public void ChangeFeedRequestOptions_AddsFeedRange()
{
FeedRange feedRange = new FeedRangePartitionKeyRange("randomPK");
ChangeFeedStartFrom[] froms = new ChangeFeedStartFrom[]
{
ChangeFeedStartFrom.Beginning(feedRange),
ChangeFeedStartFrom.Now(feedRange),
ChangeFeedStartFrom.Time(DateTime.MinValue.ToUniversalTime(), feedRange)
};
foreach (ChangeFeedStartFrom from in froms)
{
RequestMessage request = new RequestMessage();
ChangeFeedStartFromRequestOptionPopulator visitor = new ChangeFeedStartFromRequestOptionPopulator(request);
from.Accept(visitor);
Assert.AreEqual(
expected: "randomPK",
actual: request.PartitionKeyRangeId.PartitionKeyRangeId);
}
}
public static bool TryParse(
JObject jObject,
JsonSerializer serializer,
out FeedRangeInternal feedRangeInternal)
{
if (FeedRangeEPK.TryParse(jObject, serializer, out feedRangeInternal))
{
return(true);
}
if (FeedRangePartitionKey.TryParse(jObject, serializer, out feedRangeInternal))
{
return(true);
}
if (FeedRangePartitionKeyRange.TryParse(jObject, serializer, out feedRangeInternal))
{
return(true);
}
feedRangeInternal = null;
return(false);
}
public void Visit(FeedRangePartitionKeyRange feedRange)
{
this.request.PartitionKeyRangeId = new Documents.PartitionKeyRangeIdentity(feedRange.PartitionKeyRangeId);
}
public async Task <IReadOnlyList <Documents.Routing.Range <string> > > VisitAsync(FeedRangePartitionKeyRange feedRange, CancellationToken cancellationToken = default)
{
// Migration from PKRangeId scenario
Routing.PartitionKeyRangeCache partitionKeyRangeCache = await this.container.ClientContext.DocumentClient.GetPartitionKeyRangeCacheAsync();
return(await feedRange.GetEffectiveRangesAsync(
routingMapProvider : partitionKeyRangeCache,
containerRid : await this.container.GetRIDAsync(cancellationToken),
partitionKeyDefinition : null));
}
public void Visit(FeedRangePartitionKeyRange feedRange)
{
ChangeFeedRequestOptions.FillPartitionKeyRangeId(this.request, feedRange.PartitionKeyRangeId);
}
public static TryCatch <FeedRangeInternal> MonadicCreateFromCosmosElement(CosmosElement cosmosElement)
{
if (cosmosElement == null)
{
throw new ArgumentNullException(nameof(cosmosElement));
}
if (!(cosmosElement is CosmosObject cosmosObject))
{
return(TryCatch <FeedRangeInternal> .FromException(
new FormatException($"Expected object for feed range: {cosmosElement}.")));
}
if (!cosmosObject.TryGetValue(TypePropertyName, out CosmosString typeProperty))
{
return(TryCatch <FeedRangeInternal> .FromException(
new FormatException($"expected string type property for feed range: {cosmosElement}.")));
}
if (!cosmosObject.TryGetValue(ValuePropertyName, out CosmosElement valueProperty))
{
return(TryCatch <FeedRangeInternal> .FromException(
new FormatException($"expected value property for feed range: {cosmosElement}.")));
}
FeedRangeInternal feedRange;
switch (typeProperty.Value)
{
case LogicalPartitionKey:
{
if (!(valueProperty is CosmosString stringValueProperty))
{
return(TryCatch <FeedRangeInternal> .FromException(
new FormatException($"expected string value property for logical partition key feed range: {cosmosElement}.")));
}
if (!PartitionKey.TryParseJsonString(stringValueProperty.Value, out PartitionKey partitionKey))
{
return(TryCatch <FeedRangeInternal> .FromException(
new FormatException($"failed to parse logical partition key value: {stringValueProperty.Value}.")));
}
feedRange = new FeedRangePartitionKey(partitionKey);
}
break;
case PhysicalPartitionKeyRangeId:
{
if (!(valueProperty is CosmosString stringValueProperty))
{
return(TryCatch <FeedRangeInternal> .FromException(
new FormatException($"expected string value property for physical partition key feed range: {cosmosElement}.")));
}
feedRange = new FeedRangePartitionKeyRange(stringValueProperty.Value);
}
break;
case EffectivePartitionKeyRange:
{
if (!(valueProperty is CosmosObject objectValueProperty))
{
return(TryCatch <FeedRangeInternal> .FromException(
new FormatException($"expected object value property for effective partition key range feed range: {cosmosElement}.")));
}
if (!objectValueProperty.TryGetValue(MinPropertyName, out CosmosString minPartitionKeyValue))
{
return(TryCatch <FeedRangeInternal> .FromException(
new FormatException($"expected string value property for min effective partition key value: {cosmosElement}.")));
}
if (!objectValueProperty.TryGetValue(MaxPropertyName, out CosmosString maxPartitionKeyValue))
{
return(TryCatch <FeedRangeInternal> .FromException(
new FormatException($"expected string value property for max effective partition key value: {cosmosElement}.")));
}
feedRange = new FeedRangeEpk(
new Documents.Routing.Range <string>(
min: minPartitionKeyValue.Value,
max: maxPartitionKeyValue.Value,
isMinInclusive: true,
isMaxInclusive: false));
}
break;
default:
throw new InvalidOperationException($"unexpected feed range type: {typeProperty.Value}");
}
return(TryCatch <FeedRangeInternal> .FromResult(feedRange));
}