public IIterator <T> Start(object context)
{
lock (shareByContext)
{
ShareSource shareSource;
WeakReference <ShareSource> weakReference;
if (!shareByContext.TryGetValue(context ?? nullContextKey, out weakReference) || !weakReference.TryGetTarget(out shareSource))
{
// remove all garbage collected sequences ...
foreach (var key in shareByContext.Where(x => { ShareSource s; return(!x.Value.TryGetTarget(out s)); }).Select(x => x.Key).ToList())
{
shareByContext.Remove(key);
}
shareSource = new ShareSource(source.Start(context), maxQueueLength);
shareByContext.Add(context ?? nullContextKey, new WeakReference <ShareSource>(shareSource));
}
Debug.Assert(shareSource.SourceIterator.Context == context);
return(shareSource.Start());
}
}
public override int GetHashCode()
{
int hash = 1;
if (BaselineSrc != 0)
{
hash ^= BaselineSrc.GetHashCode();
}
if (PortraitFormat != 0)
{
hash ^= PortraitFormat.GetHashCode();
}
if (PortraitAction != 0)
{
hash ^= PortraitAction.GetHashCode();
}
if (PortraitLensTop.Length != 0)
{
hash ^= PortraitLensTop.GetHashCode();
}
if (PortraitLensMid.Length != 0)
{
hash ^= PortraitLensMid.GetHashCode();
}
if (PortraitLensBottom.Length != 0)
{
hash ^= PortraitLensBottom.GetHashCode();
}
if (PortraitFrame.Length != 0)
{
hash ^= PortraitFrame.GetHashCode();
}
if (PortraitFilter.Length != 0)
{
hash ^= PortraitFilter.GetHashCode();
}
hash ^= portraitStickerIds_.GetHashCode();
if (PortraitStickerCount != 0)
{
hash ^= PortraitStickerCount.GetHashCode();
}
if (ShareSource != 0)
{
hash ^= ShareSource.GetHashCode();
}
if (ShareType != 0)
{
hash ^= ShareType.GetHashCode();
}
if (ShareNetwork.Length != 0)
{
hash ^= ShareNetwork.GetHashCode();
}
if (DownloadSource != 0)
{
hash ^= DownloadSource.GetHashCode();
}
if (DownloadType != 0)
{
hash ^= DownloadType.GetHashCode();
}
if (_unknownFields != null)
{
hash ^= _unknownFields.GetHashCode();
}
return(hash);
}
public ShareIterator(ShareSource shareSource)
: base(shareSource.SourceIterator)
{
this.shareSource = shareSource;
}
