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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.

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package org.optaplanner.examples.nqueens.app;

import org.optaplanner.examples.common.app.CommonApp;
import org.optaplanner.examples.nqueens.domain.NQueens;
import org.optaplanner.examples.nqueens.persistence.NQueensXmlSolutionFileIO;
import org.optaplanner.examples.nqueens.swingui.NQueensPanel;
import org.optaplanner.persistence.common.api.domain.solution.SolutionFileIO;

/**
 * For an easy example, look at {@link NQueensHelloWorld} instead.
 */
public class NQueensApp extends CommonApp {

    public static final String SOLVER_CONFIG = "org/optaplanner/examples/nqueens/nqueensSolverConfig.xml";

    public static final String DATA_DIR_NAME = "nqueens";

    public static void main(String[] args) {
        prepareSwingEnvironment();
        new NQueensApp().init();
    }

    public NQueensApp() {
        super("N queens",
                "Place queens on a chessboard.\n\n" +
                        "No 2 queens must be able to attack each other.",
                SOLVER_CONFIG, DATA_DIR_NAME,
                NQueensPanel.LOGO_PATH);
    }

    @Override
    protected NQueensPanel createSolutionPanel() {
        return new NQueensPanel();
    }

    @Override
    public SolutionFileIO createSolutionFileIO() {
        return new NQueensXmlSolutionFileIO();
    }

}