParametrization.setFrontLoadLargeTopicSize(frontLoadLargeTopicSize);
institutionParametrization.setFrontLoadLastPeriodSize(frontLoadLastPeriodSize);
institutionParametrization.setFrontLoadPenalty(frontLoadPenalty);
scoreDirector.afterProblemFactChanged(institutionParametrization);
}
});
setVisible(false);
examinationPanel.getSolverAndPersistenceFrame().resetScreen();
}
}