import java.sql.ResultSet;
import java.sql.SQLException;

import mirco.db.*;

public class Example {
    public static void main(String[] args) throws SQLException, InterruptedException {
        ConnectionsPool pool = new ConnectionsPool(new PoolSettings("jdbc:mysql://server/db"));

        Database db = null;
        try {
            db = pool.take();

            ResultSet res = null;
            try {
                res = db.query("select name from table users where age >= ?", 21);

                while (res.next()) {
                    System.out.println(res.getString("name"));
                }
            } finally {
                db.cleanup(res);
            }
        } finally {
            pool.release(db);
        }

        pool.disconnect();
    }
}