protected DownloadRequest_Folder FolderRequestPrepend(LLUUID folderID, bool recurse, bool fetchFolders, bool fetchItems, string requestName)
{
DownloadRequest_Folder dr = new DownloadRequest_Folder(folderID, recurse, fetchFolders, fetchItems, requestName);
// Prepend the request at the head of the queue
lock (FolderRequests)
{
if (FolderRequests.Contains(dr))
{
foreach (DownloadRequest_Folder existing in FolderRequests)
{
if (dr.Equals(existing))
{
dr = existing;
break;
}
}
LogDescendantQueueEvent("Append(returned existing): " + dr.ToString());
}
else
{
FolderRequests.Insert(0, dr);
LogDescendantQueueEvent("Prepend: " + dr.ToString());
}
}
return dr;
}
/// <summary>
/// Append a request to the end of the queue.
/// </summary>
internal DownloadRequest_Folder FolderRequestAppend(LLUUID folderID, bool recurse, bool fetchFolders, bool fetchItems, string requestName)
{
DownloadRequest_Folder dr = new DownloadRequest_Folder(folderID, recurse, fetchFolders, fetchItems, requestName);
// Add new request to the tail of the queue
lock (FolderRequests)
{
if (FolderRequests.Contains(dr))
{
foreach (DownloadRequest_Folder existing in FolderRequests)
{
if (dr.Equals(existing))
{
dr = existing;
break;
}
}
LogDescendantQueueEvent("Append(returned existing): " + dr.ToString());
}
else
{
FolderRequests.Add(dr);
LogDescendantQueueEvent("Append: " + dr.ToString());
}
}
FolderRequestBegin();
return dr;
}
