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removed excess hashing in providers and made user data key-based

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This commit is contained in:
Luke Pulverenti
2013-04-13 14:02:30 -04:00
parent 6688d35e65
commit 785deff188
54 changed files with 512 additions and 678 deletions
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28
MediaBrowser.Server.Implementations/Providers/ProviderManager.cs
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@@ -88,12 +88,6 @@ namespace MediaBrowser.Server.Implementations.Providers
Task.Run(() => ValidateCurrentlyRunningProviders());
}
/// <summary>
/// Gets or sets the supported providers key.
/// </summary>
/// <value>The supported providers key.</value>
private Guid SupportedProvidersKey { get; set; }
/// <summary>
/// Adds the metadata providers.
/// </summary>
@@ -103,6 +97,11 @@ namespace MediaBrowser.Server.Implementations.Providers
MetadataProviders = providers.OrderBy(e => e.Priority).ToArray();
}
/// <summary>
/// The _supported providers key
/// </summary>
private readonly Guid _supportedProvidersKey = "SupportedProviders".GetMD5();
/// <summary>
/// Runs all metadata providers for an entity, and returns true or false indicating if at least one was refreshed and requires persistence
/// </summary>
@@ -126,19 +125,14 @@ namespace MediaBrowser.Server.Implementations.Providers
BaseProviderInfo supportedProvidersInfo;
if (SupportedProvidersKey == Guid.Empty)
{
SupportedProvidersKey = "SupportedProviders".GetMD5();
}
var supportedProvidersValue = string.Join("+", supportedProviders.Select(i => i.GetType().Name));
var providersChanged = false;
var supportedProvidersHash = string.Join("+", supportedProviders.Select(i => i.GetType().Name)).GetMD5();
bool providersChanged = false;
item.ProviderData.TryGetValue(SupportedProvidersKey, out supportedProvidersInfo);
item.ProviderData.TryGetValue(_supportedProvidersKey, out supportedProvidersInfo);
if (supportedProvidersInfo != null)
{
// Force refresh if the supported providers have changed
providersChanged = force = force || supportedProvidersInfo.FileSystemStamp != supportedProvidersHash;
providersChanged = force = force || !string.Equals(supportedProvidersInfo.FileSystemStamp, supportedProvidersValue);
// If providers have changed, clear provider info and update the supported providers hash
if (providersChanged)
@@ -150,7 +144,7 @@ namespace MediaBrowser.Server.Implementations.Providers
if (providersChanged)
{
supportedProvidersInfo.FileSystemStamp = supportedProvidersHash;
supportedProvidersInfo.FileSystemStamp = supportedProvidersValue;
}
if (force) item.ClearMetaValues();
@@ -206,7 +200,7 @@ namespace MediaBrowser.Server.Implementations.Providers
if (providersChanged)
{
item.ProviderData[SupportedProvidersKey] = supportedProvidersInfo;
item.ProviderData[_supportedProvidersKey] = supportedProvidersInfo;
}
return result || providersChanged;