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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.common.swingui;
import java.awt.Component;
import java.awt.Dimension;
import java.util.List;
import java.util.Set;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JScrollPane;
import javax.swing.JSplitPane;
import javax.swing.JTable;
import javax.swing.JTextArea;
import javax.swing.event.ListSelectionEvent;
import javax.swing.event.ListSelectionListener;
import javax.swing.table.AbstractTableModel;
import javax.swing.table.TableCellRenderer;
import org.optaplanner.core.api.score.constraint.ConstraintMatch;
import org.optaplanner.core.api.score.constraint.ConstraintMatchTotal;
import org.optaplanner.examples.common.business.SolutionBusiness;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class ConstraintMatchesDialog extends JDialog {
protected final transient Logger logger = LoggerFactory.getLogger(getClass());
protected SolverAndPersistenceFrame solverAndPersistenceFrame;
protected SolutionBusiness solutionBusiness;
public ConstraintMatchesDialog(SolverAndPersistenceFrame solverAndPersistenceFrame) {
super(solverAndPersistenceFrame, "Constraint scores", true);
this.solverAndPersistenceFrame = solverAndPersistenceFrame;
}
public void setSolutionBusiness(SolutionBusiness solutionBusiness) {
this.solutionBusiness = solutionBusiness;
}
public void resetContentPanel() {
if (!solutionBusiness.isConstraintMatchEnabled()) {
setContentPane(new JLabel("Constraint matches are not supported with this ScoreDirector."));
} else {
final List constraintMatchTotalList
= solutionBusiness.getConstraintMatchTotalList();
JSplitPane splitPane = new JSplitPane(JSplitPane.VERTICAL_SPLIT);
final JTable table = new JTable(new ConstraintMatchTotalTableModel(constraintMatchTotalList));
JScrollPane tableScrollPane = new JScrollPane(table);
tableScrollPane.setPreferredSize(new Dimension(700, 300));
splitPane.setTopComponent(tableScrollPane);
final JTextArea detailTextArea = new JTextArea(10, 80);
JScrollPane detailScrollPane = new JScrollPane(detailTextArea);
splitPane.setBottomComponent(detailScrollPane);
table.getSelectionModel().addListSelectionListener(
new ListSelectionListener() {
public void valueChanged(ListSelectionEvent event) {
int selectedRow = table.getSelectedRow();
if (selectedRow < 0) {
detailTextArea.setText("");
} else {
ConstraintMatchTotal constraintMatchTotal
= constraintMatchTotalList.get(selectedRow);
detailTextArea.setText(buildConstraintMatchSetText(constraintMatchTotal));
detailTextArea.setCaretPosition(0);
}
}
}
);
splitPane.setResizeWeight(1.0);
setContentPane(splitPane);
}
pack();
setLocationRelativeTo(getParent());
}
public String buildConstraintMatchSetText(ConstraintMatchTotal constraintMatchTotal) {
Set constraintMatchSet = constraintMatchTotal.getConstraintMatchSet();
StringBuilder text = new StringBuilder(constraintMatchSet.size() * 80);
for (ConstraintMatch constraintMatch : constraintMatchSet) {
text.append(constraintMatch.toString()).append("\n");
}
return text.toString();
}
public static class ConstraintMatchTotalTableModel extends AbstractTableModel {
private List constraintMatchTotalList;
public ConstraintMatchTotalTableModel(List constraintMatchTotalList) {
this.constraintMatchTotalList = constraintMatchTotalList;
}
public int getRowCount() {
return constraintMatchTotalList.size();
}
public int getColumnCount() {
return 5;
}
public String getColumnName(int columnIndex) {
switch (columnIndex) {
case 0:
return "Constraint package";
case 1:
return "Constraint name";
case 2:
return "score level";
case 3:
return "Match count";
case 4:
return "Weight total";
default:
throw new IllegalStateException("The columnIndex (" + columnIndex + ") is invalid.");
}
}
public Class getColumnClass(int columnIndex) {
switch (columnIndex) {
case 0:
return String.class;
case 1:
return String.class;
case 2:
return Integer.class;
case 3:
return Integer.class;
case 4:
return Number.class;
default:
throw new IllegalStateException("The columnIndex (" + columnIndex + ") is invalid.");
}
}
public Object getValueAt(int rowIndex, int columnIndex) {
ConstraintMatchTotal constraintMatchTotal = constraintMatchTotalList.get(rowIndex);
switch (columnIndex) {
case 0:
return constraintMatchTotal.getConstraintPackage();
case 1:
return constraintMatchTotal.getConstraintName();
case 2:
return constraintMatchTotal.getScoreLevel();
case 3:
return constraintMatchTotal.getConstraintMatchSet().size();
case 4:
return constraintMatchTotal.getWeightTotalAsNumber();
default:
throw new IllegalStateException("The columnIndex (" + columnIndex + ") is invalid.");
}
}
}
private static class ShowButtonTableRenderer implements TableCellRenderer {
public Component getTableCellRendererComponent(JTable table, Object value, boolean isSelected, boolean hasFocus,
int row, int column) {
return (JButton) value;
}
}
}