private Task <IIngestManifestAsset> CreateAsync(IIngestManifest ingestManifest, IAsset asset, CancellationToken token, Action <IngestManifestAssetData> continueWith)
{
IngestManifestCollection.VerifyManifest(ingestManifest);
IMediaDataServiceContext dataContext = MediaContext.MediaServicesClassFactory.CreateDataServiceContext();
var data = new IngestManifestAssetData
{
ParentIngestManifestId = ingestManifest.Id
};
dataContext.AddObject(IngestManifestAssetCollection.EntitySet, data);
dataContext.AttachTo(AssetCollection.AssetSet, asset);
dataContext.SetLink(data, "Asset", asset);
MediaRetryPolicy retryPolicy = this.MediaContext.MediaServicesClassFactory.GetSaveChangesRetryPolicy();
Task <IIngestManifestAsset> task = retryPolicy.ExecuteAsync <IMediaDataServiceResponse>(() => dataContext.SaveChangesAsync(data))
.ContinueWith <IIngestManifestAsset>(t =>
{
t.ThrowIfFaulted();
token.ThrowIfCancellationRequested();
IngestManifestAssetData ingestManifestAsset = (IngestManifestAssetData)t.Result.AsyncState;
continueWith(ingestManifestAsset);
return(ingestManifestAsset);
}, TaskContinuationOptions.ExecuteSynchronously);
return(task);
}
/// <summary>
/// Initializes a new instance of the <see cref="IngestManifestFileCollection"/> class.
/// </summary>
/// <param name="cloudMediaContext">The <seealso cref="CloudMediaContext"/> instance.</param>
/// <param name="parentIngestManifestAsset">The parent manifest asset.</param>
internal IngestManifestFileCollection(CloudMediaContext cloudMediaContext, IIngestManifestAsset parentIngestManifestAsset)
{
this._cloudMediaContext = cloudMediaContext;
this._dataContext = this._cloudMediaContext.DataContextFactory.CreateDataServiceContext();
this._query = new Lazy <IQueryable <IIngestManifestFile> >(() => this._dataContext.CreateQuery <IngestManifestFileData>(EntitySet));
if (parentIngestManifestAsset != null)
{
this._parentIngestManifestAsset = (IngestManifestAssetData)parentIngestManifestAsset;
}
}
/// <summary>
/// Initializes a new instance of the <see cref="IngestManifestFileCollection"/> class.
/// </summary>
/// <param name="mediaContext"></param>
/// <param name="parentIngestManifestAsset">The parent manifest asset.</param>
internal IngestManifestFileCollection(MediaContextBase mediaContext, IIngestManifestAsset parentIngestManifestAsset)
: base(mediaContext)
{
MediaServicesClassFactory factory = this.MediaContext.MediaServicesClassFactory;
this._query = new Lazy <IQueryable <IIngestManifestFile> >(() => factory.CreateDataServiceContext().CreateQuery <IIngestManifestFile, IngestManifestFileData>(EntitySet));
if (parentIngestManifestAsset != null)
{
this._parentIngestManifestAsset = (IngestManifestAssetData)parentIngestManifestAsset;
}
}