package eventhub

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

// NamespacesClient is the azure Event Hubs client
type NamespacesClient struct {
	ManagementClient
}

// NewNamespacesClient creates an instance of the NamespacesClient client.
func NewNamespacesClient(subscriptionID string) NamespacesClient {
	return NewNamespacesClientWithBaseURI(DefaultBaseURI, subscriptionID)
}

// NewNamespacesClientWithBaseURI creates an instance of the NamespacesClient client.
func NewNamespacesClientWithBaseURI(baseURI string, subscriptionID string) NamespacesClient {
	return NamespacesClient{NewWithBaseURI(baseURI, subscriptionID)}
}

// CheckNameAvailability check the give Namespace name availability.
//
// parameters is parameters to check availability of the given Namespace name
func (client NamespacesClient) CheckNameAvailability(parameters CheckNameAvailabilityParameter) (result CheckNameAvailabilityResult, err error) {
	if err := validation.Validate([]validation.Validation{
		{TargetValue: parameters,
			Constraints: []validation.Constraint{{Target: "parameters.Name", Name: validation.Null, Rule: true, Chain: nil}}}}); err != nil {
		return result, validation.NewErrorWithValidationError(err, "eventhub.NamespacesClient", "CheckNameAvailability")
	}

	req, err := client.CheckNameAvailabilityPreparer(parameters)
	if err != nil {
		err = autorest.NewErrorWithError(err, "eventhub.NamespacesClient", "CheckNameAvailability", nil, "Failure preparing request")
		return
	}

	resp, err := client.CheckNameAvailabilitySender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "eventhub.NamespacesClient", "CheckNameAvailability", resp, "Failure sending request")
		return
	}

	result, err = client.CheckNameAvailabilityResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "eventhub.NamespacesClient", "CheckNameAvailability", resp, "Failure responding to request")
	}

	return
}

// CheckNameAvailabilityPreparer prepares the CheckNameAvailability request.
func (client NamespacesClient) CheckNameAvailabilityPreparer(parameters CheckNameAvailabilityParameter) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"subscriptionId": autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2017-04-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsJSON(),
		autorest.AsPost(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/providers/Microsoft.EventHub/CheckNameAvailability", pathParameters),
		autorest.WithJSON(parameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare(&http.Request{})
}

// CheckNameAvailabilitySender sends the CheckNameAvailability request. The method will close the
// http.Response Body if it receives an error.
func (client NamespacesClient) CheckNameAvailabilitySender(req *http.Request) (*http.Response, error) {
	return autorest.SendWithSender(client,
		req,
		azure.DoRetryWithRegistration(client.Client))
}

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

// CreateOrUpdate creates or updates a namespace. Once created, this namespace's resource manifest is immutable. This
// operation is idempotent. This method may poll for completion. Polling can be canceled by passing the cancel channel
// argument. The channel will be used to cancel polling and any outstanding HTTP requests.
//
// resourceGroupName is name of the resource group within the azure subscription. namespaceName is the Namespace name
// parameters is parameters for creating a namespace resource.
func (client NamespacesClient) CreateOrUpdate(resourceGroupName string, namespaceName string, parameters EHNamespace, cancel <-chan struct{}) (<-chan EHNamespace, <-chan error) {
	resultChan := make(chan EHNamespace, 1)
	errChan := make(chan error, 1)
	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}}},
		{TargetValue: namespaceName,
			Constraints: []validation.Constraint{{Target: "namespaceName", Name: validation.MaxLength, Rule: 50, Chain: nil},
				{Target: "namespaceName", Name: validation.MinLength, Rule: 6, Chain: nil}}},
		{TargetValue: parameters,
			Constraints: []validation.Constraint{{Target: "parameters.Sku", Name: validation.Null, Rule: false,
				Chain: []validation.Constraint{{Target: "parameters.Sku.Capacity", Name: validation.Null, Rule: false,
					Chain: []validation.Constraint{{Target: "parameters.Sku.Capacity", Name: validation.InclusiveMaximum, Rule: 20, Chain: nil},
						{Target: "parameters.Sku.Capacity", Name: validation.InclusiveMinimum, Rule: 0, Chain: nil},
					}},
				}},
				{Target: "parameters.EHNamespaceProperties", Name: validation.Null, Rule: false,
					Chain: []validation.Constraint{{Target: "parameters.EHNamespaceProperties.MaximumThroughputUnits", Name: validation.Null, Rule: false,
						Chain: []validation.Constraint{{Target: "parameters.EHNamespaceProperties.MaximumThroughputUnits", Name: validation.InclusiveMaximum, Rule: 20, Chain: nil},
							{Target: "parameters.EHNamespaceProperties.MaximumThroughputUnits", Name: validation.InclusiveMinimum, Rule: 0, Chain: nil},
						}},
					}}}}}); err != nil {
		errChan <- validation.NewErrorWithValidationError(err, "eventhub.NamespacesClient", "CreateOrUpdate")
		close(errChan)
		close(resultChan)
		return resultChan, errChan
	}

