/// <summary>
/// Get the neighbours of a specific state in the maze.
/// </summary>
/// <exception cref="Exception">
/// There could be an exception if we check for a position which is invalid.
/// </exception>
/// <param name="s">
/// The maze that we will return it's neighbours.
/// </param>
/// <returns>
/// A list of states as neighbours.
/// </returns>
public List <State <Position> > GetAllPossibleStates(State <Position> s)
{
List <State <Position> > neighbors = new List <State <Position> >();
int i = s.GetState().Row, j = s.GetState().Col;
/**
* Position[] locations = new Position[] {
* new Position(i - 1, j),
* new Position(i, j - 1),
* new Position(i, j + 1),
* new Position(i + 1, j)
* };
* foreach (Position loc in locations)
* {
* try
* {
* if (maze[loc.Row, loc.Col] == CellType.Free)
* {
* //neighbors.Add(d.ContainsKey(loc) ? (d[loc]) : (d[loc] = new State<Position>(loc, 1)));
* //neighbors.Add(new State<Position>(loc, 1));
* neighbors.Add(State<Position>.GetState(loc));
* }
* }
* catch (IndexOutOfRangeException)
* {
* }
* }
*/
// The neighbor on the left
try
{
if (maze[i, j - 1] == CellType.Free)
{
//neighbors.Add(d.ContainsKey(loc) ? (d[loc]) : (d[loc] = new State<Position>(loc, 1)));
//neighbors.Add(new State<Position>(loc, 1));
neighbors.Add(statePool.GetState(new Position(i, j - 1), 1));
}
}
catch (IndexOutOfRangeException)
{
}
// The neighbor on the right
try
{
if (maze[i, j + 1] == CellType.Free)
{
//neighbors.Add(d.ContainsKey(loc) ? (d[loc]) : (d[loc] = new State<Position>(loc, 1)));
//neighbors.Add(new State<Position>(loc, 1));
neighbors.Add(statePool.GetState(new Position(i, j + 1), 1));
}
}
catch (IndexOutOfRangeException)
{
}
// The neighbor above
try
{
if (maze[i - 1, j] == CellType.Free)
{
//neighbors.Add(d.ContainsKey(loc) ? (d[loc]) : (d[loc] = new State<Position>(loc, 1)));
//neighbors.Add(new State<Position>(loc, 1));
neighbors.Add(statePool.GetState(new Position(i - 1, j), 1));
}
}
catch (IndexOutOfRangeException)
{
}
// The neighbor below
try
{
if (maze[i + 1, j] == CellType.Free)
{
//neighbors.Add(d.ContainsKey(loc) ? (d[loc]) : (d[loc] = new State<Position>(loc, 1)));
//neighbors.Add(new State<Position>(loc, 1));
neighbors.Add(statePool.GetState(new Position(i + 1, j), 1));
}
}
catch (IndexOutOfRangeException)
{
}
return(neighbors);
}
public static LoanApplicationState GetState(int value)
{
var type = _values.FirstOrDefault(a => a.Value == value);
return(StatePool.GetState(type.Key));
}
public override LoanApplicationState Cancel()
{
return(StatePool.GetState <CancelledState>());
}
public override LoanApplicationState Confirm()
{
return(StatePool.GetState <ConfirmedState>());
}
public override LoanApplicationState Reject()
{
return(StatePool.GetState <RejectedState>());
}