public BatchChangeSetRequestItem(ChangeSetRequestItem copy, HttpRequestMessage parentRequest)
: base(copy.Requests)
{
Contract.Requires<ArgumentNullException>(parentRequest != null);
_parentRequest = parentRequest;
_changeSetContext = new ChangeSetContext();
}
public BatchChangeSetRequestItem(ChangeSetRequestItem copy, HttpRequestMessage parentRequest)
: base(copy.Requests)
{
Contract.Requires <ArgumentNullException>(parentRequest != null);
_parentRequest = parentRequest;
_changeSetContext = new ChangeSetContext();
}
public static void OnChangeSetFailure(this ODataController oDataController, Task onFailureTask)
{
Contract.Requires <ArgumentNullException>(oDataController != null);
Contract.Requires <ArgumentNullException>(onFailureTask != null);
ChangeSetContext changeSetContext = oDataController.Request.GetChangeSetContext();
if (changeSetContext != null)
{
changeSetContext.AddOnChangeSetFailureTask(onFailureTask);
}
}
public static void TrySetChangeSetContentIdEntity <TEntity>(this HttpRequestMessage request, TEntity entity)
{
int?requestContentId = request.ContentId();
ChangeSetContext changeSetContext = request.GetChangeSetContext();
if ((changeSetContext == null) ||
(!requestContentId.HasValue))
{
return;
}
changeSetContext.AddContentIdRecord(requestContentId.Value, request, entity, typeof(TEntity));
}
/// <summary>
/// Set the async task to call when the changeset is complete, if the current request is within a changeset.
/// If the current request is not within a changeset, <paramref name="completionTask"/> is returned.
/// </summary>
/// <param name="oDataController"></param>
/// <param name="completionTask"></param>
//public static Task<HttpResponseMessage> OnChangeSetSuccess(this ODataController oDataController, Task<HttpResponseMessage> completionTask)
//{
// Contract.Requires<ArgumentNullException>(oDataController != null);
// Contract.Requires<ArgumentNullException>(completionTask != null);
// ChangeSetContext changeSetContext = oDataController.Request.GetChangeSetContext();
// if (changeSetContext == null)
// { // Not in a ChangeSet, so execute completionTask immediately
// return completionTask;
// }
// else
// {
// changeSetContext.AddOnChangeSetSuccessTask(completionTask);
// return new Task<HttpResponseMessage>(() => new HttpResponseMessage(HttpStatusCode.Accepted)
// { Content = new StringContent("Changeset action method called; pending completion task.") });
// }
//}
public static Task OnChangeSetSuccess(this ODataController oDataController, Task completionTask)
{
Contract.Requires <ArgumentNullException>(oDataController != null);
Contract.Requires <ArgumentNullException>(completionTask != null);
ChangeSetContext changeSetContext = oDataController.Request.GetChangeSetContext();
if (changeSetContext == null)
{ // Not in a ChangeSet, so return completionTask so it is executed next
return(completionTask);
}
else
{
changeSetContext.AddOnChangeSetSuccessTask(completionTask);
return(Task.FromResult(true));
}
}
internal static ContentIdRecord GetReferencedContentIdEntity(HttpRequestMessage requestMessage)
{
Contract.Assert(requestMessage != null);
ChangeSetContext changeSetContext = requestMessage.GetChangeSetContext();
string initialRequestUri = requestMessage.GetInitialChangeSetRequestUri();
List <int> contentIds;
if ((changeSetContext == null) ||
(initialRequestUri == null) ||
!TryExtractContentIdReferences(initialRequestUri, out contentIds))
{
return(null);
}
Contract.Assert(contentIds.Count == 1);
int requestContentId = contentIds[0];
return(changeSetContext.GetContentIdRecord(requestContentId));
}
public static bool ContentIdReferenceToEntity(this HttpRequestMessage request, string reference, out object referencedEntity)
{
referencedEntity = null;
int contentId;
if (!ContentIdHelper.TryParseContentIdReference(reference, out contentId))
{
return(false);
}
ChangeSetContext changeSetContext = request.GetChangeSetContext();
if (changeSetContext != null)
{
ContentIdRecord contentIdRecord = changeSetContext.GetContentIdRecord(contentId);
if (contentIdRecord != null)
{
referencedEntity = contentIdRecord.Entity;
}
}
return(referencedEntity != null);
}
internal static void StoreLocationHeaderForContentId(HttpResponseMessage response, ChangeSetContext changeSetContext)
{
int?requestContentId = response.RequestMessage.ContentId();
if (requestContentId.HasValue)
{
if (response.Headers.Location != null)
{
changeSetContext.GetContentIdRecord(requestContentId.Value).Location = response.Headers.Location.AbsoluteUri;
}
}
}