	go func() {
		var err error
		var result EHNamespace
		defer func() {
			if err != nil {
				errChan <- err
			}
			resultChan <- result
			close(resultChan)
			close(errChan)
		}()
		req, err := client.CreateOrUpdatePreparer(resourceGroupName, namespaceName, parameters, cancel)
		if err != nil {
			err = autorest.NewErrorWithError(err, "eventhub.NamespacesClient", "CreateOrUpdate", nil, "Failure preparing request")
			return
		}

		resp, err := client.CreateOrUpdateSender(req)
		if err != nil {
			result.Response = autorest.Response{Response: resp}
			err = autorest.NewErrorWithError(err, "eventhub.NamespacesClient", "CreateOrUpdate", resp, "Failure sending request")
			return
		}

		result, err = client.CreateOrUpdateResponder(resp)
		if err != nil {
			err = autorest.NewErrorWithError(err, "eventhub.NamespacesClient", "CreateOrUpdate", resp, "Failure responding to request")
		}
	}()
	return resultChan, errChan
}

// CreateOrUpdatePreparer prepares the CreateOrUpdate request.
func (client NamespacesClient) CreateOrUpdatePreparer(resourceGroupName string, namespaceName string, parameters EHNamespace, cancel <-chan struct{}) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"namespaceName":     autorest.Encode("path", namespaceName),
		"resourceGroupName": autorest.Encode("path", resourceGroupName),
		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2017-04-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsJSON(),
		autorest.AsPut(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.EventHub/namespaces/{namespaceName}", pathParameters),
		autorest.WithJSON(parameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare(&http.Request{Cancel: cancel})
}

// CreateOrUpdateSender sends the CreateOrUpdate request. The method will close the
// http.Response Body if it receives an error.
func (client NamespacesClient) CreateOrUpdateSender(req *http.Request) (*http.Response, error) {
	return autorest.SendWithSender(client,
		req,
		azure.DoRetryWithRegistration(client.Client),
		azure.DoPollForAsynchronous(client.PollingDelay))
}

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

// CreateOrUpdateAuthorizationRule creates or updates an AuthorizationRule for a Namespace.
//
// resourceGroupName is name of the resource group within the azure subscription. namespaceName is the Namespace name
// authorizationRuleName is the authorization rule name. parameters is the shared access AuthorizationRule.
func (client NamespacesClient) CreateOrUpdateAuthorizationRule(resourceGroupName string, namespaceName string, authorizationRuleName string, parameters AuthorizationRule) (result AuthorizationRule, err error) {
	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}}},
		{TargetValue: namespaceName,
			Constraints: []validation.Constraint{{Target: "namespaceName", Name: validation.MaxLength, Rule: 50, Chain: nil},
				{Target: "namespaceName", Name: validation.MinLength, Rule: 6, Chain: nil}}},
		{TargetValue: authorizationRuleName,
			Constraints: []validation.Constraint{{Target: "authorizationRuleName", Name: validation.MinLength, Rule: 1, Chain: nil}}}}); err != nil {
		return result, validation.NewErrorWithValidationError(err, "eventhub.NamespacesClient", "CreateOrUpdateAuthorizationRule")
	}

	req, err := client.CreateOrUpdateAuthorizationRulePreparer(resourceGroupName, namespaceName, authorizationRuleName, parameters)
	if err != nil {
		err = autorest.NewErrorWithError(err, "eventhub.NamespacesClient", "CreateOrUpdateAuthorizationRule", nil, "Failure preparing request")
		return
	}

