public void addOccupants(MucRoom room, Set<MucOccupant> occupants) {
Preconditions.checkArgument(room.getId() != null);
for (MucOccupant occupant : occupants) {
occupant.setRoom(room);
occupant.setId(null);
occupant.setReadSeq(room.getMaxSeq());
}
oDao.save(occupants);
}
public Long incrMaxSeq(MucRoom room) {
Lock lock = roomLockSet.getLock(room.getId());
try {
lock.lock();
room.setMaxSeq(room.getMaxSeq() + 1);
upadte(room);
return room.getMaxSeq();
} finally {
lock.unlock();
}
}
public boolean changeOwner(MucRoom room, long ownerId) {
if (room.getOwner().equals(ownerId)) {
return false;
}
MucOccupant o = oDao.findByRoomIdAndUserId(room.getId(), ownerId);
if (o == null) {
return false;
}
o.setRole(Role.Moderator);
oDao.save(o);
MucOccupant o2 = oDao.findByRoomIdAndUserId(room.getId(), room.getOwner());
if (o2 != null) {
o2.setRole(Role.Participant);
oDao.save(o2);
}
room.setOwner(ownerId);
rDao.save(room);
return true;
}
public void upadte(MucRoom room) {
Preconditions.checkArgument(room.getId() != null);
rDao.save(room);
}
public MucRoom add(MucRoom room, Set<MucOccupant> occupants) {
Preconditions.checkArgument(room.getId() == null);
rDao.save(room);
addOccupants(room, occupants);
return room;
}