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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 2020 Red Hat, Inc. and/or its affiliates.
*
* 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.machinereassignment.swingui;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.GridLayout;
import java.awt.event.ActionEvent;
import java.util.ArrayList;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import javax.swing.AbstractAction;
import javax.swing.BorderFactory;
import javax.swing.GroupLayout;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTextField;
import org.optaplanner.examples.machinereassignment.domain.MrMachine;
import org.optaplanner.examples.machinereassignment.domain.MrMachineCapacity;
import org.optaplanner.examples.machinereassignment.domain.MrProcessAssignment;
import org.optaplanner.examples.machinereassignment.domain.MrResource;
import org.optaplanner.swing.impl.SwingUtils;
import org.optaplanner.swing.impl.TangoColorFactory;
public class MrMachinePanel extends JPanel {
private final MachineReassignmentPanel machineReassignmentPanel;
private List resourceList;
private MrMachine machine;
private List processAssignmentList = new ArrayList<>();
private JLabel machineLabel;
private JPanel resourceListPanel = null;
private Map resourceFieldMap;
private JLabel numberOfProcessesLabel;
private JButton detailsButton;
public MrMachinePanel(MachineReassignmentPanel machineReassignmentPanel, List resourceList,
MrMachine machine) {
super(new BorderLayout());
this.machineReassignmentPanel = machineReassignmentPanel;
this.resourceList = resourceList;
this.machine = machine;
setBorder(BorderFactory.createCompoundBorder(
BorderFactory.createCompoundBorder(
BorderFactory.createEmptyBorder(1, 2, 1, 2),
BorderFactory.createLineBorder(Color.BLACK)),
BorderFactory.createEmptyBorder(1, 1, 1, 1)));
createUI();
}
public MrMachine getMachine() {
return machine;
}
private String getMachineLabel() {
return machine == null ? "Unassigned" : machine.getLabel();
}
public void setResourceList(List resourceList) {
this.resourceList = resourceList;
resetResourceListPanel();
}
private void createUI() {
JPanel labelAndDeletePanel = new JPanel(new BorderLayout());
labelAndDeletePanel.setPreferredSize(new Dimension(150, 20));
machineLabel = new JLabel(getMachineLabel());
machineLabel.setEnabled(false);
labelAndDeletePanel.add(machineLabel, BorderLayout.CENTER);
if (machine != null) {
JButton deleteButton = SwingUtils.makeSmallButton(new JButton("X"));
deleteButton.setToolTipText("Delete");
deleteButton.addActionListener(e -> machineReassignmentPanel.deleteMachine(machine));
deleteButton.setToolTipText("Delete");
labelAndDeletePanel.add(deleteButton, BorderLayout.EAST);
}
add(labelAndDeletePanel, BorderLayout.WEST);
resetResourceListPanel();
JPanel numberAndDetailsPanel = new JPanel(new BorderLayout());
numberOfProcessesLabel = new JLabel("0 processes ", JLabel.RIGHT);
numberOfProcessesLabel.setPreferredSize(new Dimension(100, 20));
numberOfProcessesLabel.setEnabled(false);
numberAndDetailsPanel.add(numberOfProcessesLabel, BorderLayout.WEST);
detailsButton = new JButton(new AbstractAction("Details") {
@Override
public void actionPerformed(ActionEvent e) {
MrProcessAssignmentListDialog processAssignmentListDialog = new MrProcessAssignmentListDialog();
processAssignmentListDialog.setLocationRelativeTo(getRootPane());
processAssignmentListDialog.setVisible(true);
}
});
detailsButton.setEnabled(false);
numberAndDetailsPanel.add(detailsButton, BorderLayout.CENTER);
add(numberAndDetailsPanel, BorderLayout.EAST);
}
public void resetResourceListPanel() {
if (resourceListPanel != null) {
remove(resourceListPanel);
}
resourceListPanel = new JPanel(new GridLayout(1, resourceList.size()));
resourceFieldMap = new LinkedHashMap<>(resourceList.size());
for (MrResource resource : resourceList) {
long maximumCapacity = machine == null ? 0L : machine.getMachineCapacity(resource).getMaximumCapacity();
JTextField resourceField = new JTextField("0 / " + maximumCapacity);
resourceFieldMap.put(resource, resourceField);
resourceField.setEditable(false);
resourceField.setEnabled(false);
resourceListPanel.add(resourceField);
}
add(resourceListPanel, BorderLayout.CENTER);
}
public void addProcessAssignment(MrProcessAssignment processAssignment) {
processAssignmentList.add(processAssignment);
}
public void removeProcessAssignment(MrProcessAssignment processAssignment) {
processAssignmentList.remove(processAssignment);
}
public void clearProcessAssignments() {
processAssignmentList.clear();
}
public void update() {
updateTotals();
}
private void updateTotals() {
boolean used = processAssignmentList.size() > 0;
machineLabel.setEnabled(used);
for (MrResource resource : resourceList) {
JTextField resourceField = resourceFieldMap.get(resource);
long maximumCapacity;
long safetyCapacity;
if (machine != null) {
MrMachineCapacity machineCapacity = machine.getMachineCapacity(resource);
maximumCapacity = machineCapacity.getMaximumCapacity();
safetyCapacity = machineCapacity.getSafetyCapacity();
} else {
maximumCapacity = 0L;
safetyCapacity = 0L;
}
long usedTotal = 0L;
for (MrProcessAssignment processAssignment : processAssignmentList) {
usedTotal += processAssignment.getProcess().getProcessRequirement(resource).getUsage();
}
resourceField.setText(usedTotal + " / " + maximumCapacity);
resourceField.setForeground(usedTotal > maximumCapacity ? TangoColorFactory.SCARLET_3
: (usedTotal > safetyCapacity ? TangoColorFactory.ORANGE_3 : Color.BLACK));
resourceField.setEnabled(used);
}
numberOfProcessesLabel.setText(processAssignmentList.size() + " processes ");
numberOfProcessesLabel.setEnabled(used);
}
private class MrProcessAssignmentListDialog extends JDialog {
public MrProcessAssignmentListDialog() {
setModal(true);
setTitle(getMachineLabel());
JPanel contentPanel = new JPanel();
GroupLayout layout = new GroupLayout(contentPanel);
contentPanel.setLayout(layout);
JPanel assignmentsPanel = createAssignmentsPanel();
JScrollPane contentScrollPane = new JScrollPane(assignmentsPanel);
contentScrollPane.setPreferredSize(new Dimension(800, 200));
contentScrollPane.getVerticalScrollBar().setUnitIncrement(20);
setContentPane(contentScrollPane);
pack();
}
private JPanel createAssignmentsPanel() {
JPanel assignmentsPanel = new JPanel(new GridLayout(0, resourceList.size()));
int colorIndex = 0;
for (MrProcessAssignment processAssignment : processAssignmentList) {
JLabel processAssignmentLabel = new JLabel(processAssignment.getLabel());
processAssignmentLabel.setForeground(TangoColorFactory.SEQUENCE_1.get(colorIndex));
assignmentsPanel.add(processAssignmentLabel);
for (MrResource resource : resourceList) {
long usage = processAssignment.getProcess().getProcessRequirement(resource).getUsage();
JTextField resourceField = new JTextField(Long.toString(usage));
resourceField.setEditable(false);
assignmentsPanel.add(resourceField);
}
colorIndex = (colorIndex + 1) % TangoColorFactory.SEQUENCE_1.size();
}
return assignmentsPanel;
}
}
}