	resp, err := client.CreateOrUpdateAuthorizationRuleSender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "eventhub.NamespacesClient", "CreateOrUpdateAuthorizationRule", resp, "Failure sending request")
		return
	}

	result, err = client.CreateOrUpdateAuthorizationRuleResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "eventhub.NamespacesClient", "CreateOrUpdateAuthorizationRule", resp, "Failure responding to request")
	}

	return
}

// CreateOrUpdateAuthorizationRulePreparer prepares the CreateOrUpdateAuthorizationRule request.
func (client NamespacesClient) CreateOrUpdateAuthorizationRulePreparer(resourceGroupName string, namespaceName string, authorizationRuleName string, parameters AuthorizationRule) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"authorizationRuleName": autorest.Encode("path", authorizationRuleName),
		"namespaceName":         autorest.Encode("path", namespaceName),
		"resourceGroupName":     autorest.Encode("path", resourceGroupName),
		"subscriptionId":        autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2017-04-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsJSON(),
		autorest.AsPut(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.EventHub/namespaces/{namespaceName}/AuthorizationRules/{authorizationRuleName}", pathParameters),
		autorest.WithJSON(parameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare(&http.Request{})
}

// CreateOrUpdateAuthorizationRuleSender sends the CreateOrUpdateAuthorizationRule request. The method will close the
// http.Response Body if it receives an error.
func (client NamespacesClient) CreateOrUpdateAuthorizationRuleSender(req *http.Request) (*http.Response, error) {
	return autorest.SendWithSender(client,
		req,
		azure.DoRetryWithRegistration(client.Client))
}

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

// Delete deletes an existing namespace. This operation also removes all associated resources under the namespace. This
// method may poll for completion. Polling can be canceled by passing the cancel channel argument. The channel will be
// used to cancel polling and any outstanding HTTP requests.
//
// resourceGroupName is name of the resource group within the azure subscription. namespaceName is the Namespace name
func (client NamespacesClient) Delete(resourceGroupName string, namespaceName string, cancel <-chan struct{}) (<-chan autorest.Response, <-chan error) {
	resultChan := make(chan autorest.Response, 1)
	errChan := make(chan error, 1)
	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}}},
		{TargetValue: namespaceName,
			Constraints: []validation.Constraint{{Target: "namespaceName", Name: validation.MaxLength, Rule: 50, Chain: nil},
				{Target: "namespaceName", Name: validation.MinLength, Rule: 6, Chain: nil}}}}); err != nil {
		errChan <- validation.NewErrorWithValidationError(err, "eventhub.NamespacesClient", "Delete")
		close(errChan)
		close(resultChan)
		return resultChan, errChan
	}

	go func() {
		var err error
		var result autorest.Response
		defer func() {
			if err != nil {
				errChan <- err
			}
			resultChan <- result
			close(resultChan)
			close(errChan)
		}()
		req, err := client.DeletePreparer(resourceGroupName, namespaceName, cancel)
		if err != nil {
			err = autorest.NewErrorWithError(err, "eventhub.NamespacesClient", "Delete", nil, "Failure preparing request")
			return
		}

		resp, err := client.DeleteSender(req)
		if err != nil {
			result.Response = resp
			err = autorest.NewErrorWithError(err, "eventhub.NamespacesClient", "Delete", resp, "Failure sending request")
			return
		}

		result, err = client.DeleteResponder(resp)
		if err != nil {
			err = autorest.NewErrorWithError(err, "eventhub.NamespacesClient", "Delete", resp, "Failure responding to request")
		}
	}()
	return resultChan, errChan
}

// DeletePreparer prepares the Delete request.
func (client NamespacesClient) DeletePreparer(resourceGroupName string, namespaceName string, cancel <-chan struct{}) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"namespaceName":     autorest.Encode("path", namespaceName),
		"resourceGroupName": autorest.Encode("path", resourceGroupName),
		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2017-04-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsDelete(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.EventHub/namespaces/{namespaceName}", pathParameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare(&http.Request{Cancel: cancel})
}

// DeleteSender sends the Delete request. The method will close the
// http.Response Body if it receives an error.
func (client NamespacesClient) DeleteSender(req *http.Request) (*http.Response, error) {
	return autorest.SendWithSender(client,
		req,
		azure.DoRetryWithRegistration(client.Client),
		azure.DoPollForAsynchronous(client.PollingDelay))
}

