org.optaplanner.examples.cheaptime.swingui.CheapTimePanel Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of optaplanner-examples Show documentation
Show all versions of optaplanner-examples Show documentation
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 2019 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.cheaptime.swingui;
import static java.util.Comparator.comparing;
import static java.util.Comparator.nullsFirst;
import static java.util.function.Function.identity;
import java.awt.BasicStroke;
import java.awt.BorderLayout;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import javax.swing.JCheckBox;
import javax.swing.SwingConstants;
import org.jfree.chart.ChartPanel;
import org.jfree.chart.JFreeChart;
import org.jfree.chart.axis.NumberAxis;
import org.jfree.chart.plot.CombinedRangeXYPlot;
import org.jfree.chart.plot.PlotOrientation;
import org.jfree.chart.plot.XYPlot;
import org.jfree.chart.renderer.xy.HighLowRenderer;
import org.jfree.chart.renderer.xy.StandardXYItemRenderer;
import org.jfree.chart.renderer.xy.XYItemRenderer;
import org.jfree.chart.util.ShapeUtils;
import org.jfree.data.time.FixedMillisecond;
import org.jfree.data.time.ohlc.OHLCSeries;
import org.jfree.data.time.ohlc.OHLCSeriesCollection;
import org.jfree.data.xy.XYSeries;
import org.jfree.data.xy.XYSeriesCollection;
import org.optaplanner.examples.cheaptime.domain.CheapTimeSolution;
import org.optaplanner.examples.cheaptime.domain.Machine;
import org.optaplanner.examples.cheaptime.domain.MachineCapacity;
import org.optaplanner.examples.cheaptime.domain.PeriodPowerPrice;
import org.optaplanner.examples.cheaptime.domain.Task;
import org.optaplanner.examples.cheaptime.domain.TaskAssignment;
import org.optaplanner.examples.cheaptime.domain.TaskRequirement;
import org.optaplanner.examples.common.swingui.SolutionPanel;
import org.optaplanner.swing.impl.TangoColorFactory;
public class CheapTimePanel extends SolutionPanel {
public static final String LOGO_PATH = "/org/optaplanner/examples/cheaptime/swingui/cheapTimeLogo.png";
private static final Comparator STABLE_COMPARATOR = comparing(
(TaskAssignment a) -> a.getTask().getStartPeriodRangeFrom())
.thenComparingInt(a -> a.getTask().getStartPeriodRangeTo())
.thenComparingInt(a -> a.getTask().getDuration())
.thenComparingLong(TaskAssignment::getId);
private static final Comparator GROUP_BY_MACHINE_COMPARATOR = comparing(TaskAssignment::getMachine,
nullsFirst(comparing(Machine::getId)))
.thenComparing(TaskAssignment::getStartPeriod, nullsFirst(comparing(identity())))
.thenComparingInt(a -> a.getTask().getDuration())
.thenComparingLong(TaskAssignment::getId);
private JCheckBox groupByMachineCheckBox;
public CheapTimePanel() {
setLayout(new BorderLayout());
groupByMachineCheckBox = new JCheckBox("Group by assigned machine", false);
groupByMachineCheckBox.setHorizontalAlignment(SwingConstants.RIGHT);
groupByMachineCheckBox.addActionListener(e -> {
updatePanel(getSolution());
validate();
});
}
@Override
public void resetPanel(CheapTimeSolution solution) {
removeAll();
add(groupByMachineCheckBox, BorderLayout.NORTH);
ChartPanel chartPanel = new ChartPanel(createChart(solution));
add(chartPanel, BorderLayout.CENTER);
}
private JFreeChart createChart(CheapTimeSolution solution) {
TangoColorFactory tangoColorFactory = new TangoColorFactory();
NumberAxis rangeAxis = new NumberAxis("Period");
rangeAxis.setRange(-0.5, solution.getGlobalPeriodRangeTo() + 0.5);
XYPlot taskAssignmentPlot = createTaskAssignmentPlot(tangoColorFactory, solution);
XYPlot periodCostPlot = createPeriodCostPlot(tangoColorFactory, solution);
XYPlot capacityPlot = createAvailableCapacityPlot(tangoColorFactory, solution);
CombinedRangeXYPlot combinedPlot = new CombinedRangeXYPlot(rangeAxis);
combinedPlot.add(taskAssignmentPlot, 5);
combinedPlot.add(periodCostPlot, 1);
combinedPlot.add(capacityPlot, 1);
combinedPlot.setOrientation(PlotOrientation.HORIZONTAL);
return new JFreeChart("Cheap Power Time Scheduling", JFreeChart.DEFAULT_TITLE_FONT,
combinedPlot, true);
}
private XYPlot createTaskAssignmentPlot(TangoColorFactory tangoColorFactory, CheapTimeSolution solution) {
OHLCSeriesCollection seriesCollection = new OHLCSeriesCollection();
Map machineSeriesMap = new LinkedHashMap<>(
solution.getMachineList().size());
HighLowRenderer renderer = new HighLowRenderer();
renderer.setTickLength(0.0);
int seriesIndex = 0;
OHLCSeries unassignedProjectSeries = new OHLCSeries("Unassigned");
seriesCollection.addSeries(unassignedProjectSeries);
machineSeriesMap.put(null, unassignedProjectSeries);
renderer.setSeriesStroke(seriesIndex, new BasicStroke(3.0f));
