databaseaccounts.go

package documentdb

// Copyright (c) Microsoft and contributors.  All rights reserved.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//
// See the License for the specific language governing permissions and
// limitations under the License.
//
// Code generated by Microsoft (R) AutoRest Code Generator.
// Changes may cause incorrect behavior and will be lost if the code is regenerated.

import (
	"context"
	"github.com/Azure/go-autorest/autorest"
	"github.com/Azure/go-autorest/autorest/azure"
	"github.com/Azure/go-autorest/autorest/validation"
	"github.com/Azure/go-autorest/tracing"
	"net/http"
)

// DatabaseAccountsClient is the azure Cosmos DB Database Service Resource Provider REST API
type DatabaseAccountsClient struct {
	BaseClient
}

// NewDatabaseAccountsClient creates an instance of the DatabaseAccountsClient client.
func NewDatabaseAccountsClient(subscriptionID string) DatabaseAccountsClient {
	return NewDatabaseAccountsClientWithBaseURI(DefaultBaseURI, subscriptionID)
}

// NewDatabaseAccountsClientWithBaseURI creates an instance of the DatabaseAccountsClient client using a custom
// endpoint.  Use this when interacting with an Azure cloud that uses a non-standard base URI (sovereign clouds, Azure
// stack).
func NewDatabaseAccountsClientWithBaseURI(baseURI string, subscriptionID string) DatabaseAccountsClient {
	return DatabaseAccountsClient{NewWithBaseURI(baseURI, subscriptionID)}
}

// CheckNameExists checks that the Azure Cosmos DB account name already exists. A valid account name may contain only
// lowercase letters, numbers, and the '-' character, and must be between 3 and 50 characters.
// Parameters:
// accountName - cosmos DB database account name.
func (client DatabaseAccountsClient) CheckNameExists(ctx context.Context, accountName string) (result autorest.Response, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/DatabaseAccountsClient.CheckNameExists")
		defer func() {
			sc := -1
			if result.Response != nil {
				sc = result.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	if err := validation.Validate([]validation.Validation{
		{TargetValue: accountName,
			Constraints: []validation.Constraint{{Target: "accountName", Name: validation.MaxLength, Rule: 50, Chain: nil},
				{Target: "accountName", Name: validation.MinLength, Rule: 3, Chain: nil},
				{Target: "accountName", Name: validation.Pattern, Rule: `^[a-z0-9]+(-[a-z0-9]+)*`, Chain: nil}}}}); err != nil {
		return result, validation.NewError("documentdb.DatabaseAccountsClient", "CheckNameExists", err.Error())
	}

	req, err := client.CheckNameExistsPreparer(ctx, accountName)
	if err != nil {
		err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsClient", "CheckNameExists", nil, "Failure preparing request")
		return
	}

	resp, err := client.CheckNameExistsSender(req)
	if err != nil {
		result.Response = resp
		err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsClient", "CheckNameExists", resp, "Failure sending request")
		return
	}

	result, err = client.CheckNameExistsResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsClient", "CheckNameExists", resp, "Failure responding to request")
		return
	}

	return
}

// CheckNameExistsPreparer prepares the CheckNameExists request.
func (client DatabaseAccountsClient) CheckNameExistsPreparer(ctx context.Context, accountName string) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"accountName": autorest.Encode("path", accountName),
	}

	const APIVersion = "2019-08-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsHead(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/providers/Microsoft.DocumentDB/databaseAccountNames/{accountName}", pathParameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// CheckNameExistsSender sends the CheckNameExists request. The method will close the
// http.Response Body if it receives an error.
func (client DatabaseAccountsClient) CheckNameExistsSender(req *http.Request) (*http.Response, error) {
	return client.Send(req, autorest.DoRetryForStatusCodes(client.RetryAttempts, client.RetryDuration, autorest.StatusCodesForRetry...))
}

// CheckNameExistsResponder handles the response to the CheckNameExists request. The method always
// closes the http.Response Body.
func (client DatabaseAccountsClient) CheckNameExistsResponder(resp *http.Response) (result autorest.Response, err error) {
	err = autorest.Respond(
		resp,
		azure.WithErrorUnlessStatusCode(http.StatusOK, http.StatusNotFound),
		autorest.ByClosing())
	result.Response = resp
	return
}

// CreateOrUpdate creates or updates an Azure Cosmos DB database account. The "Update" method is preferred when
// performing updates on an account.
// Parameters:
// resourceGroupName - name of an Azure resource group.
// accountName - cosmos DB database account name.
// createUpdateParameters - the parameters to provide for the current database account.
func (client DatabaseAccountsClient) CreateOrUpdate(ctx context.Context, resourceGroupName string, accountName string, createUpdateParameters DatabaseAccountCreateUpdateParameters) (result DatabaseAccountsCreateOrUpdateFuture, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/DatabaseAccountsClient.CreateOrUpdate")
		defer func() {
			sc := -1
			if result.FutureAPI != nil && result.FutureAPI.Response() != nil {
				sc = result.FutureAPI.Response().StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	if err := validation.Validate([]validation.Validation{
		{TargetValue: client.SubscriptionID,
			Constraints: []validation.Constraint{{Target: "client.SubscriptionID", Name: validation.MinLength, Rule: 1, Chain: nil}}},
		{TargetValue: resourceGroupName,
			Constraints: []validation.Constraint{{Target: "resourceGroupName", Name: validation.MaxLength, Rule: 90, Chain: nil},
				{Target: "resourceGroupName", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "resourceGroupName", Name: validation.Pattern, Rule: `^[-\w\._\(\)]+$`, Chain: nil}}},
		{TargetValue: accountName,
			Constraints: []validation.Constraint{{Target: "accountName", Name: validation.MaxLength, Rule: 50, Chain: nil},
				{Target: "accountName", Name: validation.MinLength, Rule: 3, Chain: nil},
				{Target: "accountName", Name: validation.Pattern, Rule: `^[a-z0-9]+(-[a-z0-9]+)*`, Chain: nil}}},
		{TargetValue: createUpdateParameters,
			Constraints: []validation.Constraint{{Target: "createUpdateParameters.DatabaseAccountCreateUpdateProperties", Name: validation.Null, Rule: true,
				Chain: []validation.Constraint{{Target: "createUpdateParameters.DatabaseAccountCreateUpdateProperties.ConsistencyPolicy", Name: validation.Null, Rule: false,
					Chain: []validation.Constraint{{Target: "createUpdateParameters.DatabaseAccountCreateUpdateProperties.ConsistencyPolicy.MaxStalenessPrefix", Name: validation.Null, Rule: false,
						Chain: []validation.Constraint{{Target: "createUpdateParameters.DatabaseAccountCreateUpdateProperties.ConsistencyPolicy.MaxStalenessPrefix", Name: validation.InclusiveMaximum, Rule: int64(2147483647), Chain: nil},
							{Target: "createUpdateParameters.DatabaseAccountCreateUpdateProperties.ConsistencyPolicy.MaxStalenessPrefix", Name: validation.InclusiveMinimum, Rule: int64(1), Chain: nil},
						}},
						{Target: "createUpdateParameters.DatabaseAccountCreateUpdateProperties.ConsistencyPolicy.MaxIntervalInSeconds", Name: validation.Null, Rule: false,
							Chain: []validation.Constraint{{Target: "createUpdateParameters.DatabaseAccountCreateUpdateProperties.ConsistencyPolicy.MaxIntervalInSeconds", Name: validation.InclusiveMaximum, Rule: int64(86400), Chain: nil},
								{Target: "createUpdateParameters.DatabaseAccountCreateUpdateProperties.ConsistencyPolicy.MaxIntervalInSeconds", Name: validation.InclusiveMinimum, Rule: int64(5), Chain: nil},
							}},
					}},
					{Target: "createUpdateParameters.DatabaseAccountCreateUpdateProperties.Locations", Name: validation.Null, Rule: true, Chain: nil},
					{Target: "createUpdateParameters.DatabaseAccountCreateUpdateProperties.DatabaseAccountOfferType", Name: validation.Null, Rule: true, Chain: nil},
				}}}}}); err != nil {
		return result, validation.NewError("documentdb.DatabaseAccountsClient", "CreateOrUpdate", err.Error())
	}

	req, err := client.CreateOrUpdatePreparer(ctx, resourceGroupName, accountName, createUpdateParameters)
	if err != nil {
		err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsClient", "CreateOrUpdate", nil, "Failure preparing request")
		return
	}

