/// <summary>
/// Cancels the async.
/// </summary>
/// <returns>A function delegate that returns the future result to be available through the Task.</returns>
public Task CancelAsync()
{
if (string.IsNullOrWhiteSpace(this.Id))
{
// The job was not submitted yet.
throw new InvalidOperationException(StringTable.InvalidOperationCancelForNotSubmittedJob);
}
Uri uri = new Uri(
string.Format(CultureInfo.InvariantCulture, "/CancelJob?jobid='{0}'", HttpUtility.UrlEncode(Id)),
UriKind.Relative);
IMediaDataServiceContext dataContext = this.GetMediaContext().MediaServicesClassFactory.CreateDataServiceContext();
dataContext.IgnoreResourceNotFoundException = false;
dataContext.AttachTo(JobBaseCollection.JobSet, this);
return(dataContext
.ExecuteAsync <string>(uri, this)
.ContinueWith(
t =>
{
t.ThrowIfFaulted();
JobData data = (JobData)t.AsyncState;
data.Refresh();
}));
}
/// <summary>
/// Gets the Key Delivery Uri Asynchronously
/// </summary>
public Task <Uri> GetKeyDeliveryUrlAsync(ContentKeyDeliveryType contentKeyDeliveryType)
{
return(Task.Factory.StartNew <Uri>(() =>
{
Uri returnValue = null;
if (this.GetMediaContext() != null)
{
IMediaDataServiceContext dataContext = this.GetMediaContext().MediaServicesClassFactory.CreateDataServiceContext();
MediaRetryPolicy retryPolicy = this.GetMediaContext().MediaServicesClassFactory.GetQueryRetryPolicy(dataContext as IRetryPolicyAdapter);
Uri uriGetKeyDeliveryUrl = new Uri(string.Format(CultureInfo.InvariantCulture, "/ContentKeys('{0}')/GetKeyDeliveryUrl", this.Id), UriKind.Relative);
BodyOperationParameter keyDeliveryTypeParameter = new BodyOperationParameter("keyDeliveryType", (int)contentKeyDeliveryType);
try
{
IEnumerable <string> results = retryPolicy.ExecuteAction <IEnumerable <string> >(() => dataContext.ExecuteAsync(uriGetKeyDeliveryUrl, "POST", true, keyDeliveryTypeParameter).Result);
if (results != null)
{
// We specified only one result above so take the first result
string uriString = results.FirstOrDefault();
if (uriString != null)
{
returnValue = new Uri(uriString);
}
}
}
catch (AggregateException exception)
{
throw exception.Flatten().InnerException;
}
}
return returnValue;
}));
}
