Java/Database SQL JDBC/JDO

Create a DataStore, initially empty

/*
 * Copyright (c) Ian F. Darwin, http://www.darwinsys.ru/, 1996-2002.
 * All rights reserved. Software written by Ian F. Darwin and others.
 * $Id: LICENSE,v 1.8 2004/02/09 03:33:38 ian Exp $
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS""
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS
 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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 * 
 * Java, the Duke mascot, and all variants of Sun"s Java "steaming coffee
 * cup" logo are trademarks of Sun Microsystems. Sun"s, and James Gosling"s,
 * pioneering role in inventing and promulgating (and standardizing) the Java 
 * language and environment is gratefully acknowledged.
 * 
 * The pioneering role of Dennis Ritchie and Bjarne Stroustrup, of AT&T, for
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 */

//File: jdo.properties
/*
javax.jdo.PersistenceManagerFactoryClass=com.sun.jdori.fostore.FOStorePMF
# For the JDO RI, it doesn"t matter what name/passwd you use, but
# both MUST be specified as some value.
javax.jdo.option.ConnectionUserName=ian
javax.jdo.option.ConnectionPassword=anything
#javax.jdo.option.ConnectionURL=fostore:database/javasrc.io
# For an SQL connection, the following must also be set
javax.jdo.option.ConnectionURL=jdbc:postgresql:ecom
javax.jdo.option.ConnectionDriverName=org.postgresql.Driver

*/
import java.io.*;
import java.util.*;
import javax.jdo.*;
/** Create a DataStore, initially empty.
 * Typically only needed if using the JDO RI.
 */
public class JDOCreateDataStore {
  public static void main(String[] args) throws IOException {
      Properties p = new Properties();
      p.load(new FileInputStream("jdo.properties"));
      p.setProperty("com.sun.jdori.option.ConnectionCreate", "true");            
      PersistenceManagerFactory pmf =
          JDOHelper.getPersistenceManagerFactory(p);
      PersistenceManager pm = pmf.getPersistenceManager();
      Transaction tx = pm.currentTransaction();
      tx.begin();
      tx.rumit();
  }
}