private void SetEntry(CacheEntry entry)
{
if (this.disposed)
{
return;
}
DateTimeOffset utcNow = this.clock.UtcNow;
DateTimeOffset?nullable = new DateTimeOffset?();
if (entry.absoluteExpirationRelativeToNow.HasValue)
{
DateTimeOffset dateTimeOffset = utcNow;
TimeSpan? expirationRelativeToNow = entry.absoluteExpirationRelativeToNow;
nullable = expirationRelativeToNow.HasValue ? dateTimeOffset + expirationRelativeToNow.GetValueOrDefault() : new DateTimeOffset?();
}
else if (entry.absoluteExpiration.HasValue)
{
nullable = entry.absoluteExpiration;
}
if (nullable.HasValue && (!entry.absoluteExpiration.HasValue || nullable.Value < entry.absoluteExpiration.Value))
{
entry.absoluteExpiration = nullable;
}
entry.LastAccessed = utcNow;
if (this.entries.TryGetValue(entry.Key, out var cacheEntry))
{
cacheEntry.SetExpired(EvictionReason.Replaced);
}
if (!entry.CheckExpired(utcNow))
{
bool flag;
if (cacheEntry == null)
{
flag = this.entries.TryAdd(entry.Key, entry);
}
else
{
flag = this.entries.TryUpdate(entry.Key, entry, cacheEntry);
if (!flag)
{
flag = this.entries.TryAdd(entry.Key, entry);
}
}
if (flag)
{
entry.AttachTokens();
}
else
{
entry.SetExpired((EvictionReason)2);
entry.InvokeEvictionCallbacks();
}
if (cacheEntry != null)
{
cacheEntry.InvokeEvictionCallbacks();
}
}
else
{
entry.InvokeEvictionCallbacks();
if (cacheEntry != null)
{
this.RemoveEntry(cacheEntry);
}
}
this.StartScanForExpiredItems();
}
private void EntryExpired(CacheEntry entry)
{
this.RemoveEntry(entry);
this.StartScanForExpiredItems();
}
