Connection Pool Tutorial ConnectionBukkitRunnable

public class ConnectionBukkitRunnable extends BukkitRunnable {
    private final DataSource dataSource;
    private final Callback<Connection, SQLException> callback;

    public ConnectionBukkitRunnable(DataSource dataSource, @Nullable Callback<Connection, SQLException> callback) {
        if (dataSource == null) {
            //TODO: IllegalArgumentException
        }

        if (callback == null) {
            //TODO: IllegalArgumentException
        }

        this.dataSource = dataSource;
        this.callback = callback;
    }

    @Override
    public void run() {
        Connection connection = null;

        try {
            connection = dataSource.getConnection();
            connection.setAutoCommit(false);
            callback.call(connection, null);
        } catch (SQLException e) {
            callback.call(null, e);
        } finally {
            if (connection != null) {
                try {
                    connection.setAutoCommit(true);
                } catch (SQLException e) {
                    e.printStackTrace();
                }

                try {
                    connection.close();
                } catch (SQLException e) {
                    e.printStackTrace();
                }
            }
        }
    }
}