if (!isPersonExistInGroup(groupInPersistence, personUser)) {
system.execute(new AddUserToGroup(groupInPersistence.getNameGroup(), personUser));
}
} else {
if (isPersonExistInGroup(groupInPersistence, personUser)) {
system.execute(new RemoveUserToGroup(groupInPersistence.getNameGroup(), personUser));
}
}
}
} catch (TransactionDateException e) {
MessageBox box = new MessageBox(parent.getShell(), IMessageProvider.INFORMATION);