/// <summary>
/// Add an expiration hint to the hints
/// </summary>
/// <param name="eh"></param>
public void Add(ExpirationHint eh)
{
lock (this)
{
if (!eh.IsRoutable)
{
this.SetBit(NON_ROUTABLE);
}
if (eh.IsVariant)
{
this.SetBit(IS_VARIANT);
}
eh.SetExpirationEventSink(this);
AggregateExpirationHint aggregate = eh as AggregateExpirationHint;
if (aggregate != null)
{
foreach (ExpirationHint expirationHint in aggregate._hints)
{
_hints.Add(expirationHint);
}
}
else
{
_hints.Add(eh);
}
bool isFixed = false;
for (int i = _hints.Count - 1; i >= 0; i--)
{
if (isFixed && _hints[i] is FixedExpiration)
{
var previousFixedExpiration = _hints[i];
_hints.RemoveAt(i);
previousFixedExpiration.ReturnLeasableToPool();
break;
}
if (!isFixed && _hints[i] is FixedExpiration)
{
isFixed = true;
}
}
}
}