// load configuration from environment
persistenceManagerType = getSystemProperty(PERSISTENCE_MANAGER_TYPE_PROPERTY_NAME, PERSISTENCE_MANAGER_TYPE_JPA);
// Configure system properties specific to the persistence implementation
IModule module = getModule();
module.configure();
if (initDB) {
System.setProperty(PersistenceManagerFactory.PERSISTENCE_MANAGER_INITIALIZE_STORE_PROPERTY_NAME, "true");
}