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

// DeleteAuthorizationRule deletes an AuthorizationRule for a Namespace.
//
// resourceGroupName is name of the resource group within the azure subscription. namespaceName is the Namespace name
// authorizationRuleName is the authorization rule name.
func (client NamespacesClient) DeleteAuthorizationRule(resourceGroupName string, namespaceName string, authorizationRuleName string) (result autorest.Response, err error) {
	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}}},
		{TargetValue: namespaceName,
			Constraints: []validation.Constraint{{Target: "namespaceName", Name: validation.MaxLength, Rule: 50, Chain: nil},
				{Target: "namespaceName", Name: validation.MinLength, Rule: 6, Chain: nil}}},
		{TargetValue: authorizationRuleName,
			Constraints: []validation.Constraint{{Target: "authorizationRuleName", Name: validation.MinLength, Rule: 1, Chain: nil}}}}); err != nil {
		return result, validation.NewErrorWithValidationError(err, "eventhub.NamespacesClient", "DeleteAuthorizationRule")
	}

	req, err := client.DeleteAuthorizationRulePreparer(resourceGroupName, namespaceName, authorizationRuleName)
	if err != nil {
		err = autorest.NewErrorWithError(err, "eventhub.NamespacesClient", "DeleteAuthorizationRule", nil, "Failure preparing request")
		return
	}

	resp, err := client.DeleteAuthorizationRuleSender(req)
	if err != nil {
		result.Response = resp
		err = autorest.NewErrorWithError(err, "eventhub.NamespacesClient", "DeleteAuthorizationRule", resp, "Failure sending request")
		return
	}

	result, err = client.DeleteAuthorizationRuleResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "eventhub.NamespacesClient", "DeleteAuthorizationRule", resp, "Failure responding to request")
	}

	return
}

// DeleteAuthorizationRulePreparer prepares the DeleteAuthorizationRule request.
func (client NamespacesClient) DeleteAuthorizationRulePreparer(resourceGroupName string, namespaceName string, authorizationRuleName string) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"authorizationRuleName": autorest.Encode("path", authorizationRuleName),
		"namespaceName":         autorest.Encode("path", namespaceName),
		"resourceGroupName":     autorest.Encode("path", resourceGroupName),
		"subscriptionId":        autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2017-04-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsDelete(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.EventHub/namespaces/{namespaceName}/AuthorizationRules/{authorizationRuleName}", pathParameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare(&http.Request{})
}

// DeleteAuthorizationRuleSender sends the DeleteAuthorizationRule request. The method will close the
// http.Response Body if it receives an error.
func (client NamespacesClient) DeleteAuthorizationRuleSender(req *http.Request) (*http.Response, error) {
	return autorest.SendWithSender(client,
		req,
		azure.DoRetryWithRegistration(client.Client))
}

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

// Get gets the description of the specified namespace.
//
// resourceGroupName is name of the resource group within the azure subscription. namespaceName is the Namespace name
func (client NamespacesClient) Get(resourceGroupName string, namespaceName string) (result EHNamespace, err error) {
	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}}},
		{TargetValue: namespaceName,
			Constraints: []validation.Constraint{{Target: "namespaceName", Name: validation.MaxLength, Rule: 50, Chain: nil},
				{Target: "namespaceName", Name: validation.MinLength, Rule: 6, Chain: nil}}}}); err != nil {
		return result, validation.NewErrorWithValidationError(err, "eventhub.NamespacesClient", "Get")
	}

	req, err := client.GetPreparer(resourceGroupName, namespaceName)
	if err != nil {
		err = autorest.NewErrorWithError(err, "eventhub.NamespacesClient", "Get", nil, "Failure preparing request")
		return
	}

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

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

	return
}

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

	const APIVersion = "2017-04-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

