public static QueryResult Parse(JToken response, Uri nextLink, bool validate)
{
var result = new QueryResult() { Response = response };
long? inlineCount = null;
// Try and get the values as an array
result.Values = response as JArray;
if (result.Values == null && response is JObject)
{
// Otherwise try and get the values from the results property
// (which is the case when we retrieve the count inline)
result.Values = response[InlineCountResultsKey] as JArray;
inlineCount = response.Value<long?>(InlineCountCountKey);
if (result.Values == null && validate)
{
string responseStr = response != null ? response.ToString() : "null";
throw new InvalidOperationException(String.Format(CultureInfo.InvariantCulture,
Resources.MobileServiceTable_ExpectedArray,
responseStr));
}
else if (result.Values == null)
{
result.Values = new JArray(response);
}
}
// Get the count via the inline count or default an unspecified count to -1
result.TotalCount = inlineCount.GetValueOrDefault(-1L);
result.NextLink = nextLink;
return result;
}
private bool EndOfResult(QueryResult result)
{
// if we got as many as we initially wanted
// or there are no more results
// then we're at the end
return cursor.Complete || result.Values.Count == 0;
}
// follows next links in the query result and returns final result
private async Task<QueryResult> FollowNextLinks(QueryResult result)
{
while (!this.EndOfResult(result) && // if we are not at the end of result
IsNextLinkValid(result.NextLink, this.options)) // and there is a valid link to get more results
{
this.CancellationToken.ThrowIfCancellationRequested();
result = await this.Table.ReadAsync(result.NextLink);
await this.ProcessAll(result.Values); // process the results as soon as we've gotten them
}
return result;
}