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Drools Planner optimizes automated planning by combining metaheuristic search algorithms with rule
engine powered score calculation. This is the drools-planner-examples module which contains examples on how to use
Drools Planner.
/*
* 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.drools.planner.examples.common.swingui;
import java.awt.Component;
import java.awt.Dimension;
import java.util.List;
import javax.swing.JButton;
import javax.swing.JDialog;
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.drools.planner.examples.common.business.ScoreDetail;
import org.drools.planner.examples.common.business.SolutionBusiness;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class ConstraintScoreMapDialog extends JDialog {
protected final transient Logger logger = LoggerFactory.getLogger(getClass());
protected SolverAndPersistenceFrame solverAndPersistenceFrame;
protected SolutionBusiness solutionBusiness;
public ConstraintScoreMapDialog(SolverAndPersistenceFrame solverAndPersistenceFrame) {
super(solverAndPersistenceFrame, "Constraint scores", true);
this.solverAndPersistenceFrame = solverAndPersistenceFrame;
}
public void setSolutionBusiness(SolutionBusiness solutionBusiness) {
this.solutionBusiness = solutionBusiness;
}
public void resetContentPanel() {
final List scoreDetailList = solutionBusiness.getScoreDetailList();
JSplitPane splitPane = new JSplitPane(JSplitPane.VERTICAL_SPLIT);
final JTable table = new JTable(new ScoreDetailTableModel(scoreDetailList));
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 {
ScoreDetail scoreDetail = scoreDetailList.get(selectedRow);
detailTextArea.setText(scoreDetail.buildConstraintOccurrenceListText());
}
}
}
);
splitPane.setResizeWeight(1.0);
setContentPane(splitPane);
pack();
setLocationRelativeTo(getParent());
}
public static class ScoreDetailTableModel extends AbstractTableModel {
private List scoreDetailList;
public ScoreDetailTableModel(List scoreDetailList) {
this.scoreDetailList = scoreDetailList;
}
public int getRowCount() {
return scoreDetailList.size();
}
public int getColumnCount() {
return 4;
}
public String getColumnName(int columnIndex) {
switch (columnIndex) {
case 0:
return "Rule id";
case 1:
return "Constraint type";
case 2:
return "# occurrences";
case 3:
return "Score 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 Enum.class;
case 2:
return Integer.class;
case 3:
return Double.class;
default:
throw new IllegalStateException("The columnIndex (" + columnIndex + ") is invalid.");
}
}
public Object getValueAt(int rowIndex, int columnIndex) {
ScoreDetail scoreDetail = scoreDetailList.get(rowIndex);
switch (columnIndex) {
case 0:
return scoreDetail.getRuleId();
case 1:
return scoreDetail.getConstraintType();
case 2:
return scoreDetail.getOccurrenceSize();
case 3:
return scoreDetail.getScoreTotal();
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;
}
}
}