/// <summary>
/// This implementation should not leak into the core Queryable code. It is dependent on the specific protocol
/// used to communicate with the other partitions (HTTP over ReverseProxy), and should be hidden behind an interface.
/// </summary>
private static async Task <IEnumerable <JToken> > QueryPartitionAsync(Partition partition,
StatefulServiceContext context, string collection, IEnumerable <KeyValuePair <string, string> > query, CancellationToken cancellationToken)
{
string endpoint = await StatefulServiceUtils.GetPartitionEndpointAsync(context, partition).ConfigureAwait(false);
string content = await StatefulServiceUtils.QueryPartitionAsync(endpoint, partition.PartitionInformation.Id, collection, query).ConfigureAwait(false);
var result = JsonConvert.DeserializeObject <ODataResult>(content);
return(result.Value);
}
private async Task ForwardQueryCollectionAsync(HttpContext httpContext, StatefulServiceContext serviceContext, IReliableStateManager stateManager, string collection, Guid partitionId)
{
// Forward the request to the correct partition.
var queryParameters = httpContext.Request.Query.Select(q => new KeyValuePair <string, string>(q.Key, q.Value));
string endpoint = await StatefulServiceUtils.GetPartitionEndpointAsync(serviceContext, partitionId).ConfigureAwait(false);
string content = await StatefulServiceUtils.QueryPartitionAsync(endpoint, partitionId, collection, queryParameters);
httpContext.Response.ContentType = "application/json";
httpContext.Response.StatusCode = (int)HttpStatusCode.OK;
// Write the response.
await httpContext.Response.WriteAsync(content).ConfigureAwait(false);
}