/// <summary>
/// Asynchronously revokes the specified Locator, denying any access it provided.
/// </summary>
/// <returns>A function delegate that returns the future result to be available through the Task<ILocator>.</returns>
public Task DeleteAsync()
{
LocatorBaseCollection.VerifyLocator(this);
IMediaDataServiceContext dataContext = this.GetMediaContext().MediaServicesClassFactory.CreateDataServiceContext();
dataContext.AttachTo(LocatorBaseCollection.LocatorSet, this);
dataContext.DeleteObject(this);
MediaRetryPolicy retryPolicy = this.GetMediaContext().MediaServicesClassFactory.GetSaveChangesRetryPolicy(dataContext as IRetryPolicyAdapter);
return(retryPolicy.ExecuteAsync <IMediaDataServiceResponse>(() => dataContext.SaveChangesAsync(this))
.ContinueWith(
t =>
{
t.ThrowIfFaulted();
LocatorData data = (LocatorData)t.Result.AsyncState;
if (GetMediaContext() != null)
{
var cloudContextAsset = (AssetData)GetMediaContext().Assets.Where(c => c.Id == data.AssetId).FirstOrDefault();
if (cloudContextAsset != null)
{
cloudContextAsset.InvalidateLocatorsCollection();
}
}
if (data.Asset != null)
{
data.Asset.InvalidateLocatorsCollection();
}
},
TaskContinuationOptions.ExecuteSynchronously));
}
/// <summary>
/// Creates the locator async.
/// </summary>
/// <param name="locatorId">The locator Id.</param>
/// <param name="locatorType">Type of the locator.</param>
/// <param name="asset">The asset.</param>
/// <param name="accessPolicy">The access policy.</param>
/// <param name="startTime">The start time.</param>
/// <param name="name">The name.</param>
/// <returns>A function delegate that returns the future result to be available through the Task<ILocator>.</returns>
public Task <ILocator> CreateLocatorAsync(string locatorId, LocatorType locatorType, IAsset asset, IAccessPolicy accessPolicy, DateTime?startTime, string name = null)
{
AccessPolicyBaseCollection.VerifyAccessPolicy(accessPolicy);
AssetCollection.VerifyAsset(asset);
AssetData assetData = (AssetData)asset;
LocatorData locator = new LocatorData
{
AccessPolicy = (AccessPolicyData)accessPolicy,
Asset = assetData,
Type = (int)locatorType,
StartTime = startTime,
Name = name
};
if (locatorId != null)
{
locator.Id = LocatorData.NormalizeLocatorId(locatorId);
}
locator.SetMediaContext(this.MediaContext);
IMediaDataServiceContext dataContext = this.MediaContext.MediaServicesClassFactory.CreateDataServiceContext();
dataContext.AttachTo(AssetCollection.AssetSet, asset);
dataContext.AttachTo(AccessPolicyBaseCollection.AccessPolicySet, accessPolicy);
dataContext.AddObject(LocatorSet, locator);
dataContext.SetLink(locator, AccessPolicyPropertyName, accessPolicy);
dataContext.SetLink(locator, AssetPropertyName, asset);
MediaRetryPolicy retryPolicy =
this.MediaContext.MediaServicesClassFactory.GetSaveChangesRetryPolicy(dataContext as IRetryPolicyAdapter);
return(retryPolicy.ExecuteAsync <IMediaDataServiceResponse>(() => dataContext.SaveChangesAsync(locator))
.ContinueWith <ILocator>(
t =>
{
t.ThrowIfFaulted();
assetData.InvalidateLocatorsCollection();
return (LocatorData)t.Result.AsyncState;
},
TaskContinuationOptions.ExecuteSynchronously));
}
/// <summary>
/// Creates the locator async.
/// </summary>
/// <param name="locatorType">Type of the locator.</param>
/// <param name="asset">The asset.</param>
/// <param name="accessPolicy">The access policy.</param>
/// <param name="startTime">The start time.</param>
/// <returns>A function delegate that returns the future result to be available through the Task<ILocator>.</returns>
public Task <ILocator> CreateLocatorAsync(LocatorType locatorType, IAsset asset, IAccessPolicy accessPolicy, DateTime?startTime)
{
AccessPolicyBaseCollection.VerifyAccessPolicy(accessPolicy);
AssetCollection.VerifyAsset(asset);
AssetData assetData = (AssetData)asset;
LocatorData locator = new LocatorData
{
AccessPolicy = (AccessPolicyData)accessPolicy,
Asset = assetData,
Type = (int)locatorType,
StartTime = startTime,
};
locator.InitCloudMediaContext(this._cloudMediaContext);
DataServiceContext dataContext = this.DataContextFactory.CreateDataServiceContext();
dataContext.AttachTo(AssetCollection.AssetSet, asset);
dataContext.AttachTo(AccessPolicyBaseCollection.AccessPolicySet, accessPolicy);
dataContext.AddObject(LocatorSet, locator);
dataContext.SetLink(locator, AccessPolicyPropertyName, accessPolicy);
dataContext.SetLink(locator, AssetPropertyName, asset);
return(dataContext
.SaveChangesAsync(locator)
.ContinueWith <ILocator>(
t =>
{
t.ThrowIfFaulted();
assetData.InvalidateLocatorsCollection();
return (LocatorData)t.AsyncState;
},
TaskContinuationOptions.ExecuteSynchronously));
}
/// <summary>
/// Asynchronously revokes the specified Locator, denying any access it provided.
/// </summary>
/// <returns>A function delegate that returns the future result to be available through the Task<ILocator>.</returns>
public Task DeleteAsync()
{
LocatorBaseCollection.VerifyLocator(this);
DataServiceContext dataContext = this._cloudMediaContext.DataContextFactory.CreateDataServiceContext();
dataContext.AttachTo(LocatorBaseCollection.LocatorSet, this);
dataContext.DeleteObject(this);
var cloudContext = this._cloudMediaContext;
return(dataContext
.SaveChangesAsync(this)
.ContinueWith(
t =>
{
t.ThrowIfFaulted();
LocatorData data = (LocatorData)t.AsyncState;
if (cloudContext != null)
{
var cloudContextAsset = (AssetData)cloudContext.Assets.Where(c => c.Id == data.AssetId).FirstOrDefault();
if (cloudContextAsset != null)
{
cloudContextAsset.InvalidateLocatorsCollection();
}
}
if (data.Asset != null)
{
data.Asset.InvalidateLocatorsCollection();
}
},
TaskContinuationOptions.ExecuteSynchronously));
}
