public void Enqueue(Uri url)
{
if(!_cache.Contains(url)) {
_cache.Add(url);
var fetcher = new Downloader(url);
_queue.Enqueue(fetcher);
}
}
/// <summary>
/// Enqueue a new downloader.
/// </summary>
/// <param name="downloader">Downloader to enqueue.</param>
public void Enqueue(Downloader downloader)
{
lock (_mutex)
{
if (_queue.All(x => x.Url.AbsoluteUri != downloader.Url.AbsoluteUri))
{
_queue.Add(downloader);
}
}
}
/// <summary>
/// Remove a downloader from both the executing list and queue.
/// </summary>
/// <param name="downloader"></param>
private void RemoveFetcher(Downloader downloader)
{
lock (_mutex)
{
_executing.Remove(downloader);
_queue.Remove(downloader);
}
}
protected bool Equals(Downloader other)
{
return Equals(Url, other.Url);
}
protected bool Equals(Downloader other)
{
return(Equals(Url, other.Url));
}