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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 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.optaplanner.examples.app;
import java.awt.BorderLayout;
import java.awt.Component;
import java.awt.Container;
import java.awt.Graphics;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import javax.swing.AbstractAction;
import javax.swing.BorderFactory;
import javax.swing.GroupLayout;
import javax.swing.Icon;
import javax.swing.ImageIcon;
import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextArea;
import javax.swing.border.TitledBorder;
import org.optaplanner.core.api.solver.SolverFactory;
import org.optaplanner.examples.cloudbalancing.app.CloudBalancingApp;
import org.optaplanner.examples.common.app.CommonApp;
import org.optaplanner.examples.common.swingui.SolverAndPersistenceFrame;
import org.optaplanner.examples.common.swingui.TangoColorFactory;
import org.optaplanner.examples.curriculumcourse.app.CurriculumCourseApp;
import org.optaplanner.examples.dinnerparty.app.DinnerPartyApp;
import org.optaplanner.examples.examination.app.ExaminationApp;
import org.optaplanner.examples.machinereassignment.app.MachineReassignmentApp;
import org.optaplanner.examples.nqueens.app.NQueensApp;
import org.optaplanner.examples.nurserostering.app.NurseRosteringApp;
import org.optaplanner.examples.pas.app.PatientAdmissionScheduleApp;
import org.optaplanner.examples.projectjobscheduling.app.ProjectJobSchedulingApp;
import org.optaplanner.examples.tennis.app.TennisApp;
import org.optaplanner.examples.travelingtournament.app.TravelingTournamentApp;
import org.optaplanner.examples.tsp.app.TspApp;
import org.optaplanner.examples.vehiclerouting.app.VehicleRoutingApp;
public class OptaPlannerExamplesApp extends JFrame {
public static void main(String[] args) {
CommonApp.prepareSwingEnvironment();
OptaPlannerExamplesApp optaPlannerExamplesApp = new OptaPlannerExamplesApp();
optaPlannerExamplesApp.pack();
optaPlannerExamplesApp.setLocationRelativeTo(null);
optaPlannerExamplesApp.setVisible(true);
}
private static String determineOptaPlannerExamplesVersion() {
String optaPlannerExamplesVersion = OptaPlannerExamplesApp.class.getPackage().getImplementationVersion();
if (optaPlannerExamplesVersion == null) {
optaPlannerExamplesVersion = "";
}
return optaPlannerExamplesVersion;
}
private JTextArea descriptionTextArea;
public OptaPlannerExamplesApp() {
super("OptaPlanner examples " + determineOptaPlannerExamplesVersion());
setIconImage(SolverAndPersistenceFrame.OPTA_PLANNER_ICON.getImage());
setContentPane(createContentPane());
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
}
private Container createContentPane() {
JPanel contentPane = new JPanel(new BorderLayout(10, 10));
contentPane.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
JLabel titleLabel = new JLabel("Which example do you want to see?", JLabel.CENTER);
titleLabel.setFont(titleLabel.getFont().deriveFont(20.0f));
contentPane.add(titleLabel, BorderLayout.NORTH);
JScrollPane examplesScrollPane = new JScrollPane(createExamplesPanel());
examplesScrollPane.getHorizontalScrollBar().setUnitIncrement(20);
examplesScrollPane.getVerticalScrollBar().setUnitIncrement(20);
contentPane.add(examplesScrollPane, BorderLayout.CENTER);
contentPane.add(createDescriptionPanel(), BorderLayout.SOUTH);
return contentPane;
}
private JPanel createExamplesPanel() {
JPanel examplesPanel = new JPanel();
examplesPanel.setBorder(BorderFactory.createEmptyBorder(5, 5, 5, 5));
GroupLayout layout = new GroupLayout(examplesPanel);
examplesPanel.setLayout(layout);
JPanel basicExamplesPanel = createBasicExamplesPanel();
JPanel realExamplesPanel = createRealExamplesPanel();
JPanel difficultExamplesPanel = createDifficultExamplesPanel();
layout.setHorizontalGroup(layout.createSequentialGroup()
