EPSIAE » eneraptor

import java.sql.*;

public class EneraptorSim {

        public static void main(String[] args) throws Exception {

                Class.forName("org.postgresql.Driver");

                Connection conn = DriverManager.getConnection("jdbc:postgresql://localhost/eneraptor", "eneraptor-hci", "eneraptor-hci");

                // CONFIGURE

                double val = 24;

                String deviceId = "thermometer";

                while(true) {

                        java.util.Date now = new java.util.Date();

                        double a = Math.random();

                        if(a < 0.05)

                                val += 0.1;

                        else if(a > 0.95)

                                val -= 0.1;

                        Statement st = conn.createStatement();

                        String stm = "INSERT INTO logged_data(id, \"version\", date_recieved, device_id, reported_data) VALUES (nextval('hibernate_sequence'), 0, '" + now + "', '" + deviceId + "', '" + val + "');";

                        st.execute(stm);

                        System.out.println("Inserted " + val);

                        st.close();

                        try {

                                Thread.currentThread().sleep(1000);

                        }

                        catch (InterruptedException e) {

                                e.printStackTrace();

                        }

                }

        }

}