* @param userName Username for the datastore
* @param password Password for the datastore
*/
public AbstractPersistenceManager(AbstractPersistenceManagerFactory apmf, String userName, String password)
{
objectMgr = new ObjectManagerImpl(apmf, this, userName, password);
this.apmf = apmf;
userObject = null;
userObjectMap = null;
fetchPlan = new JDOFetchPlan(objectMgr.getFetchPlan());
}