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move child definitions to db

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This commit is contained in:
Luke Pulverenti 2013-06-20 12:44:24 -04:00
parent 6f15aeccd0
commit 6bc263052d
15 changed files with 249 additions and 47 deletions
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16
MediaBrowser.Common.Implementations/BaseApplicationHost.cs
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@ -407,6 +407,18 @@ namespace MediaBrowser.Common.Implementations
}
}
/// <summary>
/// Gets the export types.
/// </summary>
/// <typeparam name="T"></typeparam>
/// <returns>IEnumerable{Type}.</returns>
public IEnumerable<Type> GetExportTypes<T>()
{
var currentType = typeof(T);
return AllConcreteTypes.AsParallel().Where(currentType.IsAssignableFrom);
}
/// <summary>
/// Gets the exports.
/// </summary>
@ -415,9 +427,7 @@ namespace MediaBrowser.Common.Implementations
/// <returns>IEnumerable{``0}.</returns>
public IEnumerable<T> GetExports<T>(bool manageLiftime = true)
{
var currentType = typeof(T);
var parts = AllConcreteTypes.AsParallel().Where(currentType.IsAssignableFrom).Select(CreateInstance).Cast<T>().ToArray();
var parts = GetExportTypes<T>().Select(CreateInstance).Cast<T>().ToArray();
if (manageLiftime)
{

1
MediaBrowser.Controller/Entities/BaseItem.cs
View File

@ -143,6 +143,7 @@ namespace MediaBrowser.Controller.Entities
public static IServerConfigurationManager ConfigurationManager { get; set; }
public static IProviderManager ProviderManager { get; set; }
public static ILocalizationManager LocalizationManager { get; set; }
public static IItemRepository ItemRepository { get; set; }
/// <summary>
/// Returns a <see cref="System.String" /> that represents this instance.

22
MediaBrowser.Controller/Entities/ChildDefinition.cs Normal file
View File

@ -0,0 +1,22 @@
using System;
namespace MediaBrowser.Controller.Entities
{
/// <summary>
/// Class ChildDefinition
/// </summary>
public class ChildDefinition
{
/// <summary>
/// Gets or sets the item id.
/// </summary>
/// <value>The item id.</value>
public Guid ItemId { get; set; }
/// <summary>
/// Gets or sets the type.
/// </summary>
/// <value>The type.</value>
public string Type { get; set; }
}
}

