org.optaplanner.examples.cloudbalancing.swingui.CloudComputerPanel Maven / Gradle / Ivy
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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 2011 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.cloudbalancing.swingui;
import java.awt.BorderLayout;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Graphics;
import java.awt.GridLayout;
import java.awt.Insets;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.ArrayList;
import java.util.List;
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.cloudbalancing.domain.CloudComputer;
import org.optaplanner.examples.cloudbalancing.domain.CloudProcess;
import org.optaplanner.examples.common.swingui.TangoColorFactory;
public class CloudComputerPanel extends JPanel {
private final CloudBalancingPanel cloudBalancingPanel;
private CloudComputer computer;
private List processList = new ArrayList();
private JLabel computerLabel;
private JButton deleteButton;
private JTextField cpuPowerField;
private JTextField memoryField;
private JTextField networkBandwidthField;
private JTextField costField;
private JLabel numberOfProcessesLabel;
private CloudBar cpuPowerBar;
private CloudBar memoryBar;
private CloudBar networkBandwidthBar;
private JButton detailsButton;
public CloudComputerPanel(CloudBalancingPanel cloudBalancingPanel, CloudComputer computer) {
super(new GridLayout(0, 5));
this.cloudBalancingPanel = cloudBalancingPanel;
this.computer = computer;
setBorder(BorderFactory.createCompoundBorder(
BorderFactory.createCompoundBorder(
BorderFactory.createEmptyBorder(1, 2, 1, 2),
BorderFactory.createLineBorder(Color.BLACK)),
BorderFactory.createEmptyBorder(1, 1, 1, 1)));
createTotalsUI();
createBarsUI();
}
public CloudComputer getComputer() {
return computer;
}
private String getComputerLabel() {
return computer == null ? "Unassigned" : computer.getLabel();
}
private int getComputerCpuPower() {
return computer == null ? 0 : computer.getCpuPower();
}
private int getComputerMemory() {
return computer == null ? 0 : computer.getMemory();
}
private int getComputerNetworkBandwidth() {
return computer == null ? 0 : computer.getNetworkBandwidth();
}
private int getComputerCost() {
return computer == null ? 0 : computer.getCost();
}
private void createTotalsUI() {
JPanel labelAndDeletePanel = new JPanel(new BorderLayout(5, 0));
if (computer != null) {
labelAndDeletePanel.add(new JLabel(cloudBalancingPanel.getCloudComputerIcon()), BorderLayout.WEST);
}
computerLabel = new JLabel(getComputerLabel());
computerLabel.setEnabled(false);
labelAndDeletePanel.add(computerLabel, BorderLayout.CENTER);
if (computer != null) {
JPanel deletePanel = new JPanel(new BorderLayout());
deleteButton = new JButton(cloudBalancingPanel.getDeleteCloudComputerIcon());
deleteButton.addActionListener(new ActionListener() {
public void actionPerformed(ActionEvent e) {
cloudBalancingPanel.deleteComputer(computer);
}
});
deleteButton.setMargin(new Insets(0, 0, 0, 0));
deletePanel.add(deleteButton, BorderLayout.NORTH);
labelAndDeletePanel.add(deletePanel, BorderLayout.EAST);
}
add(labelAndDeletePanel);
cpuPowerField = new JTextField("0 GHz / " + getComputerCpuPower() + " GHz");
cpuPowerField.setEditable(false);
cpuPowerField.setEnabled(false);
add(cpuPowerField);
memoryField = new JTextField("0 GB / " + getComputerMemory() + " GB");
memoryField.setEditable(false);
memoryField.setEnabled(false);
add(memoryField);
networkBandwidthField = new JTextField("0 GB / " + getComputerNetworkBandwidth() + " GB");
networkBandwidthField.setEditable(false);
networkBandwidthField.setEnabled(false);
add(networkBandwidthField);
costField = new JTextField(getComputerCost() + " $");
