public void Dispose()
{
using (Lock.Enter())
{
StopWatch?.Stop();
PerfCounter?.Dispose();
Queue?.Clear();
Unique?.Clear();
StopWatch = null;
PerfCounter = null;
Queue = null;
Unique = null;
}
}
public bool?TryClear()
{
using (EntryBlockUC entry = Lock.TryEnter())
{
if (entry.EntryTypeUC == EntryTypeUC.None)
{
return(null);
}
if (Queue == null)
{
return(false); //disposed
}
if (StopWatch?.IsRunning == true)
{
return(false);
}
Queue.Clear();
Unique.Clear();
ReadCounter = 0;
return(true);
}
}
static bool OnSmallCaveTwice(Cave cave, IEnumerable <Cave> path)
{
if (!cave.IsSmall)
{
return(false);
}
Unique.Clear();
var caveTwice = false;
var containsAddition = false;
foreach (var prev in path.Skip(1).Where(t => t.IsSmall))
{
if (prev == cave)
{
if (caveTwice || containsAddition)
{
return(true);
}
else
{
containsAddition = true;
}
}
else if (!Unique.Add(prev))
{
if (caveTwice || containsAddition)
{
return(true);
}
else
{
caveTwice = true;
}
}
}
return(false);
}