public static LogEntry For(QueryNextRequest request)
{
LogEntry entry = new LogEntry("QueryNextRequest");
entry.Add("RequestHeader", For(request.RequestHeader));
entry.Add("ReleaseContinuationPoint", For(request.ReleaseContinuationPoint));
return(entry);
}
public async Task QueryNextAsync()
{
var response = new QueryNextResponse();
var request = new QueryNextRequest();
var channel = new TestRequestChannel(response);
var ret = await channel.QueryNextAsync(request);
ret
.Should().BeSameAs(response);
channel.Request
.Should().BeSameAs(request);
}
/// <summary>
/// Requests the next set of Query responses, when the information is too large to be sent in a single response.
/// </summary>
/// <param name="channel">A instance of <see cref="IRequestChannel"/>.</param>
/// <param name="request">A <see cref="QueryNextRequest"/>.</param>
/// <returns>A <see cref="Task"/> representing the asynchronous operation that returns a <see cref="QueryNextResponse"/>.</returns>
public static async Task <QueryNextResponse> QueryNextAsync(this IRequestChannel channel, QueryNextRequest request)
{
if (request == null)
{
throw new ArgumentNullException("request");
}
return((QueryNextResponse)await channel.RequestAsync(request).ConfigureAwait(false));
}
/// <summary>
/// Begins an asynchronous invocation of the QueryNext service.
/// </summary>
public IAsyncResult BeginQueryNext(
RequestHeader requestHeader,
bool releaseContinuationPoint,
byte[] continuationPoint,
AsyncCallback callback,
object asyncState)
{
QueryNextRequest request = new QueryNextRequest();
request.RequestHeader = requestHeader;
request.ReleaseContinuationPoint = releaseContinuationPoint;
request.ContinuationPoint = continuationPoint;
UpdateRequestHeader(request, requestHeader == null, "QueryNext");
if (UseTransportChannel)
{
return TransportChannel.BeginSendRequest(request, callback, asyncState);
}
return InnerChannel.BeginQueryNext(new QueryNextMessage(request), callback, asyncState);
}
/// <summary>
/// Invokes the QueryNext service.
/// </summary>
public virtual ResponseHeader QueryNext(
RequestHeader requestHeader,
bool releaseContinuationPoint,
byte[] continuationPoint,
out QueryDataSetCollection queryDataSets,
out byte[] revisedContinuationPoint)
{
QueryNextRequest request = new QueryNextRequest();
QueryNextResponse response = null;
request.RequestHeader = requestHeader;
request.ReleaseContinuationPoint = releaseContinuationPoint;
request.ContinuationPoint = continuationPoint;
UpdateRequestHeader(request, requestHeader == null, "QueryNext");
try
{
if (UseTransportChannel)
{
IServiceResponse genericResponse = TransportChannel.SendRequest(request);
if (genericResponse == null)
{
throw new ServiceResultException(StatusCodes.BadUnknownResponse);
}
ValidateResponse(genericResponse.ResponseHeader);
response = (QueryNextResponse)genericResponse;
}
else
{
QueryNextResponseMessage responseMessage = InnerChannel.QueryNext(new QueryNextMessage(request));
if (responseMessage == null || responseMessage.QueryNextResponse == null)
{
throw new ServiceResultException(StatusCodes.BadUnknownResponse);
}
response = responseMessage.QueryNextResponse;
ValidateResponse(response.ResponseHeader);
}
queryDataSets = response.QueryDataSets;
revisedContinuationPoint = response.RevisedContinuationPoint;
}
finally
{
RequestCompleted(request, response, "QueryNext");
}
return response.ResponseHeader;
}
/// <summary>
/// Requests the next set of Query responses, when the information is too large to be sent in a single response.
/// </summary>
/// <param name="channel">A instance of <see cref="IRequestChannel"/>.</param>
/// <param name="request">A <see cref="QueryNextRequest"/>.</param>
/// <returns>A <see cref="Task"/> representing the asynchronous operation that returns a <see cref="QueryNextResponse"/>.</returns>
public static async Task <QueryNextResponse> QueryNextAsync(this IRequestChannel channel, QueryNextRequest request, CancellationToken token = default)
{
if (request == null)
{
throw new ArgumentNullException(nameof(request));
}
return((QueryNextResponse)await channel.RequestAsync(request, token).ConfigureAwait(false));
}
/// <summary>
/// Initializes the message with the body.
/// </summary>
public QueryNextMessage(QueryNextRequest QueryNextRequest)
{
this.QueryNextRequest = QueryNextRequest;
}
