/// <summary>
        /// Creates <see cref="JobBlockingPolicyManager"/>.
        /// Specify <see cref="oldVersionedPropertyStore"/> when IS is used in a multi-tenant cluster (E.g. RP cluster)
        /// where each IS service communicates with one FC. In that case, we want individual job blocking policies for each IS service.
        /// If this parameter is <c>null</c>, then the same job blocking policy is shared across all IS services in a multi-tenant cluster.
        /// </summary>
        public static async Task <IJobBlockingPolicyManager> CreateAsync(
            TraceType traceType,
            IVersionedPropertyStore versionedPropertyStore,
            IVersionedPropertyStore oldVersionedPropertyStore = null)
        {
            traceType.Validate("traceType");
            versionedPropertyStore.Validate("versionedPropertyStore");

            traceType.WriteInfo("Starting creation of {0}", typeof(JobBlockingPolicyManager).Name);

            var manager = new JobBlockingPolicyManager(versionedPropertyStore);

            var activityId = Guid.NewGuid();

            var versionedKeyValue = await ReadPropertyAsync(traceType, versionedPropertyStore, activityId).ConfigureAwait(false);

            if (versionedKeyValue == null)
            {
                string defaultPolicyValue = JobBlockingPolicy.BlockNone.ToString();

                if (oldVersionedPropertyStore != null)
                {
                    var oldVersionedKeyValue = await ReadPropertyAsync(traceType, oldVersionedPropertyStore, activityId).ConfigureAwait(false);

                    if (oldVersionedKeyValue != null)
                    {
                        defaultPolicyValue = oldVersionedKeyValue.Value;
                    }

                    traceType.WriteInfo(
                        "{0} properties '{1}={2}' and '{3}' {4} newer versioned property store.",
                        oldVersionedKeyValue != null ? "Migrating" : "Creating",
                        PolicyPropertyName, defaultPolicyValue, PolicyVersionName,
                        oldVersionedKeyValue != null ? "to" : "in");
                }

                try
                {
                    await versionedPropertyStore.UpdateValueAsync(
                        activityId,
                        PolicyPropertyName,
                        PolicyVersionName,
                        defaultPolicyValue).ConfigureAwait(false);
                }
                catch (FabricException ex)
                {
                    if (ex.ErrorCode != FabricErrorCode.WriteConflict)
                    {
                        traceType.WriteError("Properties '{0}' and '{1}' could not be updated. Exception: {2}",
                                             PolicyPropertyName, PolicyVersionName, ex);
                        throw;
                    }
                }
            }

            traceType.WriteInfo("Successfully created {0}", typeof(JobBlockingPolicyManager).Name);
            return(manager);
        }
        public IInfrastructureCoordinator Create()
        {
            IManagementClient managementClient;

            try
            {
                managementClient = new ManagementClientFactory().Create();
            }
            catch (Exception ex)
            {
                Trace.WriteError(TraceType, "Error creating management client. Cannot continue further. Exception: {0}", ex);
                throw;
            }

            var retryPolicyFactory = new LinearRetryPolicyFactory(
                TraceType,
                Constants.BackoffPeriodInMilliseconds,
                Constants.MaxRetryAttempts,
                AzureHelper.IsRetriableException);

            var versionedPropertyStore = VersionedPropertyStore.CreateAsync(
                Guid.NewGuid(),
                TraceType,
                new Uri(Constants.StoreName),
                new PropertyManagerWrapper(), retryPolicyFactory).GetAwaiter().GetResult();

            var configSection            = new ConfigSection(TraceType, configStore, configSectionName);
            var jobBlockingPolicyManager = JobBlockingPolicyManager.CreateAsync(TraceType, versionedPropertyStore).GetAwaiter().GetResult();
            var jobImpactManager         = new JobImpactManager(configSection, new ServiceFabricQueryClient(TraceType));

            var coordinator = new WindowsAzureInfrastructureCoordinator(
                AzureHelper.GetTenantId(configSection),
                managementClient,
                agent,
                configStore,
                configSectionName,
                partitionId,
                replicaId,
                new ServiceFabricHealthClient(),
                jobBlockingPolicyManager,
                jobImpactManager,
                this.modeDetector);

            return(coordinator);
        }