56
MediaBrowser.Controller/Entities/Folder.cs
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@ -22,14 +22,7 @@ namespace MediaBrowser.Controller.Entities
/// </summary>
public class Folder : BaseItem
{
private static TypeMapper _typeMapper = new TypeMapper();
public Folder()
{
ChildDefinitions = new ConcurrentDictionary<Guid, string>();
}
public ConcurrentDictionary<Guid, string> ChildDefinitions { get; set; }
private static readonly TypeMapper _typeMapper = new TypeMapper();
/// <summary>
/// Gets a value indicating whether this instance is folder.
@ -118,14 +111,19 @@ namespace MediaBrowser.Controller.Entities
item.DateModified = DateTime.Now;
}
if (!_children.TryAdd(item.Id, item) || !ChildDefinitions.TryAdd(item.Id, item.GetType().FullName))
if (!_children.TryAdd(item.Id, item))
{
throw new InvalidOperationException("Unable to add " + item.Name);
}
await LibraryManager.CreateItem(item, cancellationToken).ConfigureAwait(false);
await LibraryManager.UpdateItem(this, cancellationToken).ConfigureAwait(false);
await ItemRepository.SaveChildren(Id, _children.Values.ToList().Select(i => new ChildDefinition
{
ItemId = i.Id,
Type = i.GetType().FullName
}), cancellationToken).ConfigureAwait(false);
}
/// <summary>
@ -153,9 +151,8 @@ namespace MediaBrowser.Controller.Entities
public Task RemoveChild(BaseItem item, CancellationToken cancellationToken)
{
BaseItem removed;
string removedType;
if (!_children.TryRemove(item.Id, out removed) || !ChildDefinitions.TryRemove(item.Id, out removedType))
if (!_children.TryRemove(item.Id, out removed))
{
throw new InvalidOperationException("Unable to remove " + item.Name);
}
@ -164,7 +161,12 @@ namespace MediaBrowser.Controller.Entities
LibraryManager.ReportItemRemoved(item);
return LibraryManager.UpdateItem(this, cancellationToken);
return ItemRepository.SaveChildren(Id, _children.Values.ToList().Select(i => new ChildDefinition
{
ItemId = i.Id,
Type = i.GetType().FullName
}), cancellationToken);
}
#region Indexing
@ -495,7 +497,7 @@ namespace MediaBrowser.Controller.Entities
/// Gets or sets the actual children.
/// </summary>
/// <value>The actual children.</value>
protected virtual ConcurrentDictionary<Guid,BaseItem> ActualChildren
protected virtual ConcurrentDictionary<Guid, BaseItem> ActualChildren
{
get
{
@ -558,10 +560,10 @@ namespace MediaBrowser.Controller.Entities
/// We want this sychronous.
/// </summary>
/// <returns>ConcurrentBag{BaseItem}.</returns>
protected virtual ConcurrentDictionary<Guid,BaseItem> LoadChildren()
protected virtual ConcurrentDictionary<Guid, BaseItem> LoadChildren()
{
//just load our children from the repo - the library will be validated and maintained in other processes
return new ConcurrentDictionary<Guid,BaseItem>(GetCachedChildren().ToDictionary(i => i.Id));
return new ConcurrentDictionary<Guid, BaseItem>(GetCachedChildren().ToDictionary(i => i.Id));
}
/// <summary>
@ -709,9 +711,6 @@ namespace MediaBrowser.Controller.Entities
}
else
{
string removedType;
ChildDefinitions.TryRemove(item.Id, out removedType);
LibraryManager.ReportItemRemoved(item);
}
}
@ -726,13 +725,16 @@ namespace MediaBrowser.Controller.Entities
}
else
{
ChildDefinitions.TryAdd(item.Id, item.GetType().FullName);
Logger.Debug("** " + item.Name + " Added to library.");
}
}
await LibraryManager.UpdateItem(this, CancellationToken.None).ConfigureAwait(false);
await ItemRepository.SaveChildren(Id, _children.Values.ToList().Select(i => new ChildDefinition
{
ItemId = i.Id,
Type = i.GetType().FullName
}), cancellationToken).ConfigureAwait(false);
//force the indexes to rebuild next time
IndexCache.Clear();
@ -804,7 +806,7 @@ namespace MediaBrowser.Controller.Entities
{
lock (percentages)
{
percentages[child.Id] = p/100;
percentages[child.Id] = p / 100;
var percent = percentages.Values.Sum();
percent /= list.Count;
@ -862,7 +864,7 @@ namespace MediaBrowser.Controller.Entities
/// <returns>IEnumerable{BaseItem}.</returns>
protected IEnumerable<BaseItem> GetCachedChildren()
{
var items = ChildDefinitions.ToList().Select(RetrieveChild).Where(i => i != null).ToList();
var items = ItemRepository.GetChildren(Id).Select(RetrieveChild).Where(i => i != null).ToList();
foreach (var item in items)
{
@ -877,9 +879,9 @@ namespace MediaBrowser.Controller.Entities
/// </summary>
/// <param name="child">The child.</param>
/// <returns>BaseItem.</returns>
private BaseItem RetrieveChild(KeyValuePair<Guid,string> child)
private BaseItem RetrieveChild(ChildDefinition child)
{
var type = child.Value;
var type = child.Type;
var itemType = _typeMapper.GetType(type);
@ -889,7 +891,7 @@ namespace MediaBrowser.Controller.Entities
return null;
}
var item = LibraryManager.RetrieveItem(child.Key, itemType);
var item = LibraryManager.RetrieveItem(child.ItemId, itemType);
return item is IByReferenceItem ? LibraryManager.GetOrAddByReferenceItem(item) : item;
}