	result, err = client.CreateOrUpdateSender(req)
	if err != nil {
		err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsClient", "CreateOrUpdate", nil, "Failure sending request")
		return
	}

	return
}

// CreateOrUpdatePreparer prepares the CreateOrUpdate request.
func (client DatabaseAccountsClient) CreateOrUpdatePreparer(ctx context.Context, resourceGroupName string, accountName string, createUpdateParameters DatabaseAccountCreateUpdateParameters) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"accountName":       autorest.Encode("path", accountName),
		"resourceGroupName": autorest.Encode("path", resourceGroupName),
		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2019-08-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsContentType("application/json; charset=utf-8"),
		autorest.AsPut(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DocumentDB/databaseAccounts/{accountName}", pathParameters),
		autorest.WithJSON(createUpdateParameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// CreateOrUpdateSender sends the CreateOrUpdate request. The method will close the
// http.Response Body if it receives an error.
func (client DatabaseAccountsClient) CreateOrUpdateSender(req *http.Request) (future DatabaseAccountsCreateOrUpdateFuture, err error) {
	var resp *http.Response
	resp, err = client.Send(req, azure.DoRetryWithRegistration(client.Client))
	if err != nil {
		return
	}
	var azf azure.Future
	azf, err = azure.NewFutureFromResponse(resp)
	future.FutureAPI = &azf
	future.Result = func(client DatabaseAccountsClient) (dagr DatabaseAccountGetResults, err error) {
		var done bool
		done, err = future.DoneWithContext(context.Background(), client)
		if err != nil {
			err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsCreateOrUpdateFuture", "Result", future.Response(), "Polling failure")
			return
		}
		if !done {
			err = azure.NewAsyncOpIncompleteError("documentdb.DatabaseAccountsCreateOrUpdateFuture")
			return
		}
		sender := autorest.DecorateSender(client, autorest.DoRetryForStatusCodes(client.RetryAttempts, client.RetryDuration, autorest.StatusCodesForRetry...))
		dagr.Response.Response, err = future.GetResult(sender)
		if dagr.Response.Response == nil && err == nil {
			err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsCreateOrUpdateFuture", "Result", nil, "received nil response and error")
		}
		if err == nil && dagr.Response.Response.StatusCode != http.StatusNoContent {
			dagr, err = client.CreateOrUpdateResponder(dagr.Response.Response)
			if err != nil {
				err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsCreateOrUpdateFuture", "Result", dagr.Response.Response, "Failure responding to request")
			}
		}
		return
	}
	return
}

// CreateOrUpdateResponder handles the response to the CreateOrUpdate request. The method always
// closes the http.Response Body.
func (client DatabaseAccountsClient) CreateOrUpdateResponder(resp *http.Response) (result DatabaseAccountGetResults, err error) {
	err = autorest.Respond(
		resp,
		azure.WithErrorUnlessStatusCode(http.StatusOK),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}

// Delete deletes an existing Azure Cosmos DB database account.
// Parameters:
// resourceGroupName - name of an Azure resource group.
// accountName - cosmos DB database account name.
func (client DatabaseAccountsClient) Delete(ctx context.Context, resourceGroupName string, accountName string) (result DatabaseAccountsDeleteFuture, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/DatabaseAccountsClient.Delete")
		defer func() {
			sc := -1
			if result.FutureAPI != nil && result.FutureAPI.Response() != nil {
				sc = result.FutureAPI.Response().StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	if err := validation.Validate([]validation.Validation{
		{TargetValue: client.SubscriptionID,
			Constraints: []validation.Constraint{{Target: "client.SubscriptionID", Name: validation.MinLength, Rule: 1, Chain: nil}}},
		{TargetValue: resourceGroupName,
			Constraints: []validation.Constraint{{Target: "resourceGroupName", Name: validation.MaxLength, Rule: 90, Chain: nil},
				{Target: "resourceGroupName", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "resourceGroupName", Name: validation.Pattern, Rule: `^[-\w\._\(\)]+$`, Chain: nil}}},
		{TargetValue: accountName,
			Constraints: []validation.Constraint{{Target: "accountName", Name: validation.MaxLength, Rule: 50, Chain: nil},
				{Target: "accountName", Name: validation.MinLength, Rule: 3, Chain: nil},
				{Target: "accountName", Name: validation.Pattern, Rule: `^[a-z0-9]+(-[a-z0-9]+)*`, Chain: nil}}}}); err != nil {
		return result, validation.NewError("documentdb.DatabaseAccountsClient", "Delete", err.Error())
	}

	req, err := client.DeletePreparer(ctx, resourceGroupName, accountName)
	if err != nil {
		err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsClient", "Delete", nil, "Failure preparing request")
		return
	}

	result, err = client.DeleteSender(req)
	if err != nil {
		err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsClient", "Delete", nil, "Failure sending request")
		return
	}

	return
}

// DeletePreparer prepares the Delete request.
func (client DatabaseAccountsClient) DeletePreparer(ctx context.Context, resourceGroupName string, accountName string) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"accountName":       autorest.Encode("path", accountName),
		"resourceGroupName": autorest.Encode("path", resourceGroupName),
		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2019-08-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsDelete(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DocumentDB/databaseAccounts/{accountName}", pathParameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// DeleteSender sends the Delete request. The method will close the
// http.Response Body if it receives an error.
func (client DatabaseAccountsClient) DeleteSender(req *http.Request) (future DatabaseAccountsDeleteFuture, err error) {
	var resp *http.Response
	resp, err = client.Send(req, azure.DoRetryWithRegistration(client.Client))
	if err != nil {
		return
	}
	var azf azure.Future
	azf, err = azure.NewFutureFromResponse(resp)
	future.FutureAPI = &azf
	future.Result = func(client DatabaseAccountsClient) (ar autorest.Response, err error) {
		var done bool
		done, err = future.DoneWithContext(context.Background(), client)
		if err != nil {
			err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsDeleteFuture", "Result", future.Response(), "Polling failure")
			return
		}
		if !done {
			err = azure.NewAsyncOpIncompleteError("documentdb.DatabaseAccountsDeleteFuture")
			return
		}
		ar.Response = future.Response()
		return
	}
	return
}

// DeleteResponder handles the response to the Delete request. The method always
// closes the http.Response Body.
func (client DatabaseAccountsClient) DeleteResponder(resp *http.Response) (result autorest.Response, err error) {
	err = autorest.Respond(
		resp,
		azure.WithErrorUnlessStatusCode(http.StatusOK, http.StatusAccepted, http.StatusNoContent),
		autorest.ByClosing())
	result.Response = resp
	return
}

// FailoverPriorityChange changes the failover priority for the Azure Cosmos DB database account. A failover priority
// of 0 indicates a write region. The maximum value for a failover priority = (total number of regions - 1). Failover
// priority values must be unique for each of the regions in which the database account exists.
// Parameters:
// resourceGroupName - name of an Azure resource group.
// accountName - cosmos DB database account name.
// failoverParameters - the new failover policies for the database account.
func (client DatabaseAccountsClient) FailoverPriorityChange(ctx context.Context, resourceGroupName string, accountName string, failoverParameters FailoverPolicies) (result DatabaseAccountsFailoverPriorityChangeFuture, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/DatabaseAccountsClient.FailoverPriorityChange")
		defer func() {
			sc := -1
			if result.FutureAPI != nil && result.FutureAPI.Response() != nil {
				sc = result.FutureAPI.Response().StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	if err := validation.Validate([]validation.Validation{
		{TargetValue: client.SubscriptionID,
			Constraints: []validation.Constraint{{Target: "client.SubscriptionID", Name: validation.MinLength, Rule: 1, Chain: nil}}},
		{TargetValue: resourceGroupName,
			Constraints: []validation.Constraint{{Target: "resourceGroupName", Name: validation.MaxLength, Rule: 90, Chain: nil},
				{Target: "resourceGroupName", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "resourceGroupName", Name: validation.Pattern, Rule: `^[-\w\._\(\)]+$`, Chain: nil}}},
		{TargetValue: accountName,
			Constraints: []validation.Constraint{{Target: "accountName", Name: validation.MaxLength, Rule: 50, Chain: nil},
				{Target: "accountName", Name: validation.MinLength, Rule: 3, Chain: nil},
				{Target: "accountName", Name: validation.Pattern, Rule: `^[a-z0-9]+(-[a-z0-9]+)*`, Chain: nil}}},
		{TargetValue: failoverParameters,
			Constraints: []validation.Constraint{{Target: "failoverParameters.FailoverPolicies", Name: validation.Null, Rule: true, Chain: nil}}}}); err != nil {
		return result, validation.NewError("documentdb.DatabaseAccountsClient", "FailoverPriorityChange", err.Error())
	}

