/// <summary>
/// Internal Class constructor.
/// </summary>
/// <param name="name"></param>
/// <param name="password"></param>
/// <param name="admin"></param>
/// <param name="pub"></param>
internal User(string name, string password, bool admin, User pub)
{
_right = new Hashtable();
_name = name;
Password = password;
_administrator = admin;
_public = pub;
}
/// <summary>
/// Access Class constructor.
/// Creates a new ArrayList to contain the User object instances, as well
/// as creating an initial PUBLIC user, with no password.
/// </summary>
public Access()
{
uUser = new ArrayList();
uPublic = CreateUser("PUBLIC", null, false);
}
/// <summary>
/// CreateUser method declaration.
/// This method is used to create a new user. The collection of users
/// is first checked for a duplicate name, and an exception will be thrown
/// if a user of the same name already exists.
/// </summary>
/// <param name="name">User login</param>
/// <param name="password">Plaintext password</param>
/// <param name="admin">Is this a database admin user?</param>
/// <returns>An instance of the newly created User object</returns>
public User CreateUser(string name, string password, bool admin)
{
for (int i = 0; i < uUser.Count; i++)
{
User u = (User)uUser[i];
if (u != null && u.Name.Equals(name))
{
throw TracingHelper.Error(TracingHelper.USER_ALREADY_EXISTS, name);
}
}
User unew = new User(name, password, admin, uPublic);
uUser.Add(unew);
return unew;
}
/// <summary>
/// Builds a channel based on an existing one.
/// </summary>
/// <param name="channel"></param>
/// <param name="id"></param>
public Channel(Channel channel, int id)
: this()
{
_id = id;
_database = channel._database;
_user = channel._user;
_autoCommit = true;
_readOnly = channel._readOnly;
}
/// <summary>
/// Sets the current user for the channel.
/// </summary>
/// <param name="user"></param>
internal void SetUser(User user)
{
TracingHelper.Check(!_closed, TracingHelper.CONNECTION_IS_CLOSED);
_user = user;
}
/// <summary>
/// Disconnects the current channel from database.
/// </summary>
public void Disconnect()
{
if (_closed)
{
return;
}
Rollback();
_user = null;
_database = null;
_transaction = null;
_closed = true;
}
/// <summary>
/// Builds a new channel.
/// </summary>
/// <param name="db"></param>
/// <param name="user"></param>
/// <param name="autoCommit"></param>
/// <param name="readOnly"></param>
/// <param name="id"></param>
public Channel(Database db, User user, bool autoCommit, bool readOnly, int id)
: this()
{
_id = id;
_database = db;
_user = user;
_autoCommit = autoCommit;
_readOnly = readOnly;
}