public static void main(String[] args)
	{
		System.out.println( "java.vm.version=" + System.getProperty("java.vm.version"));
		com.informix.jdbc.Version.main(new String[]{});
		
		// -------------
		
		// entitymanagerfactory
		Map<String, Object> lOptions = new HashMap<String, Object>();
		lOptions.put(PersistenceUnitProperties.JDBC_DRIVER, ...); 
		lOptions.put(PersistenceUnitProperties.JDBC_URL, ...);
		lOptions.put(PersistenceUnitProperties.JDBC_USER, "user"); 
		lOptions.put(PersistenceUnitProperties.JDBC_PASSWORD, "user"); 
		lOptions.put(PersistenceUnitProperties.TARGET_DATABASE, nl.reinders.jdbc.InformixPlatform.class.getName()); 
		lOptions.put(PersistenceUnitProperties.TARGET_SERVER, TargetServer.None);
		EntityManagerFactory lEntityManagerFactory = Persistence.createEntityManagerFactory("reinders", lOptions);
		
		// entitymanager
		EntityManager lEntityManager = lEntityManagerFactory.createEntityManager();
		
		// test
		lEntityManager.createQuery("select t from Relation t where t.iRelationnr=1").getSingleResult(); // expect: not cached
		lEntityManager.createQuery("select t from Relation t where t.iRelationnr=1").getSingleResult(); // expect: cached
		lEntityManager.clear();
		lEntityManager.createQuery("select t from Relation t where t.iRelationnr=1").getSingleResult(); // expect: not cached
				
		// close shop
		lEntityManager.close();		
		lEntityManagerFactory.close();
	}