public int EstimateCount(Uri resourceUri, Filter filter, IEnumerable <Selector> selectors) { using (ClientContext <IWSEnumerationContract> ctx = new ClientContext <IWSEnumerationContract>(_endpointUri, _binding.MessageVersion.Addressing, _proxyFactory, mx => { mx.Add(new ResourceUriHeader(resourceUri.ToString())); mx.Add(new SelectorSetHeader(selectors)); })) { OperationContextProxy.Current.AddHeader(new RequestTotalItemsCountEstimate()); FilterMapExtension.Activate(_filterMap); EnumerationModeExtension.Activate(EnumerationMode.EnumerateEPR, null); ctx.Channel.Enumerate(new EnumerateRequest { EnumerationMode = EnumerationMode.EnumerateEPR, OptimizeEnumeration = _optimize ? new OptimizeEnumeration() : null, Filter = filter, }); TotalItemsCountEstimate totalItemsCountEstimate = OperationContextProxy.Current.FindHeader <TotalItemsCountEstimate>(); return(totalItemsCountEstimate.Value); } }
private PullResponse PullNextEPRBatch(EnumerationContextKey context, string resourceUri, int maxElements, IEnumerable <Selector> selectors) { using (ClientContext <IWSEnumerationContract> ctx = new ClientContext <IWSEnumerationContract>(_endpointUri, _binding.MessageVersion.Addressing, _proxyFactory, mx => { mx.Add(new ResourceUriHeader(resourceUri)); mx.Add(new SelectorSetHeader(selectors)); })) { FilterMapExtension.Activate(_filterMap); EnumerationModeExtension.Activate(EnumerationMode.EnumerateEPR, null); return(ctx.Channel.Pull(new PullRequest { EnumerationContext = context, MaxElements = new MaxElements(maxElements) })); } }
public IEnumerable <EndpointAddress> EnumerateEPR(Uri resourceUri, Filter filter, int maxElements, IEnumerable <Selector> selectors) { EnumerateResponse response; using (ClientContext <IWSEnumerationContract> ctx = new ClientContext <IWSEnumerationContract>(_endpointUri, _binding.MessageVersion.Addressing, _proxyFactory, mx => { mx.Add(new ResourceUriHeader(resourceUri.ToString())); mx.Add(new SelectorSetHeader(selectors)); })) { FilterMapExtension.Activate(_filterMap); EnumerationModeExtension.Activate(EnumerationMode.EnumerateEPR, null); response = ctx.Channel.Enumerate(new EnumerateRequest { EnumerationMode = EnumerationMode.EnumerateEPR, OptimizeEnumeration = _optimize ? new OptimizeEnumeration() : null, Filter = filter, MaxElements = new MaxElements(maxElements) }); } if (response.Items != null) { foreach (EnumerationItem item in response.Items.Items) { yield return(item.EprValue); } } EnumerationContextKey context = response.EnumerationContext; bool endOfSequence = response.EndOfSequence != null; while (!endOfSequence) { PullResponse pullResponse = PullNextEPRBatch(context, resourceUri.ToString(), maxElements, selectors); foreach (EnumerationItem item in pullResponse.Items.Items) { yield return(item.EprValue); } endOfSequence = pullResponse.EndOfSequence != null; context = pullResponse.EnumerationContext; } }
public object AfterReceiveRequest(ref Message request, IClientChannel channel, InstanceContext instanceContext) { FilterMapExtension.Activate(_map); return(null); }