costField.setEditable(false);
costField.setEnabled(false);
add(costField);
}
private void createBarsUI() {
numberOfProcessesLabel = new JLabel(" 0 processes");
numberOfProcessesLabel.setEnabled(false);
numberOfProcessesLabel.setBorder(BorderFactory.createEmptyBorder(0, 37, 0, 0));
add(numberOfProcessesLabel);
cpuPowerBar = new CloudBar(getComputerCpuPower(), cloudBalancingPanel.getMaximumComputerCpuPower());
cpuPowerBar.setEnabled(false);
add(cpuPowerBar);
memoryBar = new CloudBar(getComputerMemory(), cloudBalancingPanel.getMaximumComputerMemory());
memoryBar.setEnabled(false);
add(memoryBar);
networkBandwidthBar = new CloudBar(getComputerNetworkBandwidth(), cloudBalancingPanel.getMaximumComputerNetworkBandwidth());
networkBandwidthBar.setEnabled(false);
add(networkBandwidthBar);
detailsButton = new JButton(new AbstractAction("Details") {
public void actionPerformed(ActionEvent e) {
CloudProcessListDialog processListDialog = new CloudProcessListDialog();
processListDialog.setLocationRelativeTo(getRootPane());
processListDialog.setVisible(true);
}
});
detailsButton.setEnabled(false);
add(detailsButton);
}
public void addProcess(CloudProcess process) {
processList.add(process);
}
public void removeProcess(CloudProcess process) {
processList.remove(process);
}
public void clearProcess() {
processList.clear();
}
public void update() {
int usedCpuPower = 0;
cpuPowerBar.clearProcessValues();
int usedMemory = 0;
memoryBar.clearProcessValues();
int usedNetworkBandwidth = 0;
networkBandwidthBar.clearProcessValues();
int colorIndex = 0;
for (CloudProcess process : processList) {
usedCpuPower += process.getRequiredCpuPower();
cpuPowerBar.addProcessValue(process.getRequiredCpuPower());
usedMemory += process.getRequiredMemory();
memoryBar.addProcessValue(process.getRequiredMemory());
usedNetworkBandwidth += process.getRequiredNetworkBandwidth();
networkBandwidthBar.addProcessValue(process.getRequiredNetworkBandwidth());
colorIndex = (colorIndex + 1) % TangoColorFactory.SEQUENCE_1.length;
}
boolean used = processList.size() > 0;
updateTotals(usedCpuPower, usedMemory, usedNetworkBandwidth, used);
updateBars(used);
}
private void updateTotals(int usedCpuPower, int usedMemory, int usedNetworkBandwidth, boolean used) {
computerLabel.setEnabled(used);
cpuPowerField.setText(usedCpuPower + " GHz / " + getComputerCpuPower() + " GHz");
cpuPowerField.setForeground(usedCpuPower > getComputerCpuPower() ? TangoColorFactory.SCARLET_3 : Color.BLACK);
cpuPowerField.setEnabled(used);
memoryField.setText(usedMemory + " GB / " + getComputerMemory() + " GB");
memoryField.setForeground(usedMemory > getComputerMemory() ? TangoColorFactory.SCARLET_3 : Color.BLACK);
memoryField.setEnabled(used);
networkBandwidthField.setText(usedNetworkBandwidth + " GB / " + getComputerNetworkBandwidth() + " GB");
networkBandwidthField.setForeground(usedNetworkBandwidth > getComputerNetworkBandwidth()
? TangoColorFactory.SCARLET_3 : Color.BLACK);
networkBandwidthField.setEnabled(used);
costField.setEnabled(used);
}
private void updateBars(boolean used) {
numberOfProcessesLabel.setText(processList.size() + " processes");
numberOfProcessesLabel.setEnabled(used);
cpuPowerBar.setEnabled(used);
cpuPowerBar.repaint();
memoryBar.setEnabled(used);
memoryBar.repaint();
networkBandwidthBar.setEnabled(used);
networkBandwidthBar.repaint();
detailsButton.setEnabled(used);
}
private static class CloudBar extends JPanel {
private List processValues = new ArrayList();
private int computerValue;
private int maximumComputerValue;
public CloudBar(int computerValue, int maximumComputerValue) {
this.computerValue = computerValue;
this.maximumComputerValue = maximumComputerValue;
}
public void clearProcessValues() {
