/**
* 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.nqueens.persistence;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
import javax.swing.JOptionPane;
import org.drools.planner.examples.common.app.LoggingMain;
import org.drools.planner.examples.common.persistence.SolutionDao;
import org.drools.planner.examples.common.persistence.XstreamSolutionDaoImpl;
import org.drools.planner.examples.nqueens.domain.NQueens;
import org.drools.planner.examples.nqueens.domain.Queen;
/**
* @author Geoffrey De Smet
*/
public class NQueensGenerator extends LoggingMain {
private static final File outputDir = new File("data/nqueens/unsolved/");
public static void main(String[] args) {
new NQueensGenerator().generate();
}
public void generate() {
String nString = JOptionPane.showInputDialog("For what n?");
int n = Integer.parseInt(nString.trim());
SolutionDao solutionDao = new NQueensDaoImpl();
String outputFileName = "unsolvedNQueens" + n + ".xml";
File outputFile = new File(outputDir, outputFileName);
NQueens nQueens = createNQueens(n);
solutionDao.writeSolution(nQueens, outputFile);
}
private NQueens createNQueens(int n) {
NQueens nQueens = new NQueens();
nQueens.setId(0L);
List<Queen> queenList = new ArrayList<Queen>(n);
for (int i = 0; i < n; i++) {
Queen queen = new Queen();
queen.setId((long) i);
queen.setX(i);
queen.setY(0);
queenList.add(queen);
}
nQueens.setQueenList(queenList);
return nQueens;
}
}