	req, err := client.FailoverPriorityChangePreparer(ctx, resourceGroupName, accountName, failoverParameters)
	if err != nil {
		err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsClient", "FailoverPriorityChange", nil, "Failure preparing request")
		return
	}

	result, err = client.FailoverPriorityChangeSender(req)
	if err != nil {
		err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsClient", "FailoverPriorityChange", nil, "Failure sending request")
		return
	}

	return
}

// FailoverPriorityChangePreparer prepares the FailoverPriorityChange request.
func (client DatabaseAccountsClient) FailoverPriorityChangePreparer(ctx context.Context, resourceGroupName string, accountName string, failoverParameters FailoverPolicies) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"accountName":       autorest.Encode("path", accountName),
		"resourceGroupName": autorest.Encode("path", resourceGroupName),
		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2019-08-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsContentType("application/json; charset=utf-8"),
		autorest.AsPost(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DocumentDB/databaseAccounts/{accountName}/failoverPriorityChange", pathParameters),
		autorest.WithJSON(failoverParameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// FailoverPriorityChangeSender sends the FailoverPriorityChange request. The method will close the
// http.Response Body if it receives an error.
func (client DatabaseAccountsClient) FailoverPriorityChangeSender(req *http.Request) (future DatabaseAccountsFailoverPriorityChangeFuture, err error) {
	var resp *http.Response
	resp, err = client.Send(req, azure.DoRetryWithRegistration(client.Client))
	if err != nil {
		return
	}
	var azf azure.Future
	azf, err = azure.NewFutureFromResponse(resp)
	future.FutureAPI = &azf
	future.Result = func(client DatabaseAccountsClient) (ar autorest.Response, err error) {
		var done bool
		done, err = future.DoneWithContext(context.Background(), client)
		if err != nil {
			err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsFailoverPriorityChangeFuture", "Result", future.Response(), "Polling failure")
			return
		}
		if !done {
			err = azure.NewAsyncOpIncompleteError("documentdb.DatabaseAccountsFailoverPriorityChangeFuture")
			return
		}
		ar.Response = future.Response()
		return
	}
	return
}

// FailoverPriorityChangeResponder handles the response to the FailoverPriorityChange request. The method always
// closes the http.Response Body.
func (client DatabaseAccountsClient) FailoverPriorityChangeResponder(resp *http.Response) (result autorest.Response, err error) {
	err = autorest.Respond(
		resp,
		azure.WithErrorUnlessStatusCode(http.StatusOK, http.StatusAccepted, http.StatusNoContent),
		autorest.ByClosing())
	result.Response = resp
	return
}

// Get retrieves the properties of an existing Azure Cosmos DB database account.
// Parameters:
// resourceGroupName - name of an Azure resource group.
// accountName - cosmos DB database account name.
func (client DatabaseAccountsClient) Get(ctx context.Context, resourceGroupName string, accountName string) (result DatabaseAccountGetResults, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/DatabaseAccountsClient.Get")
		defer func() {
			sc := -1
			if result.Response.Response != nil {
				sc = result.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	if err := validation.Validate([]validation.Validation{
		{TargetValue: client.SubscriptionID,
			Constraints: []validation.Constraint{{Target: "client.SubscriptionID", Name: validation.MinLength, Rule: 1, Chain: nil}}},
		{TargetValue: resourceGroupName,
			Constraints: []validation.Constraint{{Target: "resourceGroupName", Name: validation.MaxLength, Rule: 90, Chain: nil},
				{Target: "resourceGroupName", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "resourceGroupName", Name: validation.Pattern, Rule: `^[-\w\._\(\)]+$`, Chain: nil}}},
		{TargetValue: accountName,
			Constraints: []validation.Constraint{{Target: "accountName", Name: validation.MaxLength, Rule: 50, Chain: nil},
				{Target: "accountName", Name: validation.MinLength, Rule: 3, Chain: nil},
				{Target: "accountName", Name: validation.Pattern, Rule: `^[a-z0-9]+(-[a-z0-9]+)*`, Chain: nil}}}}); err != nil {
		return result, validation.NewError("documentdb.DatabaseAccountsClient", "Get", err.Error())
	}

	req, err := client.GetPreparer(ctx, resourceGroupName, accountName)
	if err != nil {
		err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsClient", "Get", nil, "Failure preparing request")
		return
	}

	resp, err := client.GetSender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsClient", "Get", resp, "Failure sending request")
		return
	}

	result, err = client.GetResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsClient", "Get", resp, "Failure responding to request")
		return
	}

	return
}

// GetPreparer prepares the Get request.
func (client DatabaseAccountsClient) GetPreparer(ctx context.Context, resourceGroupName string, accountName string) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"accountName":       autorest.Encode("path", accountName),
		"resourceGroupName": autorest.Encode("path", resourceGroupName),
		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2019-08-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsGet(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DocumentDB/databaseAccounts/{accountName}", pathParameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// GetSender sends the Get request. The method will close the
// http.Response Body if it receives an error.
func (client DatabaseAccountsClient) GetSender(req *http.Request) (*http.Response, error) {
	return client.Send(req, azure.DoRetryWithRegistration(client.Client))
}

// GetResponder handles the response to the Get request. The method always
// closes the http.Response Body.
func (client DatabaseAccountsClient) GetResponder(resp *http.Response) (result DatabaseAccountGetResults, err error) {
	err = autorest.Respond(
		resp,
		azure.WithErrorUnlessStatusCode(http.StatusOK),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}

// GetReadOnlyKeys lists the read-only access keys for the specified Azure Cosmos DB database account.
// Parameters:
// resourceGroupName - name of an Azure resource group.
// accountName - cosmos DB database account name.
func (client DatabaseAccountsClient) GetReadOnlyKeys(ctx context.Context, resourceGroupName string, accountName string) (result DatabaseAccountListReadOnlyKeysResult, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/DatabaseAccountsClient.GetReadOnlyKeys")
		defer func() {
			sc := -1
			if result.Response.Response != nil {
				sc = result.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	if err := validation.Validate([]validation.Validation{
		{TargetValue: client.SubscriptionID,
			Constraints: []validation.Constraint{{Target: "client.SubscriptionID", Name: validation.MinLength, Rule: 1, Chain: nil}}},
		{TargetValue: resourceGroupName,
			Constraints: []validation.Constraint{{Target: "resourceGroupName", Name: validation.MaxLength, Rule: 90, Chain: nil},
				{Target: "resourceGroupName", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "resourceGroupName", Name: validation.Pattern, Rule: `^[-\w\._\(\)]+$`, Chain: nil}}},
		{TargetValue: accountName,
			Constraints: []validation.Constraint{{Target: "accountName", Name: validation.MaxLength, Rule: 50, Chain: nil},
				{Target: "accountName", Name: validation.MinLength, Rule: 3, Chain: nil},
				{Target: "accountName", Name: validation.Pattern, Rule: `^[a-z0-9]+(-[a-z0-9]+)*`, Chain: nil}}}}); err != nil {
		return result, validation.NewError("documentdb.DatabaseAccountsClient", "GetReadOnlyKeys", err.Error())
	}

	req, err := client.GetReadOnlyKeysPreparer(ctx, resourceGroupName, accountName)
	if err != nil {
		err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsClient", "GetReadOnlyKeys", nil, "Failure preparing request")
		return
	}

	resp, err := client.GetReadOnlyKeysSender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsClient", "GetReadOnlyKeys", resp, "Failure sending request")
		return
	}

	result, err = client.GetReadOnlyKeysResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsClient", "GetReadOnlyKeys", resp, "Failure responding to request")
		return
	}

	return
}

// GetReadOnlyKeysPreparer prepares the GetReadOnlyKeys request.
func (client DatabaseAccountsClient) GetReadOnlyKeysPreparer(ctx context.Context, resourceGroupName string, accountName string) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"accountName":       autorest.Encode("path", accountName),
		"resourceGroupName": autorest.Encode("path", resourceGroupName),
		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2019-08-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsGet(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DocumentDB/databaseAccounts/{accountName}/readonlykeys", pathParameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// GetReadOnlyKeysSender sends the GetReadOnlyKeys request. The method will close the
// http.Response Body if it receives an error.
func (client DatabaseAccountsClient) GetReadOnlyKeysSender(req *http.Request) (*http.Response, error) {
	return client.Send(req, azure.DoRetryWithRegistration(client.Client))
}

