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Fully async'd xml parsing process as well as added resolver and provider priorities

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LukePulverenti Luke Pulverenti luke pulverenti
2012-08-20 11:55:05 -04:00
parent 19a4dd83c2
commit 8f024e8199
21 changed files with 295 additions and 180 deletions
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74
MediaBrowser.Controller/Kernel.cs
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@@ -86,42 +86,10 @@ namespace MediaBrowser.Controller
protected override void OnComposablePartsLoaded()
{
AddCoreResolvers();
AddCoreProviders();
// The base class will start up all the plugins
base.OnComposablePartsLoaded();
}
private void AddCoreResolvers()
{
List<IBaseItemResolver> list = EntityResolvers.ToList();
// Add the core resolvers
list.AddRange(new IBaseItemResolver[]{
new AudioResolver(),
new VideoResolver(),
new VirtualFolderResolver(),
new FolderResolver()
});
EntityResolvers = list;
}
private void AddCoreProviders()
{
List<BaseMetadataProvider> list = MetadataProviders.ToList();
// Add the core resolvers
list.InsertRange(0, new BaseMetadataProvider[]{
new ImageFromMediaLocationProvider(),
new LocalTrailerProvider(),
new AudioInfoProvider(),
new FolderProviderFromXml()
});
MetadataProviders = list;
// Initialize the metadata providers
Parallel.ForEach(MetadataProviders, provider =>
{
provider.Init();
@@ -264,19 +232,43 @@ namespace MediaBrowser.Controller
// Get all supported providers
var supportedProviders = Kernel.Instance.MetadataProviders.Where(i => i.Supports(item));
// Start with non-internet providers. Run them sequentially
foreach (BaseMetadataProvider provider in supportedProviders.Where(i => !i.RequiresInternet))
// First priority providers
var providers = supportedProviders.Where(i => !i.RequiresInternet && i.Priority == MetadataProviderPriority.First);
if (providers.Any())
{
await provider.Fetch(item, args);
await Task.WhenAll(
providers.Select(i => i.Fetch(item, args))
);
}
var internetProviders = supportedProviders.Where(i => i.RequiresInternet);
// Second priority providers
providers = supportedProviders.Where(i => !i.RequiresInternet && i.Priority == MetadataProviderPriority.Second);
if (internetProviders.Any())
if (providers.Any())
{
// Now execute internet providers in parallel
await Task.WhenAll(
internetProviders.Select(i => i.Fetch(item, args))
providers.Select(i => i.Fetch(item, args))
);
}
// Lowest priority providers
providers = supportedProviders.Where(i => !i.RequiresInternet && i.Priority == MetadataProviderPriority.Last);
if (providers.Any())
{
await Task.WhenAll(
providers.Select(i => i.Fetch(item, args))
);
}
// Execute internet providers
providers = supportedProviders.Where(i => i.RequiresInternet);
if (providers.Any())
{
await Task.WhenAll(
providers.Select(i => i.Fetch(item, args))
);
}
}