private static User GetExistingUser(UserKey userKey)
{
User existedUser = null;
userCollection.TryGetValue(userKey, out existedUser);
return(existedUser);
}
private static UserDAO GetExistingUserDAO(UserKey userKey)
{
UserDAO existedUserDAO = null;
userDaoCollection.TryGetValue(userKey, out existedUserDAO);
return(existedUserDAO);
}
private static User UserDaoToUserWithCheckingExistence(UserDAO userDAO)
{
UserKey userKey = userDAO.GetUserKey();
User user = GetExistingUser(userKey);
if (user == null)
{
user = UserDaoToUser(userDAO);
userCollection.Add(userKey, user);
}
return(user);
}
private static UserDAO UserToUserDAO(User user)
{
UserKey userKey = user.GetUserKey();
UserDAO userDAO = GetExistingUserDAO(userKey);
if (userDAO == null)
{
userDAO = new UserDAO(user.UserID, user.UserLogin);
userDaoCollection.Add(userKey, userDAO);
}
return(userDAO);
}
