code: static JDOClass getJDOClass(Class c)
  	{
  		JDOClass rc = null;
  		try
  		{
  			JavaModelFactory javaModelFactory = RuntimeJavaModelFactory.getInstance();
  			JavaModel javaModel = javaModelFactory.getJavaModel(c.getClassLoader());
  			JDOModel m = JDOModelFactoryImpl.getInstance().getJDOModel(javaModel);
  			rc = m.getJDOClass(c.getName());
  		}
  		catch (RuntimeException ex)
  		{
  			throw new JDOFatalInternalException("Not a JDO class: " + c.getName()); 
  		}
  		return rc;
  	}
docs: this method looks up the appropriate JDOClass for a given persistent Class.
  It uses the JDOModel to perfom this lookup.
  @param c the persistent Class
  @return the JDOCLass object