private int GetListIndex(BufferCacheKey key)
{
lock (this.state)
return(this.parentMap.GetOrAdd(key, this.parentMap.Count + 1));
}
public int GetListIndex(IReference reference)
{
BufferCacheKey cacheKey = new BufferCacheKey(this.GetParentKeyType(reference));
return(this.GetListIndex(cacheKey));
}