/**
* Constructor declaration
*
*
* @param c
* @param id
*/
public Channel(Channel c, int id)
{
iId = id;
dDatabase = c.dDatabase;
uUser = c.uUser;
tTransaction = new ArrayList();
bAutoCommit = true;
bReadOnly = c.bReadOnly;
}
/**
* Constructor declaration
*
*
* @param name
* @param password
* @param admin
* @param pub
*/
public User(string name, string password, bool admin, User pub)
{
hRight = new Hashtable();
sName = name;
setPassword(password);
bAdministrator = admin;
uPublic = pub;
}
/**
* Constructor declaration
*
*
* @param db
* @param user
* @param autocommit
* @param readonly
* @param id
*/
public Channel(Database db, User user, bool autocommit, bool ReadOnly,
int id)
{
iId = id;
dDatabase = db;
uUser = user;
tTransaction = new ArrayList();
bAutoCommit = autocommit;
bReadOnly = ReadOnly;
}
/**
* Method declaration
*
*
* @param user
*/
public void setUser(User user)
{
uUser = user;
}
/**
* Method declaration
*
*
* @throws Exception
*/
public void disconnect()
{
if (bClosed)
{
return;
}
rollback();
dDatabase = null;
uUser = null;
tTransaction = null;
bClosed = true;
}
/**
* Access Class constructor
* <P>Creates a new ArrayList to contain the User object instances, as well
* as creating an initial PUBLIC user, with no password.
*
* @throws Exception
*/
public Access()
{
uUser = new ArrayList();
uPublic = createUser("PUBLIC", null, false);
}
/**
* createUser method declaration
* <P>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.
*
* @param name (User login)
* @param password (Plaintext password)
* @param admin (Is this a database admin user?)
*
* @return An instance of the newly created User object
*/
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.getName().Equals(name))
{
throw Trace.error(Trace.USER_ALREADY_EXISTS, name);
}
}
User unew = new User(name, password, admin, uPublic);
uUser.Add(unew);
return unew;
}
