public void deleteEvent(Event event) {
List<User> list = getUsers();
Collection<Activity> activities = event.getActivities();
Set<Activity> tmpActivities = new HashSet<Activity>();
for (Activity activityEntity : activities) {
tmpActivities.add(activityEntity);
}
for (User user : list) {
boolean userUpdated = false;
if (user.getEvents().contains(event)) {
for (Activity activity : tmpActivities) {
user.getActivities().remove(activity);
event.getActivities().remove(activity);
}
user.getEvents().remove(event);
userUpdated = true;
}
if (userUpdated) {
updateObject(user);
}
}
deleteObject(event);
// for (Activity activity : tmpActivities) {
// deleteObject(activity);
// }
}
public List<Activity> getActivities(Event parent) {
List<Activity> result = new ArrayList<Activity>();
Session session = SessionFactoryUtil.getInstance().getCurrentSession();
try {
Transaction transaction = session.beginTransaction();
Object event =
session
.createQuery("from Event as event where event.idevent= " + parent.getIdevent())
.uniqueResult();
transaction.commit();
if (event != null) {
Event eventEntity = (Event) event;
Collection<Activity> activityList = eventEntity.getActivities();
for (Activity activity : activityList) {
result.add(activity);
}
}
} finally {
if (session.isOpen()) {
session.flush();
session.disconnect();
session.close();
}
}
return result;
}