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

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

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

// GetAuthorizationRule gets an AuthorizationRule for a Namespace by rule name.
//
// resourceGroupName is name of the resource group within the azure subscription. namespaceName is the Namespace name
// authorizationRuleName is the authorization rule name.
func (client NamespacesClient) GetAuthorizationRule(resourceGroupName string, namespaceName string, authorizationRuleName string) (result AuthorizationRule, err error) {
	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}}},
		{TargetValue: namespaceName,
			Constraints: []validation.Constraint{{Target: "namespaceName", Name: validation.MaxLength, Rule: 50, Chain: nil},
				{Target: "namespaceName", Name: validation.MinLength, Rule: 6, Chain: nil}}},
		{TargetValue: authorizationRuleName,
			Constraints: []validation.Constraint{{Target: "authorizationRuleName", Name: validation.MinLength, Rule: 1, Chain: nil}}}}); err != nil {
		return result, validation.NewErrorWithValidationError(err, "eventhub.NamespacesClient", "GetAuthorizationRule")
	}

	req, err := client.GetAuthorizationRulePreparer(resourceGroupName, namespaceName, authorizationRuleName)
	if err != nil {
		err = autorest.NewErrorWithError(err, "eventhub.NamespacesClient", "GetAuthorizationRule", nil, "Failure preparing request")
		return
	}

	resp, err := client.GetAuthorizationRuleSender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "eventhub.NamespacesClient", "GetAuthorizationRule", resp, "Failure sending request")
		return
	}

	result, err = client.GetAuthorizationRuleResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "eventhub.NamespacesClient", "GetAuthorizationRule", resp, "Failure responding to request")
	}

	return
}

// GetAuthorizationRulePreparer prepares the GetAuthorizationRule request.
func (client NamespacesClient) GetAuthorizationRulePreparer(resourceGroupName string, namespaceName string, authorizationRuleName string) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"authorizationRuleName": autorest.Encode("path", authorizationRuleName),
		"namespaceName":         autorest.Encode("path", namespaceName),
		"resourceGroupName":     autorest.Encode("path", resourceGroupName),
		"subscriptionId":        autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2017-04-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsGet(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.EventHub/namespaces/{namespaceName}/AuthorizationRules/{authorizationRuleName}", pathParameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare(&http.Request{})
}

// GetAuthorizationRuleSender sends the GetAuthorizationRule request. The method will close the
// http.Response Body if it receives an error.
func (client NamespacesClient) GetAuthorizationRuleSender(req *http.Request) (*http.Response, error) {
	return autorest.SendWithSender(client,
		req,
		azure.DoRetryWithRegistration(client.Client))
}

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

// List lists all the available Namespaces within a subscription, irrespective of the resource groups.
func (client NamespacesClient) List() (result EHNamespaceListResult, err error) {
	req, err := client.ListPreparer()
	if err != nil {
		err = autorest.NewErrorWithError(err, "eventhub.NamespacesClient", "List", nil, "Failure preparing request")
		return
	}

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

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

	return
}

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

	const APIVersion = "2017-04-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

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

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

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

// ListNextResults retrieves the next set of results, if any.
func (client NamespacesClient) ListNextResults(lastResults EHNamespaceListResult) (result EHNamespaceListResult, err error) {
	req, err := lastResults.EHNamespaceListResultPreparer()
	if err != nil {
		return result, autorest.NewErrorWithError(err, "eventhub.NamespacesClient", "List", nil, "Failure preparing next results request")
	}
	if req == nil {
		return
	}

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

	result, err = client.ListResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "eventhub.NamespacesClient", "List", resp, "Failure responding to next results request")
	}

	return
}

// ListComplete gets all elements from the list without paging.
func (client NamespacesClient) ListComplete(cancel <-chan struct{}) (<-chan EHNamespace, <-chan error) {
	resultChan := make(chan EHNamespace)
	errChan := make(chan error, 1)
	go func() {
		defer func() {
			close(resultChan)
			close(errChan)
		}()
		list, err := client.List()
		if err != nil {
			errChan <- err
			return
		}
		if list.Value != nil {
			for _, item := range *list.Value {
				select {
				case <-cancel:
					return
				case resultChan <- item:
					// Intentionally left blank
				}
			}
		}
		for list.NextLink != nil {
			list, err = client.ListNextResults(list)
			if err != nil {
				errChan <- err
				return
			}
			if list.Value != nil {
				for _, item := range *list.Value {
					select {
					case <-cancel:
						return
					case resultChan <- item:
						// Intentionally left blank
					}
				}
			}
		}
	}()
	return resultChan, errChan
}

