/// <summary>
/// Submit the specified <see cref="EntityChangeSet"/> to the DomainService, with the results of the operation
/// being returned on the SubmitCompleted event args.
/// </summary>
/// <param name="changeSet">The changeset to submit. If the changeset is empty, an <see cref="InvalidOperationException"/> will
/// be thrown.</param>
/// <param name="cancellationToken"><see cref="CancellationToken"/> to be used for requesting cancellation</param>
/// <returns>The results returned by the submit request.</returns>
/// <exception cref="InvalidOperationException">The changeset is empty.</exception>
protected override Task <SubmitCompletedResult> SubmitAsyncCore(EntityChangeSet changeSet, CancellationToken cancellationToken)
{
IEnumerable <ChangeSetEntry> submitOperations = changeSet.GetChangeSetEntries();
TContract channel = this.ChannelFactory.CreateChannel();
return(CallServiceOperation <SubmitCompletedResult>(channel,
"SubmitChanges",
new Dictionary <string, object>()
{
{ "changeSet", submitOperations }
},
(state, asyncResult) =>
{
try
{
var returnValue = (IEnumerable <ChangeSetEntry>)EndServiceOperationCall(state, asyncResult);
return new SubmitCompletedResult(changeSet, returnValue ?? Enumerable.Empty <ChangeSetEntry>());
}
catch (FaultException <DomainServiceFault> fe)
{
throw WebDomainClient <TContract> .GetExceptionFromServiceFault(fe.Detail);
}
}, cancellationToken));
}
/// <summary>
/// Submit the specified <see cref="EntityChangeSet"/> to the DomainService, with the results of the operation
/// being returned on the SubmitCompleted event args.
/// </summary>
/// <param name="changeSet">The changeset to submit. If the changeset is empty, an <see cref="InvalidOperationException"/> will
/// be thrown.</param>
/// <param name="callback">The callback to invoke when the submit has been executed.</param>
/// <param name="userState">Optional state that will flow through to the SubmitCompleted event</param>
/// <returns>An asynchronous result that identifies this submit.</returns>
/// <exception cref="InvalidOperationException">The changeset is empty.</exception>
/// <exception cref="InvalidOperationException">The specified query does not exist.</exception>
protected sealed override IAsyncResult BeginSubmitCore(EntityChangeSet changeSet, AsyncCallback callback, object userState)
{
MethodInfo beginSubmitMethod = WebDomainClient <TContract> .ResolveBeginMethod("SubmitChanges");
MethodInfo endSubmitMethod = WebDomainClient <TContract> .ResolveEndMethod("SubmitChanges");
IEnumerable <ChangeSetEntry> submitOperations = changeSet.GetChangeSetEntries();
TContract channel = this.ChannelFactory.CreateChannel();
WebDomainClientAsyncResult <TContract> wcfAsyncResult = WebDomainClientAsyncResult <TContract> .CreateSubmitResult(this, channel, endSubmitMethod, changeSet, submitOperations.ToList(), callback, userState);
object[] parameters =
{
submitOperations,
new AsyncCallback(delegate(IAsyncResult asyncResponseResult)
{
wcfAsyncResult.InnerAsyncResult = asyncResponseResult;
wcfAsyncResult.Complete();
}),
userState
};
IAsyncResult asyncResult;
try
{
asyncResult = (IAsyncResult)beginSubmitMethod.Invoke(channel, parameters);
}
catch (TargetInvocationException tie)
{
if (tie.InnerException != null)
{
throw tie.InnerException;
}
throw;
}
if (!asyncResult.CompletedSynchronously)
{
wcfAsyncResult.InnerAsyncResult = asyncResult;
}
return(wcfAsyncResult);
}
