public void RemoveSlot(IHashSlot slot)
{
var slotNumber = slot.ToInt();
var containingRanges = _ranges.Where(kvp => slotNumber >= kvp.Key && slotNumber <= kvp.Value).ToList();
foreach (var containingRange in containingRanges)
{
_ranges.Remove(containingRange.Key);
if (containingRange.Key == containingRange.Value)
continue;
if (containingRange.Key == slotNumber)
{
_ranges[slotNumber + 1] = containingRange.Value;
}
else if (containingRange.Value == slotNumber)
{
_ranges[containingRange.Key] = slotNumber - 1;
}
else
{
_ranges[containingRange.Key] = slotNumber - 1;
_ranges[slotNumber + 1] = containingRange.Value;
}
}
}
public void Add(IHashSlot slot)
{
var slotNumber = slot.ToInt();
if (_ranges.Count(kvp => slotNumber >= kvp.Key && slotNumber <= kvp.Value) == 0)
_ranges[slotNumber] = slotNumber;
}
public static Exception RetriedMovedKeyUntilLimitReached(IHashSlot slot, int movedKeyRetriesLeft)
{
return new Exception("Could not find key; reported MOVED more than MaximumMovedKeyRetries");
}
public bool Contains(IHashSlot slot)
{
var slotNumber = slot.ToInt();
return _ranges.Count(kvp => slotNumber >= kvp.Key && slotNumber <= kvp.Value) > 0;
}
public static Exception CouldNotFindSlotOwner(IHashSlot slot)
{
return new Exception("No node owns slot " + slot.ToInt());
}