/// <summary>
/// Initializes a new instance of the SearchResultCollection class
/// </summary>
/// <param name="response">The initial enumeration response from the Resource Management Service</param>
/// <param name="pageSize">The page size used in the search operation</param>
/// <param name="searchClient">The client proxy used for performing the search</param>
/// <param name="client">The client used to convert response data into ResourceObjects</param>
/// <param name="locale">The localization culture that the search results are represented as</param>
internal SearchResultPager(EnumerateResponse response, int pageSize, SearchClient searchClient, ResourceManagementClient client, CultureInfo locale)
{
if (response == null)
{
throw new ArgumentNullException("response");
}
if (pageSize < 0)
{
throw new ArgumentException("The page size must be zero or greater", "pageSize");
}
if (searchClient == null)
{
throw new ArgumentNullException("client");
}
this.TotalCount = Convert.ToInt32(response.EnumerationDetail.Count);
this.client = client;
this.locale = locale;
this.context = response.EnumerationContext;
this.context.CurrentIndex = 0;
this.PageSize = pageSize;
this.searchClient = searchClient;
this.EndOfSequence = response.EndOfSequence != null;
}
internal static Message GenerateReleaseMessage(EnumerationContextType context)
{
Release op = new Release();
op.EnumerationContext = context;
return(Message.CreateMessage(MessageVersion.Soap12WSAddressing10, Namespaces.Release, new SerializerBodyWriter(op)));
}
internal static Message GeneratePullMessage(EnumerationContextType context, int pageSize)
{
Pull op = new Pull();
op.EnumerationContext = context;
op.MaxElements = pageSize.ToString();
return(Message.CreateMessage(MessageVersion.Soap12WSAddressing10, Namespaces.Pull, new SerializerBodyWriter(op)));
}
internal void Release(EnumerationContextType context)
{
using (Message releaseRequest = MessageComposer.GenerateReleaseMessage(context))
{
using (Message responseMessage = Release(releaseRequest))
{
releaseRequest.ThrowOnFault();
}
}
}
internal PullResponse Pull(EnumerationContextType context, int pageSize)
{
using (Message pullRequest = MessageComposer.GeneratePullMessage(context, pageSize))
{
using (Message responseMessage = this.Invoke((c) => c.Pull(pullRequest)))
{
responseMessage.ThrowOnFault();
PullResponse pullResponseTyped = responseMessage.DeserializeMessageWithPayload <PullResponse>();
return(pullResponseTyped);
}
}
}
internal void Release(EnumerationContextType context)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
using (Message releaseRequest = MessageComposer.GenerateReleaseMessage(context))
{
using (Message responseMessage = this.Release(releaseRequest))
{
responseMessage.ThrowOnFault();
}
}
}
/// <summary>
/// Gets the next page of search results from the Resource Management Service
/// </summary>
/// <returns>An enumeration of the ResourceObjects in the page</returns>
public IEnumerable <ResourceObject> GetNextPage()
{
PullResponse r = this.searchClient.Pull(this.context, this.PageSize);
if (r.EndOfSequence != null)
{
this.EndOfSequence = true;
}
if (r.EnumerationContext != null)
{
this.context = r.EnumerationContext;
}
return(this.EnumerateResultSet(r.Items));
}
