Java/Database SQL JDBC/JDO

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Create a DataStore, initially empty

   <source lang="java">

/*

* 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 $
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//File: jdo.properties /* javax.jdo.PersistenceManagerFactoryClass=com.sun.jdori.fostore.FOStorePMF

  1. For the JDO RI, it doesn"t matter what name/passwd you use, but
  2. both MUST be specified as some value.

javax.jdo.option.ConnectionUserName=ian javax.jdo.option.ConnectionPassword=anything

  1. javax.jdo.option.ConnectionURL=fostore:database/javasrc.io
  2. 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();
 }

}


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