System.Net.Cache.SingleItemRequestCache.TryStore C# (CSharp) Method

        internal override bool TryStore(string key, long contentLength, DateTime expiresUtc, DateTime lastModifiedUtc, TimeSpan maxStale, StringCollection entryMetadata, StringCollection systemMetadata, out Stream writeStream)
        {
            if (key == null)
                throw new ArgumentNullException("key");

            RequestCacheEntry requestCacheEntry = new RequestCacheEntry();
            requestCacheEntry.IsPrivateEntry = this.IsPrivateCache;
            requestCacheEntry.StreamSize = contentLength;
            requestCacheEntry.ExpiresUtc = expiresUtc;
            requestCacheEntry.LastModifiedUtc = lastModifiedUtc;
            requestCacheEntry.LastAccessedUtc = DateTime.UtcNow;
            requestCacheEntry.LastSynchronizedUtc = DateTime.UtcNow;
            requestCacheEntry.MaxStale = maxStale;
            requestCacheEntry.HitCount = 0;
            requestCacheEntry.UsageCount = 0;
            requestCacheEntry.IsPartialEntry = false;
            requestCacheEntry.EntryMetadata = entryMetadata;
            requestCacheEntry.SystemMetadata = systemMetadata;

            writeStream = null;
            Stream realWriteStream = null;

            
            writeStream = new WriteOnlyStream(key, this, requestCacheEntry, realWriteStream);
            return true;
        }