// GetReadOnlyKeysResponder handles the response to the GetReadOnlyKeys request. The method always
// closes the http.Response Body.
func (client DatabaseAccountsClient) GetReadOnlyKeysResponder(resp *http.Response) (result DatabaseAccountListReadOnlyKeysResult, err error) {
	err = autorest.Respond(
		resp,
		azure.WithErrorUnlessStatusCode(http.StatusOK),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}

// List lists all the Azure Cosmos DB database accounts available under the subscription.
func (client DatabaseAccountsClient) List(ctx context.Context) (result DatabaseAccountsListResult, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/DatabaseAccountsClient.List")
		defer func() {
			sc := -1
			if result.Response.Response != nil {
				sc = result.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	if err := validation.Validate([]validation.Validation{
		{TargetValue: client.SubscriptionID,
			Constraints: []validation.Constraint{{Target: "client.SubscriptionID", Name: validation.MinLength, Rule: 1, Chain: nil}}}}); err != nil {
		return result, validation.NewError("documentdb.DatabaseAccountsClient", "List", err.Error())
	}

	req, err := client.ListPreparer(ctx)
	if err != nil {
		err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsClient", "List", nil, "Failure preparing request")
		return
	}

	resp, err := client.ListSender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsClient", "List", resp, "Failure sending request")
		return
	}

	result, err = client.ListResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsClient", "List", resp, "Failure responding to request")
		return
	}

	return
}

// ListPreparer prepares the List request.
func (client DatabaseAccountsClient) ListPreparer(ctx context.Context) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"subscriptionId": autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2019-08-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsGet(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/providers/Microsoft.DocumentDB/databaseAccounts", pathParameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// ListSender sends the List request. The method will close the
// http.Response Body if it receives an error.
func (client DatabaseAccountsClient) ListSender(req *http.Request) (*http.Response, error) {
	return client.Send(req, azure.DoRetryWithRegistration(client.Client))
}

// ListResponder handles the response to the List request. The method always
// closes the http.Response Body.
func (client DatabaseAccountsClient) ListResponder(resp *http.Response) (result DatabaseAccountsListResult, err error) {
	err = autorest.Respond(
		resp,
		azure.WithErrorUnlessStatusCode(http.StatusOK),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}

// ListByResourceGroup lists all the Azure Cosmos DB database accounts available under the given resource group.
// Parameters:
// resourceGroupName - name of an Azure resource group.
func (client DatabaseAccountsClient) ListByResourceGroup(ctx context.Context, resourceGroupName string) (result DatabaseAccountsListResult, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/DatabaseAccountsClient.ListByResourceGroup")
		defer func() {
			sc := -1
			if result.Response.Response != nil {
				sc = result.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	if err := validation.Validate([]validation.Validation{
		{TargetValue: resourceGroupName,
			Constraints: []validation.Constraint{{Target: "resourceGroupName", Name: validation.MaxLength, Rule: 90, Chain: nil},
				{Target: "resourceGroupName", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "resourceGroupName", Name: validation.Pattern, Rule: `^[-\w\._\(\)]+$`, Chain: nil}}},
		{TargetValue: client.SubscriptionID,
			Constraints: []validation.Constraint{{Target: "client.SubscriptionID", Name: validation.MinLength, Rule: 1, Chain: nil}}}}); err != nil {
		return result, validation.NewError("documentdb.DatabaseAccountsClient", "ListByResourceGroup", err.Error())
	}

	req, err := client.ListByResourceGroupPreparer(ctx, resourceGroupName)
	if err != nil {
		err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsClient", "ListByResourceGroup", nil, "Failure preparing request")
		return
	}

	resp, err := client.ListByResourceGroupSender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsClient", "ListByResourceGroup", resp, "Failure sending request")
		return
	}

	result, err = client.ListByResourceGroupResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsClient", "ListByResourceGroup", resp, "Failure responding to request")
		return
	}

	return
}

// ListByResourceGroupPreparer prepares the ListByResourceGroup request.
func (client DatabaseAccountsClient) ListByResourceGroupPreparer(ctx context.Context, resourceGroupName string) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"resourceGroupName": autorest.Encode("path", resourceGroupName),
		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2019-08-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsGet(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DocumentDB/databaseAccounts", pathParameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// ListByResourceGroupSender sends the ListByResourceGroup request. The method will close the
// http.Response Body if it receives an error.
func (client DatabaseAccountsClient) ListByResourceGroupSender(req *http.Request) (*http.Response, error) {
	return client.Send(req, azure.DoRetryWithRegistration(client.Client))
}

// ListByResourceGroupResponder handles the response to the ListByResourceGroup request. The method always
// closes the http.Response Body.
func (client DatabaseAccountsClient) ListByResourceGroupResponder(resp *http.Response) (result DatabaseAccountsListResult, err error) {
	err = autorest.Respond(
		resp,
		azure.WithErrorUnlessStatusCode(http.StatusOK),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}

// ListConnectionStrings lists the connection strings for the specified Azure Cosmos DB database account.
// Parameters:
// resourceGroupName - name of an Azure resource group.
// accountName - cosmos DB database account name.
func (client DatabaseAccountsClient) ListConnectionStrings(ctx context.Context, resourceGroupName string, accountName string) (result DatabaseAccountListConnectionStringsResult, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/DatabaseAccountsClient.ListConnectionStrings")
		defer func() {
			sc := -1
			if result.Response.Response != nil {
				sc = result.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	if err := validation.Validate([]validation.Validation{
		{TargetValue: client.SubscriptionID,
			Constraints: []validation.Constraint{{Target: "client.SubscriptionID", Name: validation.MinLength, Rule: 1, Chain: nil}}},
		{TargetValue: resourceGroupName,
			Constraints: []validation.Constraint{{Target: "resourceGroupName", Name: validation.MaxLength, Rule: 90, Chain: nil},
				{Target: "resourceGroupName", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "resourceGroupName", Name: validation.Pattern, Rule: `^[-\w\._\(\)]+$`, Chain: nil}}},
		{TargetValue: accountName,
			Constraints: []validation.Constraint{{Target: "accountName", Name: validation.MaxLength, Rule: 50, Chain: nil},
				{Target: "accountName", Name: validation.MinLength, Rule: 3, Chain: nil},
				{Target: "accountName", Name: validation.Pattern, Rule: `^[a-z0-9]+(-[a-z0-9]+)*`, Chain: nil}}}}); err != nil {
		return result, validation.NewError("documentdb.DatabaseAccountsClient", "ListConnectionStrings", err.Error())
	}

	req, err := client.ListConnectionStringsPreparer(ctx, resourceGroupName, accountName)
	if err != nil {
		err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsClient", "ListConnectionStrings", nil, "Failure preparing request")
		return
	}

	resp, err := client.ListConnectionStringsSender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsClient", "ListConnectionStrings", resp, "Failure sending request")
		return
	}

	result, err = client.ListConnectionStringsResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsClient", "ListConnectionStrings", resp, "Failure responding to request")
		return
	}

	return
}

// ListConnectionStringsPreparer prepares the ListConnectionStrings request.
func (client DatabaseAccountsClient) ListConnectionStringsPreparer(ctx context.Context, resourceGroupName string, accountName string) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"accountName":       autorest.Encode("path", accountName),
		"resourceGroupName": autorest.Encode("path", resourceGroupName),
		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2019-08-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsPost(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DocumentDB/databaseAccounts/{accountName}/listConnectionStrings", pathParameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// ListConnectionStringsSender sends the ListConnectionStrings request. The method will close the
// http.Response Body if it receives an error.
func (client DatabaseAccountsClient) ListConnectionStringsSender(req *http.Request) (*http.Response, error) {
	return client.Send(req, azure.DoRetryWithRegistration(client.Client))
}

// ListConnectionStringsResponder handles the response to the ListConnectionStrings request. The method always
// closes the http.Response Body.
func (client DatabaseAccountsClient) ListConnectionStringsResponder(resp *http.Response) (result DatabaseAccountListConnectionStringsResult, err error) {
	err = autorest.Respond(
		resp,
		azure.WithErrorUnlessStatusCode(http.StatusOK),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}

