/// <summary>
/// Simulates the cooking of a sandwich returning the sandwich as an object
/// </summary>
/// <param name="commands">Ordered array of commands passed to the machine to cook a sandwich</param>
/// <returns>The resulting sandwich</returns>
public Sandwich Cook(MachineCommand[] commands)
{
semaphore.Wait();
Sandwich result = ProcessCommands(commands);
semaphore.Release();
return(result);
}
/// <summary>
/// Adds salsa to the sandwich being cooked
/// </summary>
/// <param name="sandwich">Sandwich being cooked</param>
/// <returns>The sandwich after adding the salsa</returns>
public override Sandwich ApplyCommand(Sandwich sandwich)
{
IList <string> contents;
contents = (sandwich.Contents == null) ? (new List <string>()) : (sandwich.Contents.ToList());
if (contents.Count > 0 && contents.Last() == "salsa")
{
throw new InvalidOperationException("Cannot add salsa over salsa");
}
contents.Add("salsa");
sandwich.Contents = contents.ToArray();
return(sandwich);
}
private Sandwich ProcessCommands(MachineCommand[] commands)
{
DateTime timeStart = DateTime.Now;
Sandwich result = new Sandwich();
foreach (MachineCommand command in commands)
{
result = command.ApplyCommand(result);
}
//Sleep for the remaining time to complete the cooking
Thread.Sleep(_TimeToPrepareInMilliseconds - ((DateTime.Now - timeStart).Milliseconds));
return(result);
}
/// <summary>
/// Adds ingredient to the sandwich being cooked
/// </summary>
/// <param name="sandwich">Sandwich being cooked</param>
/// <returns>The sandwich after adding the ingredient</returns>
public override Sandwich ApplyCommand(Sandwich sandwich)
{
IList <string> contents;
contents = (sandwich.Contents == null) ? (new List <string>()) : (sandwich.Contents.ToList());
if (MachineStackIndex < 1 && MachineStackIndex > 3)
{
throw new InvalidOperationException("Invalid stack index");
}
contents.Add(Name);
sandwich.Contents = contents.ToArray();
return(sandwich);
}
/// <summary>
/// Adds bread to the sandwich being cooked
/// </summary>
/// <param name="sandwich">Sandwich being cooked</param>
/// <returns>The sandwich after adding the bread</returns>
public override Sandwich ApplyCommand(Sandwich sandwich)
{
IList <string> contents;
contents = (sandwich.Contents == null) ? (new List <string>()) : (sandwich.Contents.ToList());
if (contents.Count(x => x == "bread") > 1)
{
throw new InvalidOperationException("Cannot add more than 2 breads");
}
if (contents.Count > 0 && contents.Last() == "bread")
{
throw new InvalidOperationException("Cannot add bread over bread");
}
contents.Add("bread");
sandwich.Contents = contents.ToArray();
return(sandwich);
}
/// <summary>
/// Simulates the cooking of a sandwich returning the sandwich as an object
/// </summary>
/// <param name="commands">Ordered array of commands passed to the machine to cook a sandwich</param>
/// <returns>The resulting sandwich</returns>
public Sandwich Cook(MachineCommand[] commands)
{
lock (locker)
{
if (sandwichsBeingCooked == _MaxSandiwchsAtTheSameTime)
{
throw new Exception();
}
else
{
sandwichsBeingCooked++;
}
}
Sandwich result = ProcessCommands(commands);
lock (locker)
{
sandwichsBeingCooked--;
}
return(result);
}
/// <summary> /// Apply a command to the sandwich being cooked /// </summary> /// <param name="sandwich">Sandwich being cooked</param> /// <returns>The sandwich after applying the command</returns> public abstract Sandwich ApplyCommand(Sandwich sandwich);
/// <summary>
/// Compress the sandwich being cooked
/// </summary>
/// <param name="sandwich">Sandwich being cooked</param>
/// <returns>The sandwich after compression</returns>
public override Sandwich ApplyCommand(Sandwich sandwich)
{
sandwich.Compressed = true;
return(sandwich);
}
/// <summary>
/// Cut the sandwich being cooked
/// </summary>
/// <param name="sandwich">Sandwich being cooked</param>
/// <returns>The sandwich after the cut</returns>
public override Sandwich ApplyCommand(Sandwich sandwich)
{
sandwich.Cut = Cut;
return(sandwich);
}