2019-06-01 16:40:01 -04:00
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using System;
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using System.ComponentModel.DataAnnotations;
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using System.ComponentModel.DataAnnotations.Schema;
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using Jellyfin.Data.Interfaces;
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namespace Jellyfin.Data.Entities.Libraries
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{
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/// <summary>
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/// An entity representing a stream in a media file.
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/// </summary>
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public class MediaFileStream : IHasConcurrencyToken
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{
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/// <summary>
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/// Initializes a new instance of the <see cref="MediaFileStream"/> class.
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/// </summary>
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/// <param name="streamNumber">The number of this stream.</param>
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/// <param name="mediaFile">The media file.</param>
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public MediaFileStream(int streamNumber, MediaFile mediaFile)
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{
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StreamNumber = streamNumber;
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if (mediaFile == null)
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{
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throw new ArgumentNullException(nameof(mediaFile));
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}
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mediaFile.MediaFileStreams.Add(this);
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}
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/// <summary>
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/// Initializes a new instance of the <see cref="MediaFileStream"/> class.
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/// </summary>
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/// <remarks>
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/// Default constructor. Protected due to required properties, but present because EF needs it.
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/// </remarks>
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protected MediaFileStream()
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{
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}
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/// <summary>
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/// Gets or sets the id.
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/// </summary>
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/// <remarks>
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/// Identity, Indexed, Required.
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/// </remarks>
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[DatabaseGenerated(DatabaseGeneratedOption.Identity)]
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public int Id { get; protected set; }
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/// <summary>
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/// Gets or sets the stream number.
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/// </summary>
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/// <remarks>
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/// Required.
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/// </remarks>
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public int StreamNumber { get; set; }
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/// <inheritdoc />
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[ConcurrencyCheck]
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public uint RowVersion { get; set; }
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/// <inheritdoc />
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public void OnSavingChanges()
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{
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RowVersion++;
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}
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}
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}
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