private async Task <List <PartitionKeyRange> > EnumPartitionKeyRangesAsync()
{
string containerUri = this.container.LinkUri.ToString();
string partitionKeyRangesPath = string.Format(CultureInfo.InvariantCulture, "{0}/pkranges", containerUri);
IFeedResponse <PartitionKeyRange> response = null;
List <PartitionKeyRange> partitionKeyRanges = new List <PartitionKeyRange>();
do
{
FeedOptions feedOptions = new FeedOptions
{
MaxItemCount = this.maxBatchSize,
RequestContinuation = response?.ResponseContinuation,
};
response = await this.container.ClientContext.DocumentClient.ReadPartitionKeyRangeFeedAsync(containerUri, feedOptions).ConfigureAwait(false);
IEnumerator <PartitionKeyRange> enumerator = response.GetEnumerator();
while (enumerator.MoveNext())
{
partitionKeyRanges.Add(enumerator.Current);
}
}while (!string.IsNullOrEmpty(response.ResponseContinuation));
return(partitionKeyRanges);
}
private static Document GetFirstDocument(IFeedResponse <Document> response)
{
using (IEnumerator <Document> e = response.GetEnumerator())
{
while (e.MoveNext())
{
return(e.Current);
}
}
return(null);
}
private Task DispatchChanges(IFeedResponse <Document> response, CancellationToken cancellationToken)
{
IChangeFeedObserverContext context = new ChangeFeedObserverContext(this.settings.PartitionKeyRangeId, response, this.checkpointer);
var docs = new List <Document>(response.Count);
using (IEnumerator <Document> e = response.GetEnumerator())
{
while (e.MoveNext())
{
docs.Add(e.Current);
}
}
return(this.observer.ProcessChangesAsync(context, docs, cancellationToken));
}
private Task DispatchChanges(IFeedResponse <T> response, CancellationToken cancellationToken)
{
ChangeFeedObserverContext context = new ChangeFeedObserverContextCore <T>(this.settings.LeaseToken, response, this.checkpointer);
List <T> docs = new List <T>(response.Count);
using (IEnumerator <T> e = response.GetEnumerator())
{
while (e.MoveNext())
{
docs.Add(e.Current);
}
}
return(this.observer.ProcessChangesAsync(context, docs, cancellationToken));
}
