internal void PropagateOptions(CacheEntry parent)
{
if (parent == null)
{
return;
}
// Copy expiration tokens and AbsoluteExpiration to the cache entries hierarchy.
// We do this regardless of it gets cached because the tokens are associated with the value we'll return.
if (_expirationTokens != null)
{
lock (_lock)
{
lock (parent._lock)
{
foreach (var expirationToken in _expirationTokens)
{
parent.AddExpirationToken(expirationToken);
}
}
}
}
if (_absoluteExpiration.HasValue)
{
if (!parent._absoluteExpiration.HasValue || _absoluteExpiration < parent._absoluteExpiration)
{
parent._absoluteExpiration = _absoluteExpiration;
}
}
}
internal void PropagateTokens(CacheEntry parentEntry)
{
if (_expirationTokens != null)
{
lock (this)
{
lock (parentEntry.GetOrCreateTokens())
{
foreach (IChangeToken expirationToken in _expirationTokens)
{
parentEntry.AddExpirationToken(expirationToken);
}
}
}
}
}