renderer.setSeriesPaint(seriesIndex, TangoColorFactory.SCARLET_1);
seriesIndex++;
for (Machine machine : solution.getMachineList()) {
OHLCSeries machineSeries = new OHLCSeries(machine.getLabel());
seriesCollection.addSeries(machineSeries);
machineSeriesMap.put(machine, machineSeries);
renderer.setSeriesStroke(seriesIndex, new BasicStroke(3.0f));
renderer.setSeriesPaint(seriesIndex, tangoColorFactory.pickColor(machine));
seriesIndex++;
}
List taskAssignmentList = new ArrayList<>(solution.getTaskAssignmentList());
Collections.sort(taskAssignmentList,
groupByMachineCheckBox.isSelected() ? GROUP_BY_MACHINE_COMPARATOR : STABLE_COMPARATOR);
int pixelIndex = 0;
for (TaskAssignment taskAssignment : taskAssignmentList) {
Task task = taskAssignment.getTask();
Integer startPeriod = taskAssignment.getStartPeriod();
Integer endPeriod = taskAssignment.getEndPeriod();
if (startPeriod == null) {
startPeriod = task.getStartPeriodRangeFrom();
endPeriod = startPeriod + task.getDuration();
}
OHLCSeries machineSeries = machineSeriesMap.get(taskAssignment.getMachine());
machineSeries.add(new FixedMillisecond(pixelIndex), task.getStartPeriodRangeFrom(),
startPeriod, endPeriod, task.getStartPeriodRangeTo() + task.getDuration());
pixelIndex++;
}
NumberAxis domainAxis = new NumberAxis("Task");
domainAxis.setStandardTickUnits(NumberAxis.createIntegerTickUnits());
domainAxis.setRange(-0.5, taskAssignmentList.size() - 0.5);
domainAxis.setInverted(true);
return new XYPlot(seriesCollection, domainAxis, null, renderer);
}
private XYPlot createPeriodCostPlot(TangoColorFactory tangoColorFactory, CheapTimeSolution solution) {
XYSeries series = new XYSeries("Power price");
for (PeriodPowerPrice periodPowerPrice : solution.getPeriodPowerPriceList()) {
series.add((double) periodPowerPrice.getPowerPriceMicros() / 1000000.0, periodPowerPrice.getPeriod());
}
XYSeriesCollection seriesCollection = new XYSeriesCollection();
seriesCollection.addSeries(series);
XYItemRenderer renderer = new StandardXYItemRenderer(StandardXYItemRenderer.SHAPES);
renderer.setSeriesPaint(0, TangoColorFactory.ORANGE_1);
renderer.setSeriesShape(0, ShapeUtils.createDiamond(2.0F));
NumberAxis domainAxis = new NumberAxis("Power price");
return new XYPlot(seriesCollection, domainAxis, null, renderer);
}
private XYPlot createAvailableCapacityPlot(TangoColorFactory tangoColorFactory, CheapTimeSolution solution) {
Map> availableMap = new LinkedHashMap<>(solution.getMachineCapacityList().size());
for (MachineCapacity machineCapacity : solution.getMachineCapacityList()) {
List machineAvailableList = new ArrayList<>(
solution.getGlobalPeriodRangeTo());
for (int period = 0; period < solution.getGlobalPeriodRangeTo(); period++) {
machineAvailableList.add(machineCapacity.getCapacity());
}
availableMap.put(machineCapacity, machineAvailableList);
}
for (TaskAssignment taskAssignment : solution.getTaskAssignmentList()) {
Machine machine = taskAssignment.getMachine();
Integer startPeriod = taskAssignment.getStartPeriod();
if (machine != null && startPeriod != null) {
Task task = taskAssignment.getTask();
List taskRequirementList = task.getTaskRequirementList();
for (int i = 0; i < taskRequirementList.size(); i++) {
TaskRequirement taskRequirement = taskRequirementList.get(i);
MachineCapacity machineCapacity = machine.getMachineCapacityList().get(i);
List machineAvailableList = availableMap.get(machineCapacity);
for (int j = 0; j < task.getDuration(); j++) {
int period = j + taskAssignment.getStartPeriod();
int available = machineAvailableList.get(period);
machineAvailableList.set(period, available - taskRequirement.getResourceUsage());
}
}
}
}
XYSeriesCollection seriesCollection = new XYSeriesCollection();
XYItemRenderer renderer = new StandardXYItemRenderer(StandardXYItemRenderer.SHAPES);
int seriesIndex = 0;
for (Machine machine : solution.getMachineList()) {
XYSeries machineSeries = new XYSeries(machine.getLabel());
for (MachineCapacity machineCapacity : machine.getMachineCapacityList()) {
List machineAvailableList = availableMap.get(machineCapacity);
for (int period = 0; period < solution.getGlobalPeriodRangeTo(); period++) {
int available = machineAvailableList.get(period);
machineSeries.add(available, period);
}
}
seriesCollection.addSeries(machineSeries);
renderer.setSeriesPaint(seriesIndex, tangoColorFactory.pickColor(machine));
renderer.setSeriesShape(seriesIndex, ShapeUtils.createDiamond(1.5F));
renderer.setSeriesVisibleInLegend(seriesIndex, false);
seriesIndex++;
}
NumberAxis domainAxis = new NumberAxis("Capacity");
return new XYPlot(seriesCollection, domainAxis, null, renderer);
}
}