.addComponent(basicExamplesPanel)
.addGap(10)
.addComponent(realExamplesPanel)
.addGap(10)
.addComponent(difficultExamplesPanel));
layout.setVerticalGroup(layout.createParallelGroup()
.addComponent(basicExamplesPanel)
.addComponent(realExamplesPanel)
.addComponent(difficultExamplesPanel));
return examplesPanel;
}
private JPanel createBasicExamplesPanel() {
JPanel panel = new JPanel(new GridLayout(5, 1, 5, 5));
TitledBorder titledBorder = BorderFactory.createTitledBorder("Basic examples");
titledBorder.setTitleColor(TangoColorFactory.CHAMELEON_3);
panel.setBorder(BorderFactory.createCompoundBorder(titledBorder,
BorderFactory.createEmptyBorder(5, 5, 5, 5)));
panel.add(createExampleButton(new NQueensApp()));
panel.add(createExampleButton(new CloudBalancingApp()));
panel.add(createExampleButton(new TspApp()));
panel.add(createExampleButton(new DinnerPartyApp()));
panel.add(createExampleButton(new TennisApp()));
return panel;
}
private JPanel createRealExamplesPanel() {
JPanel panel = new JPanel(new GridLayout(5, 1, 5, 5));
TitledBorder titledBorder = BorderFactory.createTitledBorder("Real examples");
titledBorder.setTitleColor(TangoColorFactory.BUTTER_3);
panel.setBorder(BorderFactory.createCompoundBorder(titledBorder,
BorderFactory.createEmptyBorder(5, 5, 5, 5)));
panel.add(createExampleButton(new CurriculumCourseApp()));
panel.add(createExampleButton(new MachineReassignmentApp()));
panel.add(createExampleButton(new VehicleRoutingApp()));
panel.add(createExampleButton(new ProjectJobSchedulingApp()));
panel.add(createExampleButton(new PatientAdmissionScheduleApp()));
return panel;
}
private JPanel createDifficultExamplesPanel() {
JPanel panel = new JPanel(new GridLayout(5, 1, 5, 5));
TitledBorder titledBorder = BorderFactory.createTitledBorder("Difficult examples");
titledBorder.setTitleColor(TangoColorFactory.SCARLET_3);
panel.setBorder(BorderFactory.createCompoundBorder(titledBorder,
BorderFactory.createEmptyBorder(5, 5, 5, 5)));
panel.add(createExampleButton(new ExaminationApp()));
panel.add(createExampleButton(new NurseRosteringApp()));
panel.add(createExampleButton(new TravelingTournamentApp()));
panel.add(new JPanel());
return panel;
}
private JButton createExampleButton(final CommonApp commonApp) {
String iconResource = commonApp.getIconResource();
Icon icon = iconResource == null ? new EmptyIcon() : new ImageIcon(getClass().getResource(iconResource));
JButton button = new JButton(new AbstractAction(commonApp.getName(), icon) {
public void actionPerformed(ActionEvent e) {
commonApp.init(OptaPlannerExamplesApp.this, false);
}
});
button.setHorizontalAlignment(JButton.LEFT);
button.setHorizontalTextPosition(JButton.RIGHT);
button.setVerticalTextPosition(JButton.CENTER);
button.addMouseListener(new MouseAdapter() {
public void mouseEntered(MouseEvent e) {
descriptionTextArea.setText(commonApp.getDescription());
}
public void mouseExited(MouseEvent e) {
descriptionTextArea.setText("");
}
});
return button;
}
private JButton createDisabledExampleButton(final CommonApp commonApp) {
JButton exampleButton = createExampleButton(commonApp);
exampleButton.setEnabled(false);
return exampleButton;
}
private JPanel createDescriptionPanel() {
JPanel descriptionPanel = new JPanel(new BorderLayout());
descriptionPanel.add(new JLabel("Description"), BorderLayout.NORTH);
descriptionTextArea = new JTextArea(8, 80);
descriptionTextArea.setEditable(false);
descriptionPanel.add(new JScrollPane(descriptionTextArea,
JScrollPane.VERTICAL_SCROLLBAR_ALWAYS, JScrollPane.HORIZONTAL_SCROLLBAR_NEVER), BorderLayout.CENTER);
return descriptionPanel;
}
private static class EmptyIcon implements Icon {
@Override
public int getIconWidth() {
return 64;
}
@Override
public int getIconHeight() {
return 64;
}
@Override
public void paintIcon(Component c, Graphics g, int x, int y) {
// Do nothing
}
}
}