java code for Key Generator UUID HEX

import java.io.Serializable;
import java.util.*;
import java.sql.*;
import org.hibernate.*;
import org.hibernate.cfg.*;
import org.hibernate.criterion.*;
import org.hibernate.event.*;
import org.hibernate.event.def.*;

public class Main {
public static void main(String[] args) throws Exception {
HibernateUtil.setup("create table account (id varchar not null,name varchar,accountnumber varchar,setup Date,balance double);");



Session session = HibernateUtil.currentSession();

BasicAccount account = new BasicAccount();

account.setName("Joe");
account.setAccountnumber("39084");
account.setSetupdate(new java.util.Date());
account.setBalance(4054.00);

session.save(account);
session.flush();

BasicAccount account2 = (BasicAccount)session.load
(BasicAccount.class, account.getId());

System.out.println(account.getId() + " : " + account.getSetupdate());
System.out.println(account2.getId() +
" : " + account2.getSetupdate());

session.close();


session.close();
HibernateUtil.checkData("select * from account");
}
}



/////////////////////////////////////////////////////////////////////////

"http://hibernate.sourceforge.net/hibernate-mapping-2.0.dtd">


















/////////////////////////////////////////////////////////////////////////

import java.util.*;

public class BasicAccount {
private String id;
private String name;
private String accountnumber;
private Date setupdate;
private double balance;

public BasicAccount() {
}

public void setId(String s) {
id = s;
}

public String getId() {
return id;
}

public void setName(String s) {
name = s;
}

public String getName() {
return name;
}

public void setAccountnumber(String s) {
accountnumber = s;
}

public String getAccountnumber() {
return accountnumber;
}

public void setSetupdate(Date d) {
setupdate = d;
}

public Date getSetupdate() {
return setupdate;
}

public void setBalance(double d) {
balance = d;
}

public double getBalance() {
return balance;
}

}



/////////////////////////////////////////////////////////////////////////
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.Statement;

import java.sql.ResultSet;
import java.sql.ResultSetMetaData;

import org.hibernate.HibernateException;
import org.hibernate.Session;
import org.hibernate.SessionFactory;
import org.hibernate.cfg.Configuration;

public class HibernateUtil {

public static final SessionFactory sessionFactory;

static {
try {
// Create the SessionFactory from hibernate.cfg.xml
sessionFactory = new Configuration().configure().buildSessionFactory();
} catch (Throwable ex) {
// Make sure you log the exception, as it might be swallowed
System.err.println("Initial SessionFactory creation failed." + ex);
throw new ExceptionInInitializerError(ex);
}
}

public static final ThreadLocal session = new ThreadLocal();

public static Session currentSession() throws HibernateException {
Session s = (Session) session.get();
// Open a new Session, if this thread has none yet
if (s == null) {
s = sessionFactory.openSession();
// Store it in the ThreadLocal variable
session.set(s);
}
return s;
}

public static void closeSession() throws HibernateException {
Session s = (Session) session.get();
if (s != null)
s.close();
session.set(null);
}

static Connection conn;
static Statement st;
public static void setup(String sql) {
try {
// Step 1: Load the JDBC driver.
Class.forName("org.hsqldb.jdbcDriver");
System.out.println("Driver Loaded.");
// Step 2: Establish the connection to the database.
String url = "jdbc:hsqldb:data/tutorial";

conn = DriverManager.getConnection(url, "sa", "");
System.out.println("Got Connection.");

st = conn.createStatement();
st.executeUpdate(sql);
} catch (Exception e) {
System.err.println("Got an exception! ");
e.printStackTrace();
System.exit(0);
}
}
public static void checkData(String sql) {
try {
HibernateUtil.outputResultSet(st
.executeQuery(sql));
// conn.close();
} catch (Exception e) {
e.printStackTrace();
}
}

public static void outputResultSet(ResultSet rs) throws Exception{
ResultSetMetaData metadata = rs.getMetaData();

int numcols = metadata.getColumnCount();
String[] labels = new String[numcols];
int[] colwidths = new int[numcols];
int[] colpos = new int[numcols];
int linewidth;

for (int i = 0; i < numcols; i++) {
labels[i] = metadata.getColumnLabel(i + 1); // get its label
System.out.print(labels[i]+" ");
}
System.out.println("------------------------");

while (rs.next()) {
for (int i = 0; i < numcols; i++) {
Object value = rs.getObject(i + 1);
System.out.print(value.toString().trim()+" ");
}
}
}
}



/////////////////////////////////////////////////////////////////////////

"-//Hibernate/Hibernate Configuration DTD//EN"
"http://hibernate.sourceforge.net/hibernate-configuration-3.0.dtd">



org.hsqldb.jdbcDriver
jdbc:hsqldb:data/tutorial
sa



1


org.hibernate.dialect.HSQLDialect


true