public virtual Tuple <object, bool> Fill(FreshnessRequest freshness)
{
HttpCacheShim.Log("Fill", () => "(" + freshness + ") " + Name);
var keyString = Name;
var startTime = DateTime.UtcNow;
var started = s_RunningQueries.TryAdd(keyString, startTime);
try
{
if (started)
{
var backfilling = freshness == FreshnessRequest.AsyncBackfill;
if (backfilling)
{
if (NumberOfRefillsRemaining > 0)
{
NumberOfRefillsRemaining--;
}
HttpCacheShim.Log("Refiller", () => "backfilling " + Name + " remaining " + NumberOfRefillsRemaining);
}
var result = Filler(freshness);
return(Tuple.Create(result, false));
}
else
{
HttpCacheShim.Log("Refiller", () => keyString + " already inflight");
return(Tuple.Create(default(object), true));
}
}
finally
{
if (started)
{
var endTime = DateTime.UtcNow;
s_RunningQueries.TryRemove(keyString, out startTime);
HttpCacheShim.Log("Refiller", () => keyString + " @" + startTime + " [" + (endTime - startTime) + "]");
}
}
}
public virtual void Put(object value)
{
HttpCacheShim.Log("Put", () => "[" + Name + "] " + value);
Putter(this, value);
}