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="CloudMediaContext"/> class.
/// </summary>
/// <param name="apiServer">A <see cref="Uri"/> representing a the API endpoint.</param>
/// <param name="accountName">The Microsoft WindowsAzure Media Services account name to authenticate with.</param>
/// <param name="accountKey">The Microsoft WindowsAzure Media Services account key to authenticate with.</param>
/// <param name="scope">The scope of authorization.</param>
/// <param name="acsBaseAddress">The access control endpoint to authenticate against.</param>
public CloudMediaContext(Uri apiServer, string accountName, string accountKey, string scope, string acsBaseAddress)
{
this.ParallelTransferThreadCount = 10;
this.NumberOfConcurrentTransfers = 2;
OAuthDataServiceAdapter dataServiceAdapter =
new OAuthDataServiceAdapter(accountName, accountKey, scope, acsBaseAddress, NimbusRestApiCertificateThumbprint, NimbusRestApiCertificateSubject);
ServiceVersionAdapter versionAdapter = new ServiceVersionAdapter(KnownApiVersions.Current);
this._dataContextFactory = new AzureMediaServicesDataServiceContextFactory(apiServer, dataServiceAdapter, versionAdapter, this);
this._jobs = new JobBaseCollection(this);
this._jobTemplates = new JobTemplateBaseCollection(this);
this._assets = new AssetCollection(this);
this._files = new AssetFileCollection(this);
this._accessPolicies = new AccessPolicyBaseCollection(this);
this._contentKeys = new ContentKeyCollection(this);
this._notificationEndPoints = new NotificationEndPointCollection(this);
this._mediaProcessors = new MediaProcessorBaseCollection(this);
this._locators = new LocatorBaseCollection(this);
this._ingestManifests = new IngestManifestCollection(this);
this._ingestManifestAssets = new IngestManifestAssetCollection(this, null);
this._ingestManifestFiles = new IngestManifestFileCollection(this, null);
this._storageAccounts = new StorageAccountBaseCollection(this);
}
/// <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)));
}