1
MediaBrowser.Controller/MediaBrowser.Controller.csproj
View File

@ -74,6 +74,7 @@
<Compile Include="Dto\SessionInfoDtoBuilder.cs" />
<Compile Include="Entities\Audio\MusicAlbumDisc.cs" />
<Compile Include="Entities\Audio\MusicGenre.cs" />
<Compile Include="Entities\ChildDefinition.cs" />
<Compile Include="Entities\IByReferenceItem.cs" />
<Compile Include="Entities\MusicVideo.cs" />
<Compile Include="Library\ILibraryPostScanTask.cs" />

6
MediaBrowser.Controller/Persistence/IDisplayPreferencesRepository.cs
View File

@ -10,6 +10,12 @@ namespace MediaBrowser.Controller.Persistence
/// </summary>
public interface IDisplayPreferencesRepository : IRepository
{
/// <summary>
/// Opens the connection to the repository
/// </summary>
/// <returns>Task.</returns>
Task Initialize();
/// <summary>
/// Saves display preferences for an item
/// </summary>

22
MediaBrowser.Controller/Persistence/IItemRepository.cs
View File

@ -13,6 +13,12 @@ namespace MediaBrowser.Controller.Persistence
/// </summary>
public interface IItemRepository : IRepository
{
/// <summary>
/// Opens the connection to the repository
/// </summary>
/// <returns>Task.</returns>
Task Initialize();
/// <summary>
/// Saves an item
/// </summary>
@ -75,6 +81,22 @@ namespace MediaBrowser.Controller.Persistence
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task.</returns>
Task SaveChapters(Guid id, IEnumerable<ChapterInfo> chapters, CancellationToken cancellationToken);
/// <summary>
/// Gets the children.
/// </summary>
/// <param name="parentId">The parent id.</param>
/// <returns>IEnumerable{ChildDefinition}.</returns>
IEnumerable<ChildDefinition> GetChildren(Guid parentId);
/// <summary>
/// Saves the children.
/// </summary>
/// <param name="parentId">The parent id.</param>
/// <param name="children">The children.</param>
/// <param name="cancellationToken">The cancellation token.</param>
/// <returns>Task.</returns>
Task SaveChildren(Guid parentId, IEnumerable<ChildDefinition> children, CancellationToken cancellationToken);
}
/// <summary>

6
MediaBrowser.Controller/Persistence/IRepository.cs
View File

@ -8,12 +8,6 @@ namespace MediaBrowser.Controller.Persistence
/// </summary>
public interface IRepository : IDisposable
{
/// <summary>
/// Opens the connection to the repository
/// </summary>
/// <returns>Task.</returns>
Task Initialize();
/// <summary>
/// Gets the name of the repository
/// </summary>

6
MediaBrowser.Controller/Persistence/IUserDataRepository.cs
View File

@ -10,6 +10,12 @@ namespace MediaBrowser.Controller.Persistence
/// </summary>
public interface IUserDataRepository : IRepository
{
/// <summary>
/// Opens the connection to the repository
/// </summary>
/// <returns>Task.</returns>
Task Initialize();
/// <summary>
/// Saves the user data.
/// </summary>

6
MediaBrowser.Controller/Persistence/IUserRepository.cs
View File

@ -10,6 +10,12 @@ namespace MediaBrowser.Controller.Persistence
/// </summary>
public interface IUserRepository : IRepository
{
/// <summary>
/// Opens the connection to the repository
/// </summary>
/// <returns>Task.</returns>
Task Initialize();
/// <summary>
/// Deletes the user.
/// </summary>