// ListAuthorizationRules gets a list of authorization rules for a Namespace.
//
// resourceGroupName is name of the resource group within the azure subscription. namespaceName is the Namespace name
func (client NamespacesClient) ListAuthorizationRules(resourceGroupName string, namespaceName string) (result AuthorizationRuleListResult, err error) {
	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}}},
		{TargetValue: namespaceName,
			Constraints: []validation.Constraint{{Target: "namespaceName", Name: validation.MaxLength, Rule: 50, Chain: nil},
				{Target: "namespaceName", Name: validation.MinLength, Rule: 6, Chain: nil}}}}); err != nil {
		return result, validation.NewErrorWithValidationError(err, "eventhub.NamespacesClient", "ListAuthorizationRules")
	}

	req, err := client.ListAuthorizationRulesPreparer(resourceGroupName, namespaceName)
	if err != nil {
		err = autorest.NewErrorWithError(err, "eventhub.NamespacesClient", "ListAuthorizationRules", nil, "Failure preparing request")
		return
	}

	resp, err := client.ListAuthorizationRulesSender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "eventhub.NamespacesClient", "ListAuthorizationRules", resp, "Failure sending request")
		return
	}

	result, err = client.ListAuthorizationRulesResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "eventhub.NamespacesClient", "ListAuthorizationRules", resp, "Failure responding to request")
	}

	return
}

// ListAuthorizationRulesPreparer prepares the ListAuthorizationRules request.
func (client NamespacesClient) ListAuthorizationRulesPreparer(resourceGroupName string, namespaceName string) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"namespaceName":     autorest.Encode("path", namespaceName),
		"resourceGroupName": autorest.Encode("path", resourceGroupName),
		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2017-04-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

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

// ListAuthorizationRulesSender sends the ListAuthorizationRules request. The method will close the
// http.Response Body if it receives an error.
func (client NamespacesClient) ListAuthorizationRulesSender(req *http.Request) (*http.Response, error) {
	return autorest.SendWithSender(client,
		req,
		azure.DoRetryWithRegistration(client.Client))
}

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

// ListAuthorizationRulesNextResults retrieves the next set of results, if any.
func (client NamespacesClient) ListAuthorizationRulesNextResults(lastResults AuthorizationRuleListResult) (result AuthorizationRuleListResult, err error) {
	req, err := lastResults.AuthorizationRuleListResultPreparer()
	if err != nil {
		return result, autorest.NewErrorWithError(err, "eventhub.NamespacesClient", "ListAuthorizationRules", nil, "Failure preparing next results request")
	}
	if req == nil {
		return
	}

	resp, err := client.ListAuthorizationRulesSender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		return result, autorest.NewErrorWithError(err, "eventhub.NamespacesClient", "ListAuthorizationRules", resp, "Failure sending next results request")
	}

	result, err = client.ListAuthorizationRulesResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "eventhub.NamespacesClient", "ListAuthorizationRules", resp, "Failure responding to next results request")
	}

	return
}

// ListAuthorizationRulesComplete gets all elements from the list without paging.
func (client NamespacesClient) ListAuthorizationRulesComplete(resourceGroupName string, namespaceName string, cancel <-chan struct{}) (<-chan AuthorizationRule, <-chan error) {
	resultChan := make(chan AuthorizationRule)
	errChan := make(chan error, 1)
	go func() {
		defer func() {
			close(resultChan)
			close(errChan)
		}()
		list, err := client.ListAuthorizationRules(resourceGroupName, namespaceName)
		if err != nil {
			errChan <- err
			return
		}
		if list.Value != nil {
			for _, item := range *list.Value {
				select {
				case <-cancel:
					return
				case resultChan <- item:
					// Intentionally left blank
				}
			}
		}
		for list.NextLink != nil {
			list, err = client.ListAuthorizationRulesNextResults(list)
			if err != nil {
				errChan <- err
				return
			}
			if list.Value != nil {
				for _, item := range *list.Value {
					select {
					case <-cancel:
						return
					case resultChan <- item:
						// Intentionally left blank
					}
				}
			}
		}
	}()
	return resultChan, errChan
}

// ListByResourceGroup lists the available Namespaces within a resource group.
//
// resourceGroupName is name of the resource group within the azure subscription.
func (client NamespacesClient) ListByResourceGroup(resourceGroupName string) (result EHNamespaceListResult, err error) {
	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}}}}); err != nil {
		return result, validation.NewErrorWithValidationError(err, "eventhub.NamespacesClient", "ListByResourceGroup")
	}

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

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

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

	return
}

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

	const APIVersion = "2017-04-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