// ListKeys lists the access keys for the specified Azure Cosmos DB database account.
// Parameters:
// resourceGroupName - name of an Azure resource group.
// accountName - cosmos DB database account name.
func (client DatabaseAccountsClient) ListKeys(ctx context.Context, resourceGroupName string, accountName string) (result DatabaseAccountListKeysResult, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/DatabaseAccountsClient.ListKeys")
		defer func() {
			sc := -1
			if result.Response.Response != nil {
				sc = result.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	if err := validation.Validate([]validation.Validation{
		{TargetValue: client.SubscriptionID,
			Constraints: []validation.Constraint{{Target: "client.SubscriptionID", Name: validation.MinLength, Rule: 1, Chain: nil}}},
		{TargetValue: resourceGroupName,
			Constraints: []validation.Constraint{{Target: "resourceGroupName", Name: validation.MaxLength, Rule: 90, Chain: nil},
				{Target: "resourceGroupName", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "resourceGroupName", Name: validation.Pattern, Rule: `^[-\w\._\(\)]+$`, Chain: nil}}},
		{TargetValue: accountName,
			Constraints: []validation.Constraint{{Target: "accountName", Name: validation.MaxLength, Rule: 50, Chain: nil},
				{Target: "accountName", Name: validation.MinLength, Rule: 3, Chain: nil},
				{Target: "accountName", Name: validation.Pattern, Rule: `^[a-z0-9]+(-[a-z0-9]+)*`, Chain: nil}}}}); err != nil {
		return result, validation.NewError("documentdb.DatabaseAccountsClient", "ListKeys", err.Error())
	}

	req, err := client.ListKeysPreparer(ctx, resourceGroupName, accountName)
	if err != nil {
		err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsClient", "ListKeys", nil, "Failure preparing request")
		return
	}

	resp, err := client.ListKeysSender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsClient", "ListKeys", resp, "Failure sending request")
		return
	}

	result, err = client.ListKeysResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsClient", "ListKeys", resp, "Failure responding to request")
		return
	}

	return
}

// ListKeysPreparer prepares the ListKeys request.
func (client DatabaseAccountsClient) ListKeysPreparer(ctx context.Context, resourceGroupName string, accountName string) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"accountName":       autorest.Encode("path", accountName),
		"resourceGroupName": autorest.Encode("path", resourceGroupName),
		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2019-08-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsPost(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DocumentDB/databaseAccounts/{accountName}/listKeys", pathParameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// ListKeysSender sends the ListKeys request. The method will close the
// http.Response Body if it receives an error.
func (client DatabaseAccountsClient) ListKeysSender(req *http.Request) (*http.Response, error) {
	return client.Send(req, azure.DoRetryWithRegistration(client.Client))
}

// ListKeysResponder handles the response to the ListKeys request. The method always
// closes the http.Response Body.
func (client DatabaseAccountsClient) ListKeysResponder(resp *http.Response) (result DatabaseAccountListKeysResult, err error) {
	err = autorest.Respond(
		resp,
		azure.WithErrorUnlessStatusCode(http.StatusOK),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}

// ListMetricDefinitions retrieves metric definitions for the given database account.
// Parameters:
// resourceGroupName - name of an Azure resource group.
// accountName - cosmos DB database account name.
func (client DatabaseAccountsClient) ListMetricDefinitions(ctx context.Context, resourceGroupName string, accountName string) (result MetricDefinitionsListResult, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/DatabaseAccountsClient.ListMetricDefinitions")
		defer func() {
			sc := -1
			if result.Response.Response != nil {
				sc = result.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	if err := validation.Validate([]validation.Validation{
		{TargetValue: client.SubscriptionID,
			Constraints: []validation.Constraint{{Target: "client.SubscriptionID", Name: validation.MinLength, Rule: 1, Chain: nil}}},
		{TargetValue: resourceGroupName,
			Constraints: []validation.Constraint{{Target: "resourceGroupName", Name: validation.MaxLength, Rule: 90, Chain: nil},
				{Target: "resourceGroupName", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "resourceGroupName", Name: validation.Pattern, Rule: `^[-\w\._\(\)]+$`, Chain: nil}}},
		{TargetValue: accountName,
			Constraints: []validation.Constraint{{Target: "accountName", Name: validation.MaxLength, Rule: 50, Chain: nil},
				{Target: "accountName", Name: validation.MinLength, Rule: 3, Chain: nil},
				{Target: "accountName", Name: validation.Pattern, Rule: `^[a-z0-9]+(-[a-z0-9]+)*`, Chain: nil}}}}); err != nil {
		return result, validation.NewError("documentdb.DatabaseAccountsClient", "ListMetricDefinitions", err.Error())
	}

	req, err := client.ListMetricDefinitionsPreparer(ctx, resourceGroupName, accountName)
	if err != nil {
		err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsClient", "ListMetricDefinitions", nil, "Failure preparing request")
		return
	}

	resp, err := client.ListMetricDefinitionsSender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsClient", "ListMetricDefinitions", resp, "Failure sending request")
		return
	}

	result, err = client.ListMetricDefinitionsResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsClient", "ListMetricDefinitions", resp, "Failure responding to request")
		return
	}

	return
}

// ListMetricDefinitionsPreparer prepares the ListMetricDefinitions request.
func (client DatabaseAccountsClient) ListMetricDefinitionsPreparer(ctx context.Context, resourceGroupName string, accountName string) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"accountName":       autorest.Encode("path", accountName),
		"resourceGroupName": autorest.Encode("path", resourceGroupName),
		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2019-08-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsGet(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DocumentDB/databaseAccounts/{accountName}/metricDefinitions", pathParameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// ListMetricDefinitionsSender sends the ListMetricDefinitions request. The method will close the
// http.Response Body if it receives an error.
func (client DatabaseAccountsClient) ListMetricDefinitionsSender(req *http.Request) (*http.Response, error) {
	return client.Send(req, azure.DoRetryWithRegistration(client.Client))
}

// ListMetricDefinitionsResponder handles the response to the ListMetricDefinitions request. The method always
// closes the http.Response Body.
func (client DatabaseAccountsClient) ListMetricDefinitionsResponder(resp *http.Response) (result MetricDefinitionsListResult, err error) {
	err = autorest.Respond(
		resp,
		azure.WithErrorUnlessStatusCode(http.StatusOK),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}

// ListMetrics retrieves the metrics determined by the given filter for the given database account.
// Parameters:
// resourceGroupName - name of an Azure resource group.
// accountName - cosmos DB database account name.
// filter - an OData filter expression that describes a subset of metrics to return. The parameters that can be
// filtered are name.value (name of the metric, can have an or of multiple names), startTime, endTime, and
// timeGrain. The supported operator is eq.
func (client DatabaseAccountsClient) ListMetrics(ctx context.Context, resourceGroupName string, accountName string, filter string) (result MetricListResult, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/DatabaseAccountsClient.ListMetrics")
		defer func() {
			sc := -1
			if result.Response.Response != nil {
				sc = result.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	if err := validation.Validate([]validation.Validation{
		{TargetValue: client.SubscriptionID,
			Constraints: []validation.Constraint{{Target: "client.SubscriptionID", Name: validation.MinLength, Rule: 1, Chain: nil}}},
		{TargetValue: resourceGroupName,
			Constraints: []validation.Constraint{{Target: "resourceGroupName", Name: validation.MaxLength, Rule: 90, Chain: nil},
				{Target: "resourceGroupName", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "resourceGroupName", Name: validation.Pattern, Rule: `^[-\w\._\(\)]+$`, Chain: nil}}},
		{TargetValue: accountName,
			Constraints: []validation.Constraint{{Target: "accountName", Name: validation.MaxLength, Rule: 50, Chain: nil},
				{Target: "accountName", Name: validation.MinLength, Rule: 3, Chain: nil},
				{Target: "accountName", Name: validation.Pattern, Rule: `^[a-z0-9]+(-[a-z0-9]+)*`, Chain: nil}}}}); err != nil {
		return result, validation.NewError("documentdb.DatabaseAccountsClient", "ListMetrics", err.Error())
	}

	req, err := client.ListMetricsPreparer(ctx, resourceGroupName, accountName, filter)
	if err != nil {
		err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsClient", "ListMetrics", nil, "Failure preparing request")
		return
	}

	resp, err := client.ListMetricsSender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsClient", "ListMetrics", resp, "Failure sending request")
		return
	}

	result, err = client.ListMetricsResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsClient", "ListMetrics", resp, "Failure responding to request")
		return
	}

	return
}

// ListMetricsPreparer prepares the ListMetrics request.
func (client DatabaseAccountsClient) ListMetricsPreparer(ctx context.Context, resourceGroupName string, accountName string, filter string) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"accountName":       autorest.Encode("path", accountName),
		"resourceGroupName": autorest.Encode("path", resourceGroupName),
		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2019-08-01"
	queryParameters := map[string]interface{}{
		"$filter":     autorest.Encode("query", filter),
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsGet(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DocumentDB/databaseAccounts/{accountName}/metrics", pathParameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// ListMetricsSender sends the ListMetrics request. The method will close the
// http.Response Body if it receives an error.
func (client DatabaseAccountsClient) ListMetricsSender(req *http.Request) (*http.Response, error) {
	return client.Send(req, azure.DoRetryWithRegistration(client.Client))
}