6
MediaBrowser.Server.Implementations/MediaBrowser.Server.Implementations.csproj
View File

@ -64,6 +64,12 @@
<SpecificVersion>False</SpecificVersion>
<HintPath>..\packages\ServiceStack.Common.3.9.54\lib\net35\ServiceStack.Interfaces.dll</HintPath>
</Reference>
<Reference Include="ServiceStack.OrmLite">
<HintPath>..\packages\ServiceStack.OrmLite.Sqlite32.3.9.54\lib\net40\ServiceStack.OrmLite.dll</HintPath>
</Reference>
<Reference Include="ServiceStack.OrmLite.SqliteNET">
<HintPath>..\packages\ServiceStack.OrmLite.Sqlite32.3.9.54\lib\net40\ServiceStack.OrmLite.SqliteNET.dll</HintPath>
</Reference>
<Reference Include="ServiceStack.OrmLite.SqlServer, Version=1.0.0.0, Culture=neutral, processorArchitecture=MSIL">
<SpecificVersion>False</SpecificVersion>
<HintPath>..\packages\ServiceStack.OrmLite.SqlServer.3.9.43\lib\ServiceStack.OrmLite.SqlServer.dll</HintPath>

9
MediaBrowser.Server.Implementations/Persistence/SqliteChapterRepository.cs
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@ -27,16 +27,13 @@ namespace MediaBrowser.Server.Implementations.Persistence
private SQLiteCommand _saveChapterCommand;
/// <summary>
/// Initializes a new instance of the <see cref="SqliteItemRepository"/> class.
/// Initializes a new instance of the <see cref="SqliteItemRepository" /> class.
/// </summary>
/// <param name="appPaths">The app paths.</param>
/// <param name="jsonSerializer">The json serializer.</param>
/// <param name="logManager">The log manager.</param>
/// <exception cref="System.ArgumentNullException">
/// appPaths
/// <exception cref="System.ArgumentNullException">appPaths
/// or
/// jsonSerializer
/// </exception>
/// jsonSerializer</exception>
public SqliteChapterRepository(IApplicationPaths appPaths, ILogManager logManager)
{
if (appPaths == null)

