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using System.ComponentModel.DataAnnotations;
using System.ComponentModel.DataAnnotations.Schema;
using Jellyfin.Data.Interfaces;
namespace Jellyfin.Data.Entities.Libraries
{
/// <summary>
/// An entity representing a collection item.
/// </summary>
public class CollectionItem : IHasConcurrencyToken
{
/// <summary>
/// Initializes a new instance of the <see cref="CollectionItem"/> class.
/// </summary>
/// <param name="libraryItem">The library item.</param>
public CollectionItem(LibraryItem libraryItem)
{
LibraryItem = libraryItem;
}
/// <summary>
/// Gets or sets the id.
/// </summary>
/// <remarks>
/// Identity, Indexed, Required.
/// </remarks>
[DatabaseGenerated(DatabaseGeneratedOption.Identity)]
public int Id { get; set; }
/// <inheritdoc />
[ConcurrencyCheck]
public uint RowVersion { get; private set; }
/// <summary>
/// Gets or sets the library item.
/// </summary>
/// <remarks>
/// Required.
/// </remarks>
public virtual LibraryItem LibraryItem { get; set; }
/// <summary>
/// Gets or sets the next item in the collection.
/// </summary>
/// <remarks>
/// TODO check if this properly updated Dependent and has the proper principal relationship.
/// </remarks>
public virtual CollectionItem? Next { get; set; }
/// <summary>
/// Gets or sets the previous item in the collection.
/// </summary>
/// <remarks>
/// TODO check if this properly updated Dependent and has the proper principal relationship.
/// </remarks>
public virtual CollectionItem? Previous { get; set; }
/// <inheritdoc />
public void OnSavingChanges()
{
RowVersion++;
}
}
}
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