// ListMetricsResponder handles the response to the ListMetrics request. The method always
// closes the http.Response Body.
func (client DatabaseAccountsClient) ListMetricsResponder(resp *http.Response) (result MetricListResult, err error) {
	err = autorest.Respond(
		resp,
		azure.WithErrorUnlessStatusCode(http.StatusOK),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}

// ListReadOnlyKeys lists the read-only access keys for the specified Azure Cosmos DB database account.
// Parameters:
// resourceGroupName - name of an Azure resource group.
// accountName - cosmos DB database account name.
func (client DatabaseAccountsClient) ListReadOnlyKeys(ctx context.Context, resourceGroupName string, accountName string) (result DatabaseAccountListReadOnlyKeysResult, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/DatabaseAccountsClient.ListReadOnlyKeys")
		defer func() {
			sc := -1
			if result.Response.Response != nil {
				sc = result.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	if err := validation.Validate([]validation.Validation{
		{TargetValue: client.SubscriptionID,
			Constraints: []validation.Constraint{{Target: "client.SubscriptionID", Name: validation.MinLength, Rule: 1, Chain: nil}}},
		{TargetValue: resourceGroupName,
			Constraints: []validation.Constraint{{Target: "resourceGroupName", Name: validation.MaxLength, Rule: 90, Chain: nil},
				{Target: "resourceGroupName", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "resourceGroupName", Name: validation.Pattern, Rule: `^[-\w\._\(\)]+$`, Chain: nil}}},
		{TargetValue: accountName,
			Constraints: []validation.Constraint{{Target: "accountName", Name: validation.MaxLength, Rule: 50, Chain: nil},
				{Target: "accountName", Name: validation.MinLength, Rule: 3, Chain: nil},
				{Target: "accountName", Name: validation.Pattern, Rule: `^[a-z0-9]+(-[a-z0-9]+)*`, Chain: nil}}}}); err != nil {
		return result, validation.NewError("documentdb.DatabaseAccountsClient", "ListReadOnlyKeys", err.Error())
	}

	req, err := client.ListReadOnlyKeysPreparer(ctx, resourceGroupName, accountName)
	if err != nil {
		err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsClient", "ListReadOnlyKeys", nil, "Failure preparing request")
		return
	}

	resp, err := client.ListReadOnlyKeysSender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsClient", "ListReadOnlyKeys", resp, "Failure sending request")
		return
	}

	result, err = client.ListReadOnlyKeysResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsClient", "ListReadOnlyKeys", resp, "Failure responding to request")
		return
	}

	return
}

// ListReadOnlyKeysPreparer prepares the ListReadOnlyKeys request.
func (client DatabaseAccountsClient) ListReadOnlyKeysPreparer(ctx context.Context, resourceGroupName string, accountName string) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"accountName":       autorest.Encode("path", accountName),
		"resourceGroupName": autorest.Encode("path", resourceGroupName),
		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2019-08-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsPost(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DocumentDB/databaseAccounts/{accountName}/readonlykeys", pathParameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// ListReadOnlyKeysSender sends the ListReadOnlyKeys request. The method will close the
// http.Response Body if it receives an error.
func (client DatabaseAccountsClient) ListReadOnlyKeysSender(req *http.Request) (*http.Response, error) {
	return client.Send(req, azure.DoRetryWithRegistration(client.Client))
}

// ListReadOnlyKeysResponder handles the response to the ListReadOnlyKeys request. The method always
// closes the http.Response Body.
func (client DatabaseAccountsClient) ListReadOnlyKeysResponder(resp *http.Response) (result DatabaseAccountListReadOnlyKeysResult, err error) {
	err = autorest.Respond(
		resp,
		azure.WithErrorUnlessStatusCode(http.StatusOK),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}

// ListUsages retrieves the usages (most recent data) for the given database account.
// Parameters:
// resourceGroupName - name of an Azure resource group.
// accountName - cosmos DB database account name.
// filter - an OData filter expression that describes a subset of usages to return. The supported parameter is
// name.value (name of the metric, can have an or of multiple names).
func (client DatabaseAccountsClient) ListUsages(ctx context.Context, resourceGroupName string, accountName string, filter string) (result UsagesResult, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/DatabaseAccountsClient.ListUsages")
		defer func() {
			sc := -1
			if result.Response.Response != nil {
				sc = result.Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	if err := validation.Validate([]validation.Validation{
		{TargetValue: client.SubscriptionID,
			Constraints: []validation.Constraint{{Target: "client.SubscriptionID", Name: validation.MinLength, Rule: 1, Chain: nil}}},
		{TargetValue: resourceGroupName,
			Constraints: []validation.Constraint{{Target: "resourceGroupName", Name: validation.MaxLength, Rule: 90, Chain: nil},
				{Target: "resourceGroupName", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "resourceGroupName", Name: validation.Pattern, Rule: `^[-\w\._\(\)]+$`, Chain: nil}}},
		{TargetValue: accountName,
			Constraints: []validation.Constraint{{Target: "accountName", Name: validation.MaxLength, Rule: 50, Chain: nil},
				{Target: "accountName", Name: validation.MinLength, Rule: 3, Chain: nil},
				{Target: "accountName", Name: validation.Pattern, Rule: `^[a-z0-9]+(-[a-z0-9]+)*`, Chain: nil}}}}); err != nil {
		return result, validation.NewError("documentdb.DatabaseAccountsClient", "ListUsages", err.Error())
	}

	req, err := client.ListUsagesPreparer(ctx, resourceGroupName, accountName, filter)
	if err != nil {
		err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsClient", "ListUsages", nil, "Failure preparing request")
		return
	}

	resp, err := client.ListUsagesSender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsClient", "ListUsages", resp, "Failure sending request")
		return
	}

	result, err = client.ListUsagesResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsClient", "ListUsages", resp, "Failure responding to request")
		return
	}

	return
}

// ListUsagesPreparer prepares the ListUsages request.
func (client DatabaseAccountsClient) ListUsagesPreparer(ctx context.Context, resourceGroupName string, accountName string, filter string) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"accountName":       autorest.Encode("path", accountName),
		"resourceGroupName": autorest.Encode("path", resourceGroupName),
		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2019-08-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}
	if len(filter) > 0 {
		queryParameters["$filter"] = autorest.Encode("query", filter)
	}

	preparer := autorest.CreatePreparer(
		autorest.AsGet(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DocumentDB/databaseAccounts/{accountName}/usages", pathParameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// ListUsagesSender sends the ListUsages request. The method will close the
// http.Response Body if it receives an error.
func (client DatabaseAccountsClient) ListUsagesSender(req *http.Request) (*http.Response, error) {
	return client.Send(req, azure.DoRetryWithRegistration(client.Client))
}

// ListUsagesResponder handles the response to the ListUsages request. The method always
// closes the http.Response Body.
func (client DatabaseAccountsClient) ListUsagesResponder(resp *http.Response) (result UsagesResult, err error) {
	err = autorest.Respond(
		resp,
		azure.WithErrorUnlessStatusCode(http.StatusOK),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}