127
MediaBrowser.Server.Implementations/Persistence/SqliteItemRepository.cs
View File

@ -56,6 +56,9 @@ namespace MediaBrowser.Server.Implementations.Persistence
private SqliteChapterRepository _chapterRepository;
private SQLiteCommand _deleteChildrenCommand;
private SQLiteCommand _saveChildrenCommand;
/// <summary>
/// Initializes a new instance of the <see cref="SqliteItemRepository"/> class.
/// </summary>
@ -103,6 +106,9 @@ namespace MediaBrowser.Server.Implementations.Persistence
"create table if not exists baseitems (guid GUID primary key, data BLOB)",
"create index if not exists idx_baseitems on baseitems(guid)",
"create table if not exists ChildDefinitions (ParentId GUID, ItemId GUID, Type TEXT, PRIMARY KEY (ParentId, ItemId))",
"create index if not exists idx_baseitems on baseitems(ParentId,ItemId)",
//pragmas
"pragma temp_store = memory"
};
@ -131,6 +137,22 @@ namespace MediaBrowser.Server.Implementations.Persistence
_saveItemCommand.Parameters.Add(new SQLiteParameter("@1"));
_saveItemCommand.Parameters.Add(new SQLiteParameter("@2"));
_deleteChildrenCommand = new SQLiteCommand
{
CommandText = "delete from ChildDefinitions where ParentId=@ParentId"
};
_deleteChildrenCommand.Parameters.Add(new SQLiteParameter("@ParentId"));
_saveChildrenCommand = new SQLiteCommand
{
CommandText = "replace into ChildDefinitions (ParentId, ItemId, Type) values (@ParentId, @ItemId, @Type)"
};
_saveChildrenCommand.Parameters.Add(new SQLiteParameter("@ParentId"));
_saveChildrenCommand.Parameters.Add(new SQLiteParameter("@ItemId"));
_saveChildrenCommand.Parameters.Add(new SQLiteParameter("@Type"));
}
/// <summary>
@ -401,5 +423,110 @@ namespace MediaBrowser.Server.Implementations.Persistence
}
}
}
public IEnumerable<ChildDefinition> GetChildren(Guid parentId)
{
if (parentId == Guid.Empty)
{
throw new ArgumentNullException("parentId");
}
using (var cmd = _connection.CreateCommand())
{
cmd.CommandText = "select ItemId,Type from ChildDefinitions where ParentId = @ParentId";
cmd.Parameters.Add("@ParentId", DbType.Guid).Value = parentId;
using (var reader = cmd.ExecuteReader(CommandBehavior.SequentialAccess | CommandBehavior.SingleResult))
{
while (reader.Read())
{
yield return new ChildDefinition
{
ItemId = reader.GetGuid(0),
Type = reader.GetString(1)
};
}
}
}
}
public async Task SaveChildren(Guid parentId, IEnumerable<ChildDefinition> children, CancellationToken cancellationToken)
{
if (parentId == Guid.Empty)
{
throw new ArgumentNullException("parentId");
}
if (children == null)
{
throw new ArgumentNullException("children");
}
if (cancellationToken == null)
{
throw new ArgumentNullException("cancellationToken");
}
cancellationToken.ThrowIfCancellationRequested();
await _writeLock.WaitAsync(cancellationToken).ConfigureAwait(false);
SQLiteTransaction transaction = null;
try
{
transaction = _connection.BeginTransaction();
// First delete
_deleteChildrenCommand.Parameters[0].Value = parentId;
_deleteChildrenCommand.Transaction = transaction;
await _deleteChildrenCommand.ExecuteNonQueryAsync(cancellationToken);
foreach (var chapter in children)
{
cancellationToken.ThrowIfCancellationRequested();
_saveChildrenCommand.Parameters[0].Value = parentId;
_saveChildrenCommand.Parameters[1].Value = chapter.ItemId;
_saveChildrenCommand.Parameters[2].Value = chapter.Type;
_saveChildrenCommand.Transaction = transaction;
await _saveChildrenCommand.ExecuteNonQueryAsync(cancellationToken);
}
transaction.Commit();
}
catch (OperationCanceledException)
{
if (transaction != null)
{
transaction.Rollback();
}
throw;
}
catch (Exception e)
{
_logger.ErrorException("Failed to save children:", e);
if (transaction != null)
{
transaction.Rollback();
}
throw;
}
finally
{
if (transaction != null)
{
transaction.Dispose();
}
_writeLock.Release();
}
}
}
}

1
MediaBrowser.Server.Implementations/packages.config
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@ -10,6 +10,7 @@
<package id="ServiceStack" version="3.9.54" targetFramework="net45" />
<package id="ServiceStack.Api.Swagger" version="3.9.54" targetFramework="net45" />
<package id="ServiceStack.Common" version="3.9.54" targetFramework="net45" />
<package id="ServiceStack.OrmLite.Sqlite32" version="3.9.54" targetFramework="net45" />
<package id="ServiceStack.OrmLite.SqlServer" version="3.9.43" targetFramework="net45" />
<package id="ServiceStack.Redis" version="3.9.43" targetFramework="net45" />
<package id="ServiceStack.Text" version="3.9.54" targetFramework="net45" />

1
MediaBrowser.ServerApplication/ApplicationHost.cs
View File

@ -359,6 +359,7 @@ namespace MediaBrowser.ServerApplication
BaseItem.LibraryManager = LibraryManager;
BaseItem.ProviderManager = ProviderManager;
BaseItem.LocalizationManager = LocalizationManager;
BaseItem.ItemRepository = ItemRepository;
User.XmlSerializer = XmlSerializer;
User.UserManager = UserManager;
LocalizedStrings.ApplicationPaths = ApplicationPaths;