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using System;
using System.Threading;
using System.Threading.Tasks;
namespace MediaBrowser.Controller.Providers
{
/// <summary>
/// Marker interface
/// </summary>
public interface IMetadataProvider
{
/// <summary>
/// Gets the name.
/// </summary>
/// <value>The name.</value>
string Name { get; }
}
public interface IMetadataProvider<TItemType> : IMetadataProvider
where TItemType : IHasMetadata
{
}
public interface ILocalMetadataProvider : IMetadataProvider
{
/// <summary>
/// Determines whether [has local metadata] [the specified item].
/// </summary>
/// <param name="item">The item.</param>
/// <returns><c>true</c> if [has local metadata] [the specified item]; otherwise, <c>false</c>.</returns>
bool HasLocalMetadata(IHasMetadata item);
}
public interface IRemoteMetadataProvider : IMetadataProvider
{
}
public interface IRemoteMetadataProvider<TItemType> : IMetadataProvider<TItemType>, IRemoteMetadataProvider
where TItemType : IHasMetadata
{
Task<MetadataResult<TItemType>> GetMetadata(ItemId id, CancellationToken cancellationToken);
}
public interface ILocalMetadataProvider<TItemType> : IMetadataProvider<TItemType>, ILocalMetadataProvider
where TItemType : IHasMetadata
{
Task<MetadataResult<TItemType>> GetMetadata(string path, CancellationToken cancellationToken);
}
public interface IHasChangeMonitor
{
/// <summary>
/// Determines whether the specified item has changed.
/// </summary>
/// <param name="item">The item.</param>
/// <param name="date">The date.</param>
/// <returns><c>true</c> if the specified item has changed; otherwise, <c>false</c>.</returns>
bool HasChanged(IHasMetadata item, DateTime date);
}
public class MetadataResult<T>
where T : IHasMetadata
{
public bool HasMetadata { get; set; }
public T Item { get; set; }
}
}
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