// OfflineRegion offline the specified region for the specified Azure Cosmos DB database account.
// Parameters:
// resourceGroupName - name of an Azure resource group.
// accountName - cosmos DB database account name.
// regionParameterForOffline - cosmos DB region to offline for the database account.
func (client DatabaseAccountsClient) OfflineRegion(ctx context.Context, resourceGroupName string, accountName string, regionParameterForOffline RegionForOnlineOffline) (result DatabaseAccountsOfflineRegionFuture, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/DatabaseAccountsClient.OfflineRegion")
		defer func() {
			sc := -1
			if result.FutureAPI != nil && result.FutureAPI.Response() != nil {
				sc = result.FutureAPI.Response().StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	if err := validation.Validate([]validation.Validation{
		{TargetValue: client.SubscriptionID,
			Constraints: []validation.Constraint{{Target: "client.SubscriptionID", Name: validation.MinLength, Rule: 1, Chain: nil}}},
		{TargetValue: resourceGroupName,
			Constraints: []validation.Constraint{{Target: "resourceGroupName", Name: validation.MaxLength, Rule: 90, Chain: nil},
				{Target: "resourceGroupName", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "resourceGroupName", Name: validation.Pattern, Rule: `^[-\w\._\(\)]+$`, Chain: nil}}},
		{TargetValue: accountName,
			Constraints: []validation.Constraint{{Target: "accountName", Name: validation.MaxLength, Rule: 50, Chain: nil},
				{Target: "accountName", Name: validation.MinLength, Rule: 3, Chain: nil},
				{Target: "accountName", Name: validation.Pattern, Rule: `^[a-z0-9]+(-[a-z0-9]+)*`, Chain: nil}}},
		{TargetValue: regionParameterForOffline,
			Constraints: []validation.Constraint{{Target: "regionParameterForOffline.Region", Name: validation.Null, Rule: true, Chain: nil}}}}); err != nil {
		return result, validation.NewError("documentdb.DatabaseAccountsClient", "OfflineRegion", err.Error())
	}

	req, err := client.OfflineRegionPreparer(ctx, resourceGroupName, accountName, regionParameterForOffline)
	if err != nil {
		err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsClient", "OfflineRegion", nil, "Failure preparing request")
		return
	}

	result, err = client.OfflineRegionSender(req)
	if err != nil {
		err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsClient", "OfflineRegion", nil, "Failure sending request")
		return
	}

	return
}

// OfflineRegionPreparer prepares the OfflineRegion request.
func (client DatabaseAccountsClient) OfflineRegionPreparer(ctx context.Context, resourceGroupName string, accountName string, regionParameterForOffline RegionForOnlineOffline) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"accountName":       autorest.Encode("path", accountName),
		"resourceGroupName": autorest.Encode("path", resourceGroupName),
		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2019-08-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsContentType("application/json; charset=utf-8"),
		autorest.AsPost(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DocumentDB/databaseAccounts/{accountName}/offlineRegion", pathParameters),
		autorest.WithJSON(regionParameterForOffline),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// OfflineRegionSender sends the OfflineRegion request. The method will close the
// http.Response Body if it receives an error.
func (client DatabaseAccountsClient) OfflineRegionSender(req *http.Request) (future DatabaseAccountsOfflineRegionFuture, err error) {
	var resp *http.Response
	resp, err = client.Send(req, azure.DoRetryWithRegistration(client.Client))
	if err != nil {
		return
	}
	var azf azure.Future
	azf, err = azure.NewFutureFromResponse(resp)
	future.FutureAPI = &azf
	future.Result = func(client DatabaseAccountsClient) (ar autorest.Response, err error) {
		var done bool
		done, err = future.DoneWithContext(context.Background(), client)
		if err != nil {
			err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsOfflineRegionFuture", "Result", future.Response(), "Polling failure")
			return
		}
		if !done {
			err = azure.NewAsyncOpIncompleteError("documentdb.DatabaseAccountsOfflineRegionFuture")
			return
		}
		ar.Response = future.Response()
		return
	}
	return
}

// OfflineRegionResponder handles the response to the OfflineRegion request. The method always
// closes the http.Response Body.
func (client DatabaseAccountsClient) OfflineRegionResponder(resp *http.Response) (result autorest.Response, err error) {
	err = autorest.Respond(
		resp,
		azure.WithErrorUnlessStatusCode(http.StatusOK, http.StatusAccepted),
		autorest.ByClosing())
	result.Response = resp
	return
}

// OnlineRegion online the specified region for the specified Azure Cosmos DB database account.
// Parameters:
// resourceGroupName - name of an Azure resource group.
// accountName - cosmos DB database account name.
// regionParameterForOnline - cosmos DB region to online for the database account.
func (client DatabaseAccountsClient) OnlineRegion(ctx context.Context, resourceGroupName string, accountName string, regionParameterForOnline RegionForOnlineOffline) (result DatabaseAccountsOnlineRegionFuture, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/DatabaseAccountsClient.OnlineRegion")
		defer func() {
			sc := -1
			if result.FutureAPI != nil && result.FutureAPI.Response() != nil {
				sc = result.FutureAPI.Response().StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	if err := validation.Validate([]validation.Validation{
		{TargetValue: client.SubscriptionID,
			Constraints: []validation.Constraint{{Target: "client.SubscriptionID", Name: validation.MinLength, Rule: 1, Chain: nil}}},
		{TargetValue: resourceGroupName,
			Constraints: []validation.Constraint{{Target: "resourceGroupName", Name: validation.MaxLength, Rule: 90, Chain: nil},
				{Target: "resourceGroupName", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "resourceGroupName", Name: validation.Pattern, Rule: `^[-\w\._\(\)]+$`, Chain: nil}}},
		{TargetValue: accountName,
			Constraints: []validation.Constraint{{Target: "accountName", Name: validation.MaxLength, Rule: 50, Chain: nil},
				{Target: "accountName", Name: validation.MinLength, Rule: 3, Chain: nil},
				{Target: "accountName", Name: validation.Pattern, Rule: `^[a-z0-9]+(-[a-z0-9]+)*`, Chain: nil}}},
		{TargetValue: regionParameterForOnline,
			Constraints: []validation.Constraint{{Target: "regionParameterForOnline.Region", Name: validation.Null, Rule: true, Chain: nil}}}}); err != nil {
		return result, validation.NewError("documentdb.DatabaseAccountsClient", "OnlineRegion", err.Error())
	}

	req, err := client.OnlineRegionPreparer(ctx, resourceGroupName, accountName, regionParameterForOnline)
	if err != nil {
		err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsClient", "OnlineRegion", nil, "Failure preparing request")
		return
	}

	result, err = client.OnlineRegionSender(req)
	if err != nil {
		err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsClient", "OnlineRegion", nil, "Failure sending request")
		return
	}

	return
}

// OnlineRegionPreparer prepares the OnlineRegion request.
func (client DatabaseAccountsClient) OnlineRegionPreparer(ctx context.Context, resourceGroupName string, accountName string, regionParameterForOnline RegionForOnlineOffline) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"accountName":       autorest.Encode("path", accountName),
		"resourceGroupName": autorest.Encode("path", resourceGroupName),
		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2019-08-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsContentType("application/json; charset=utf-8"),
		autorest.AsPost(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DocumentDB/databaseAccounts/{accountName}/onlineRegion", pathParameters),
		autorest.WithJSON(regionParameterForOnline),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// OnlineRegionSender sends the OnlineRegion request. The method will close the
// http.Response Body if it receives an error.
func (client DatabaseAccountsClient) OnlineRegionSender(req *http.Request) (future DatabaseAccountsOnlineRegionFuture, err error) {
	var resp *http.Response
	resp, err = client.Send(req, azure.DoRetryWithRegistration(client.Client))
	if err != nil {
		return
	}
	var azf azure.Future
	azf, err = azure.NewFutureFromResponse(resp)
	future.FutureAPI = &azf
	future.Result = func(client DatabaseAccountsClient) (ar autorest.Response, err error) {
		var done bool
		done, err = future.DoneWithContext(context.Background(), client)
		if err != nil {
			err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsOnlineRegionFuture", "Result", future.Response(), "Polling failure")
			return
		}
		if !done {
			err = azure.NewAsyncOpIncompleteError("documentdb.DatabaseAccountsOnlineRegionFuture")
			return
		}
		ar.Response = future.Response()
		return
	}
	return
}

// OnlineRegionResponder handles the response to the OnlineRegion request. The method always
// closes the http.Response Body.
func (client DatabaseAccountsClient) OnlineRegionResponder(resp *http.Response) (result autorest.Response, err error) {
	err = autorest.Respond(
		resp,
		azure.WithErrorUnlessStatusCode(http.StatusOK, http.StatusAccepted),
		autorest.ByClosing())
	result.Response = resp
	return
}