processValues.clear();
}
public void addProcessValue(int processValue) {
processValues.add(processValue);
}
@Override
protected void paintComponent(Graphics g) {
Dimension size = getSize();
g.setColor(getBackground());
g.fillRect(0, 0, size.width, size.height);
int maximumComputerWidth = size.width - 10;
if (maximumComputerWidth <= 10) {
g.setColor(TangoColorFactory.ALUMINIUM_6);
g.drawString("?", 2, 2);
return;
}
double pixelsPerValue = (double) maximumComputerWidth / (double) maximumComputerValue;
int computerWidth = (int) (pixelsPerValue * (double) computerValue);
if (this.computerValue > 0) {
g.setColor(isEnabled() ? Color.WHITE : getBackground());
g.fillRect(0, 0, computerWidth, size.height);
}
int offsetValue = 0;
int colorIndex = 0;
for (int processValue : processValues) {
int offset = (int) ((double) offsetValue * pixelsPerValue);
int processWidth = (int) ((double) processValue * pixelsPerValue) + 1;
processWidth = Math.max(processWidth, 1);
g.setColor(TangoColorFactory.SEQUENCE_1[colorIndex]);
g.fillRect(offset, 0, processWidth, size.height);
offsetValue += processValue;
colorIndex = (colorIndex + 1) % TangoColorFactory.SEQUENCE_1.length;
}
if (this.computerValue > 0) {
g.setColor(isEnabled() ? Color.BLACK : TangoColorFactory.ALUMINIUM_5);
g.drawRect(0, 0, computerWidth, size.height - 1);
}
}
}
private class CloudProcessListDialog extends JDialog {
public CloudProcessListDialog() {
setModal(true);
setTitle(getComputerLabel());
JPanel contentPanel = new JPanel();
GroupLayout layout = new GroupLayout(contentPanel);
contentPanel.setLayout(layout);
JPanel headerPanel = createHeaderPanel();
JPanel assignmentsPanel = createAssignmentsPanel();
layout.setHorizontalGroup(layout.createParallelGroup()
.addComponent(headerPanel).addComponent(assignmentsPanel));
layout.setVerticalGroup(layout.createSequentialGroup()
.addComponent(headerPanel, GroupLayout.PREFERRED_SIZE, GroupLayout.PREFERRED_SIZE,
GroupLayout.PREFERRED_SIZE)
.addComponent(assignmentsPanel, GroupLayout.PREFERRED_SIZE, GroupLayout.PREFERRED_SIZE,
GroupLayout.PREFERRED_SIZE));
JScrollPane contentScrollPane = new JScrollPane(contentPanel);
contentScrollPane.setPreferredSize(new Dimension(800, 200));
contentScrollPane.getVerticalScrollBar().setUnitIncrement(20);
setContentPane(contentScrollPane);
pack();
}
private JPanel createHeaderPanel() {
JPanel headerPanel = new JPanel(new GridLayout(0, 5));
headerPanel.add(new JLabel(""));
JLabel cpuPowerLabel = new JLabel("CPU power");
headerPanel.add(cpuPowerLabel);
JLabel memoryLabel = new JLabel("Memory");
headerPanel.add(memoryLabel);
JLabel networkBandwidthLabel = new JLabel("Network bandwidth");
headerPanel.add(networkBandwidthLabel);
headerPanel.add(new JLabel(""));
return headerPanel;
}
private JPanel createAssignmentsPanel() {
JPanel assignmentsPanel = new JPanel(new GridLayout(0, 5));
int colorIndex = 0;
for (CloudProcess process : processList) {
JLabel processLabel = new JLabel(process.getLabel());
processLabel.setForeground(TangoColorFactory.SEQUENCE_1[colorIndex]);
assignmentsPanel.add(processLabel);
JTextField cpuPowerField = new JTextField(process.getRequiredCpuPower() + " GHz");
cpuPowerField.setEditable(false);
assignmentsPanel.add(cpuPowerField);
JTextField memoryField = new JTextField(process.getRequiredMemory() + " GB");
memoryField.setEditable(false);
assignmentsPanel.add(memoryField);
JTextField networkBandwidthField = new JTextField(process.getRequiredNetworkBandwidth() + " GB");
networkBandwidthField.setEditable(false);
assignmentsPanel.add(networkBandwidthField);
assignmentsPanel.add(new JLabel(""));
colorIndex = (colorIndex + 1) % TangoColorFactory.SEQUENCE_1.length;
}
return assignmentsPanel;
}
}
}