// Method to get rooms from DB and add into the list
public void initializeDirectoryOfRoom()
{
foreach (KeyValuePair <int, Room> room in getAllRooms())
{
DirectoryOfRooms.getInstance().roomList.Add(room.Value);
}
}
/**
* Retrieve all rooms
*/
public Dictionary <int, Room> getAllRooms()
{
// Get all rooms from the identity map
Dictionary <int, Room> rooms = roomIdentityMap.findAll();
// Get all rooms in the database
Dictionary <int, Object[]> result = tdgRoom.getAll();
// If it's empty, simply return those from the identity map
if (result == null)
{
return(rooms);
}
// Loop through each of the result:
foreach (KeyValuePair <int, Object[]> record in result)
{
// The room is not in the identity map. Create an instance, add it to identity map and to the return variable
if (!rooms.ContainsKey(record.Key))
{
Room room = DirectoryOfRooms.getInstance().makeNewRoom((int)record.Key, (String)record.Value[1]);
roomIdentityMap.addTo(room);
rooms.Add(room.roomID, room);
}
}
return(rooms);
}
/**
* Handles the creation of a new room
*/
public Room makeNew(String roomNum)
{
int nextID = getNextID();
Room room = DirectoryOfRooms.getInstance().makeNewRoom(nextID, roomNum);
// Add it to the identity map
roomIdentityMap.addTo(room);
// Register as a new room
UnitOfWork.getInstance().registerNew(room);
return(room);
}
/**
* Initialize the list of rooms, used for instantiating console
* */
public void initializeDirectory()
{
// Get all rooms in the database
Dictionary <int, Object[]> result = tdgRoom.getAll();
//Loop through each of the result:
foreach (KeyValuePair <int, Object[]> record in result)
{
Room room = DirectoryOfRooms.getInstance().makeNewRoom((int)record.Key, (String)record.Value[1]);
roomIdentityMap.addTo(room);
}
}
// I commented it out because this is not used right now.
//The list of reservation is updated upon calling updateDirectories()
//
///**
// * Set room attributes, mainly to update list of reservations
// */
//public void setRoom(int roomID, String roomNum, List<Reservation> reservations)
//{
// Room room = DirectoryOfRooms.getInstance().modifyRoom(roomID, roomNum, reservations);
// // Register it to the unit of work
// UnitOfWork.getInstance().registerDirty(room);
//}
/**
* Delete room
*/
public void delete(int roomID)
{
// Get the room to be deleted
Room room = roomIdentityMap.find(roomID);
// If found, remove it from identity map
if (room != null)
{
roomIdentityMap.removeFrom(room);
}
// Register as deleted
UnitOfWork.getInstance().registerDeleted(room);
DirectoryOfRooms.getInstance().deleteRoom(roomID);
}
/**
* Retrieve a room given its ID
*/
public Room getRoom(int roomID)
{
// Try to obtain the room from the identity map
Room room = roomIdentityMap.find(roomID);
Object[] result = null;
if (room == null)
{
// Not found in identity map: try to retrive from DB
result = tdgRoom.get(roomID);
if (result != null)
{
room = DirectoryOfRooms.getInstance().makeNewRoom((int)result[0], (String)result[1]);
roomIdentityMap.addTo(room);
}
}
// Null is returned if it is not found in the identity map nor in the DB
return(room);
}
public List <Room> getListOfRooms()
{
return(DirectoryOfRooms.getInstance().roomList);
}