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>
/// Updates manifest asynchronously.
/// </summary>
/// <returns><see cref="Task"/></returns>
public Task UpdateAsync()
{
IngestManifestCollection.VerifyManifest(this);
DataServiceContext dataContext = _cloudMediaContext.DataContextFactory.CreateDataServiceContext();
dataContext.AttachTo(IngestManifestCollection.EntitySet, this);
dataContext.UpdateObject(this);
return(dataContext.SaveChangesAsync(this));
}
/// <summary>
/// Updates manifest asynchronously.
/// </summary>
/// <returns><see cref="Task"/></returns>
public Task UpdateAsync()
{
IngestManifestCollection.VerifyManifest(this);
IMediaDataServiceContext dataContext = GetMediaContext().MediaServicesClassFactory.CreateDataServiceContext();
dataContext.AttachTo(IngestManifestCollection.EntitySet, this);
dataContext.UpdateObject(this);
MediaRetryPolicy retryPolicy = this.GetMediaContext().MediaServicesClassFactory.GetSaveChangesRetryPolicy(dataContext as IRetryPolicyAdapter);
return(retryPolicy.ExecuteAsync <IMediaDataServiceResponse>(() => dataContext.SaveChangesAsync(this)));
}