// RegenerateKey regenerates an access key for the specified Azure Cosmos DB database account.
// Parameters:
// resourceGroupName - name of an Azure resource group.
// accountName - cosmos DB database account name.
// keyToRegenerate - the name of the key to regenerate.
func (client DatabaseAccountsClient) RegenerateKey(ctx context.Context, resourceGroupName string, accountName string, keyToRegenerate DatabaseAccountRegenerateKeyParameters) (result DatabaseAccountsRegenerateKeyFuture, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/DatabaseAccountsClient.RegenerateKey")
		defer func() {
			sc := -1
			if result.FutureAPI != nil && result.FutureAPI.Response() != nil {
				sc = result.FutureAPI.Response().StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	if err := validation.Validate([]validation.Validation{
		{TargetValue: client.SubscriptionID,
			Constraints: []validation.Constraint{{Target: "client.SubscriptionID", Name: validation.MinLength, Rule: 1, Chain: nil}}},
		{TargetValue: resourceGroupName,
			Constraints: []validation.Constraint{{Target: "resourceGroupName", Name: validation.MaxLength, Rule: 90, Chain: nil},
				{Target: "resourceGroupName", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "resourceGroupName", Name: validation.Pattern, Rule: `^[-\w\._\(\)]+$`, Chain: nil}}},
		{TargetValue: accountName,
			Constraints: []validation.Constraint{{Target: "accountName", Name: validation.MaxLength, Rule: 50, Chain: nil},
				{Target: "accountName", Name: validation.MinLength, Rule: 3, Chain: nil},
				{Target: "accountName", Name: validation.Pattern, Rule: `^[a-z0-9]+(-[a-z0-9]+)*`, Chain: nil}}}}); err != nil {
		return result, validation.NewError("documentdb.DatabaseAccountsClient", "RegenerateKey", err.Error())
	}

	req, err := client.RegenerateKeyPreparer(ctx, resourceGroupName, accountName, keyToRegenerate)
	if err != nil {
		err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsClient", "RegenerateKey", nil, "Failure preparing request")
		return
	}

	result, err = client.RegenerateKeySender(req)
	if err != nil {
		err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsClient", "RegenerateKey", nil, "Failure sending request")
		return
	}

	return
}

// RegenerateKeyPreparer prepares the RegenerateKey request.
func (client DatabaseAccountsClient) RegenerateKeyPreparer(ctx context.Context, resourceGroupName string, accountName string, keyToRegenerate DatabaseAccountRegenerateKeyParameters) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"accountName":       autorest.Encode("path", accountName),
		"resourceGroupName": autorest.Encode("path", resourceGroupName),
		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2019-08-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsContentType("application/json; charset=utf-8"),
		autorest.AsPost(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DocumentDB/databaseAccounts/{accountName}/regenerateKey", pathParameters),
		autorest.WithJSON(keyToRegenerate),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// RegenerateKeySender sends the RegenerateKey request. The method will close the
// http.Response Body if it receives an error.
func (client DatabaseAccountsClient) RegenerateKeySender(req *http.Request) (future DatabaseAccountsRegenerateKeyFuture, err error) {
	var resp *http.Response
	resp, err = client.Send(req, azure.DoRetryWithRegistration(client.Client))
	if err != nil {
		return
	}
	var azf azure.Future
	azf, err = azure.NewFutureFromResponse(resp)
	future.FutureAPI = &azf
	future.Result = func(client DatabaseAccountsClient) (ar autorest.Response, err error) {
		var done bool
		done, err = future.DoneWithContext(context.Background(), client)
		if err != nil {
			err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsRegenerateKeyFuture", "Result", future.Response(), "Polling failure")
			return
		}
		if !done {
			err = azure.NewAsyncOpIncompleteError("documentdb.DatabaseAccountsRegenerateKeyFuture")
			return
		}
		ar.Response = future.Response()
		return
	}
	return
}

// RegenerateKeyResponder handles the response to the RegenerateKey request. The method always
// closes the http.Response Body.
func (client DatabaseAccountsClient) RegenerateKeyResponder(resp *http.Response) (result autorest.Response, err error) {
	err = autorest.Respond(
		resp,
		azure.WithErrorUnlessStatusCode(http.StatusOK, http.StatusAccepted),
		autorest.ByClosing())
	result.Response = resp
	return
}

// Update updates the properties of an existing Azure Cosmos DB database account.
// Parameters:
// resourceGroupName - name of an Azure resource group.
// accountName - cosmos DB database account name.
// updateParameters - the parameters to provide for the current database account.
func (client DatabaseAccountsClient) Update(ctx context.Context, resourceGroupName string, accountName string, updateParameters DatabaseAccountUpdateParameters) (result DatabaseAccountsUpdateFuture, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/DatabaseAccountsClient.Update")
		defer func() {
			sc := -1
			if result.FutureAPI != nil && result.FutureAPI.Response() != nil {
				sc = result.FutureAPI.Response().StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	if err := validation.Validate([]validation.Validation{
		{TargetValue: client.SubscriptionID,
			Constraints: []validation.Constraint{{Target: "client.SubscriptionID", Name: validation.MinLength, Rule: 1, Chain: nil}}},
		{TargetValue: resourceGroupName,
			Constraints: []validation.Constraint{{Target: "resourceGroupName", Name: validation.MaxLength, Rule: 90, Chain: nil},
				{Target: "resourceGroupName", Name: validation.MinLength, Rule: 1, Chain: nil},
				{Target: "resourceGroupName", Name: validation.Pattern, Rule: `^[-\w\._\(\)]+$`, Chain: nil}}},
		{TargetValue: accountName,
			Constraints: []validation.Constraint{{Target: "accountName", Name: validation.MaxLength, Rule: 50, Chain: nil},
				{Target: "accountName", Name: validation.MinLength, Rule: 3, Chain: nil},
				{Target: "accountName", Name: validation.Pattern, Rule: `^[a-z0-9]+(-[a-z0-9]+)*`, Chain: nil}}}}); err != nil {
		return result, validation.NewError("documentdb.DatabaseAccountsClient", "Update", err.Error())
	}

	req, err := client.UpdatePreparer(ctx, resourceGroupName, accountName, updateParameters)
	if err != nil {
		err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsClient", "Update", nil, "Failure preparing request")
		return
	}

	result, err = client.UpdateSender(req)
	if err != nil {
		err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsClient", "Update", nil, "Failure sending request")
		return
	}

	return
}

// UpdatePreparer prepares the Update request.
func (client DatabaseAccountsClient) UpdatePreparer(ctx context.Context, resourceGroupName string, accountName string, updateParameters DatabaseAccountUpdateParameters) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"accountName":       autorest.Encode("path", accountName),
		"resourceGroupName": autorest.Encode("path", resourceGroupName),
		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2019-08-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsContentType("application/json; charset=utf-8"),
		autorest.AsPatch(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.DocumentDB/databaseAccounts/{accountName}", pathParameters),
		autorest.WithJSON(updateParameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

// UpdateSender sends the Update request. The method will close the
// http.Response Body if it receives an error.
func (client DatabaseAccountsClient) UpdateSender(req *http.Request) (future DatabaseAccountsUpdateFuture, err error) {
	var resp *http.Response
	resp, err = client.Send(req, azure.DoRetryWithRegistration(client.Client))
	if err != nil {
		return
	}
	var azf azure.Future
	azf, err = azure.NewFutureFromResponse(resp)
	future.FutureAPI = &azf
	future.Result = func(client DatabaseAccountsClient) (dagr DatabaseAccountGetResults, err error) {
		var done bool
		done, err = future.DoneWithContext(context.Background(), client)
		if err != nil {
			err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsUpdateFuture", "Result", future.Response(), "Polling failure")
			return
		}
		if !done {
			err = azure.NewAsyncOpIncompleteError("documentdb.DatabaseAccountsUpdateFuture")
			return
		}
		sender := autorest.DecorateSender(client, autorest.DoRetryForStatusCodes(client.RetryAttempts, client.RetryDuration, autorest.StatusCodesForRetry...))
		dagr.Response.Response, err = future.GetResult(sender)
		if dagr.Response.Response == nil && err == nil {
			err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsUpdateFuture", "Result", nil, "received nil response and error")
		}
		if err == nil && dagr.Response.Response.StatusCode != http.StatusNoContent {
			dagr, err = client.UpdateResponder(dagr.Response.Response)
			if err != nil {
				err = autorest.NewErrorWithError(err, "documentdb.DatabaseAccountsUpdateFuture", "Result", dagr.Response.Response, "Failure responding to request")
			}
		}
		return
	}
	return
}

// UpdateResponder handles the response to the Update request. The method always
// closes the http.Response Body.
func (client DatabaseAccountsClient) UpdateResponder(resp *http.Response) (result DatabaseAccountGetResults, err error) {
	err = autorest.Respond(
		resp,
		azure.WithErrorUnlessStatusCode(http.StatusOK),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}