public async Task Put()
        {
            using (ContextPool.AllocateOperationContext(out DocumentsOperationContext context))
            {
                var input = await context.ReadForMemoryAsync(RequestBodyStream(), "Sorters");

                if (input.TryGet("Sorters", out BlittableJsonReaderArray sorters) == false)
                {
                    ThrowRequiredPropertyNameInRequest("Sorters");
                }

                var command = new PutSortersCommand(Database.Name, GetRaftRequestIdFromQuery());
                foreach (var sorterToAdd in sorters)
                {
                    var sorterDefinition = JsonDeserializationServer.SorterDefinition((BlittableJsonReaderObject)sorterToAdd);
                    sorterDefinition.Name = sorterDefinition.Name?.Trim();

                    if (LoggingSource.AuditLog.IsInfoEnabled)
                    {
                        var clientCert = GetCurrentCertificate();

                        var auditLog = LoggingSource.AuditLog.GetLogger(Database.Name, "Audit");
                        auditLog.Info($"Sorter {sorterDefinition.Name} PUT by {clientCert?.Subject} {clientCert?.Thumbprint} with definition: {sorterToAdd}");
                    }

                    if (string.IsNullOrWhiteSpace(sorterDefinition.Name))
                    {
                        throw new ArgumentException($"Sorter must have a '{nameof(SorterDefinition.Name)}' field");
                    }

                    if (string.IsNullOrWhiteSpace(sorterDefinition.Code))
                    {
                        throw new ArgumentException($"Sorter must have a '{nameof(SorterDefinition.Code)}' field");
                    }

                    // check if sorter is compilable
                    SorterCompilationCache.AddSorter(sorterDefinition, Database.Name);

                    command.Sorters.Add(sorterDefinition);
                }

                var index = (await ServerStore.SendToLeaderAsync(command)).Index;

                await Database.RachisLogIndexNotifications.WaitForIndexNotification(index, ServerStore.Engine.OperationTimeout);

                NoContentStatus();

                HttpContext.Response.StatusCode = (int)HttpStatusCode.Created;
            }
        }
 public CustomComparatorSource(string sorterName, string databaseName, IndexQueryServerSide query)
 {
     _query     = query;
     _activator = SorterCompilationCache.GetSorter(sorterName, databaseName);
 }