/// <summary>
/// Get specified count of entities from first feed of service document.
/// </summary>
/// <param name="context">The service document context.</param>
/// <returns>Returns an entity URLs's list.</returns>
public static bool GetBatchSupportedEntityUrls(out KeyValuePair <string, IEnumerable <string> > entityUrls)
{
entityUrls = new KeyValuePair <string, IEnumerable <string> >();
var svcStatus = ServiceStatus.GetInstance();
List <string> vocDocs = new List <string>()
{
TermDocuments.GetInstance().VocCapabilitiesDoc
};
var payloadFormat = svcStatus.ServiceDocument.GetFormatFromPayload();
var batchSupportedEntitySetUrls = new List <string>();
var batchSupportedEntitySetNames = AnnotationsHelper.SelectEntitySetSupportBatch(svcStatus.MetadataDocument, vocDocs);
batchSupportedEntitySetNames.ForEach(temp => { batchSupportedEntitySetUrls.Add(temp.MapEntitySetNameToEntitySetURL()); });
var entitySetUrls = ContextHelper.GetFeeds(svcStatus.ServiceDocument, payloadFormat).ToArray();
if (entitySetUrls.Any())
{
string entitySetUrl = string.Empty;
foreach (var setUrl in entitySetUrls)
{
try
{
string entityTypeShortName = setUrl.MapEntitySetURLToEntityTypeShortName();
if (batchSupportedEntitySetUrls.Contains(setUrl) && !entityTypeShortName.IsMediaType())
{
entitySetUrl = setUrl;
break;
}
}
catch (Exception ex)
{
throw ex;
string test = ex.Message;
}
}
if (string.IsNullOrEmpty(entitySetUrl))
{
return(false);
}
string url = string.Format("{0}/{1}?$top=1", svcStatus.RootURL.TrimEnd('/'), entitySetUrl);
Response response = WebHelper.Get(new Uri(url), Constants.V4AcceptHeaderJsonFullMetadata, RuleEngineSetting.Instance().DefaultMaximumPayloadSize, svcStatus.DefaultHeaders);
payloadFormat = response.ResponsePayload.GetFormatFromPayload();
var payloadType = ContextHelper.GetPayloadType(response.ResponsePayload, payloadFormat, response.ResponseHeaders);
if (payloadType == RuleEngine.PayloadType.Feed)
{
entityUrls = new KeyValuePair <string, IEnumerable <string> >(entitySetUrl, ContextHelper.GetEntries(response.ResponsePayload, payloadFormat));
return(true);
}
}
return(false);
}