PersistenceManager pm = pmf.getPersistenceManager();
String name_id = "project1";
String team_id = "dpc";
Project p1 = new Project(name_id, team_id);
Release r1 = new Release();
r1.setProject(p1);
r1.setVersion(1);
//make the project persistent
pm.makePersistent(p1);
//keep the id of the project
Object project1ID = pm.getObjectId(p1);
Assert.assertNotNull("null object identifier", project1ID);