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

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

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

// ListByResourceGroupNextResults retrieves the next set of results, if any.
func (client NamespacesClient) ListByResourceGroupNextResults(lastResults EHNamespaceListResult) (result EHNamespaceListResult, err error) {
	req, err := lastResults.EHNamespaceListResultPreparer()
	if err != nil {
		return result, autorest.NewErrorWithError(err, "eventhub.NamespacesClient", "ListByResourceGroup", nil, "Failure preparing next results request")
	}
	if req == nil {
		return
	}

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

	result, err = client.ListByResourceGroupResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "eventhub.NamespacesClient", "ListByResourceGroup", resp, "Failure responding to next results request")
	}

	return
}

// ListByResourceGroupComplete gets all elements from the list without paging.
func (client NamespacesClient) ListByResourceGroupComplete(resourceGroupName string, cancel <-chan struct{}) (<-chan EHNamespace, <-chan error) {
	resultChan := make(chan EHNamespace)
	errChan := make(chan error, 1)
	go func() {
		defer func() {
			close(resultChan)
			close(errChan)
		}()
		list, err := client.ListByResourceGroup(resourceGroupName)
		if err != nil {
			errChan <- err
			return
		}
		if list.Value != nil {
			for _, item := range *list.Value {
				select {
				case <-cancel:
					return
				case resultChan <- item:
					// Intentionally left blank
				}
			}
		}
		for list.NextLink != nil {
			list, err = client.ListByResourceGroupNextResults(list)
			if err != nil {
				errChan <- err
				return
			}
			if list.Value != nil {
				for _, item := range *list.Value {
					select {
					case <-cancel:
						return
					case resultChan <- item:
						// Intentionally left blank
					}
				}
			}
		}
	}()
	return resultChan, errChan
}

// ListKeys gets the primary and secondary connection strings for the Namespace.
//
// resourceGroupName is name of the resource group within the azure subscription. namespaceName is the Namespace name
// authorizationRuleName is the authorization rule name.
func (client NamespacesClient) ListKeys(resourceGroupName string, namespaceName string, authorizationRuleName string) (result AccessKeys, err error) {
	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}}},
		{TargetValue: namespaceName,
			Constraints: []validation.Constraint{{Target: "namespaceName", Name: validation.MaxLength, Rule: 50, Chain: nil},
				{Target: "namespaceName", Name: validation.MinLength, Rule: 6, Chain: nil}}},
		{TargetValue: authorizationRuleName,
			Constraints: []validation.Constraint{{Target: "authorizationRuleName", Name: validation.MinLength, Rule: 1, Chain: nil}}}}); err != nil {
		return result, validation.NewErrorWithValidationError(err, "eventhub.NamespacesClient", "ListKeys")
	}

	req, err := client.ListKeysPreparer(resourceGroupName, namespaceName, authorizationRuleName)
	if err != nil {
		err = autorest.NewErrorWithError(err, "eventhub.NamespacesClient", "ListKeys", nil, "Failure preparing request")
		return
	}

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

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

	return
}

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

	const APIVersion = "2017-04-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsPost(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.EventHub/namespaces/{namespaceName}/AuthorizationRules/{authorizationRuleName}/listKeys", pathParameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare(&http.Request{})
}

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

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

// RegenerateKeys regenerates the primary or secondary connection strings for the specified Namespace.
//
// resourceGroupName is name of the resource group within the azure subscription. namespaceName is the Namespace name
// authorizationRuleName is the authorization rule name. parameters is parameters required to regenerate the connection
// string.
func (client NamespacesClient) RegenerateKeys(resourceGroupName string, namespaceName string, authorizationRuleName string, parameters RegenerateAccessKeyParameters) (result AccessKeys, err error) {
	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}}},
		{TargetValue: namespaceName,
			Constraints: []validation.Constraint{{Target: "namespaceName", Name: validation.MaxLength, Rule: 50, Chain: nil},
				{Target: "namespaceName", Name: validation.MinLength, Rule: 6, Chain: nil}}},
		{TargetValue: authorizationRuleName,
			Constraints: []validation.Constraint{{Target: "authorizationRuleName", Name: validation.MinLength, Rule: 1, Chain: nil}}}}); err != nil {
		return result, validation.NewErrorWithValidationError(err, "eventhub.NamespacesClient", "RegenerateKeys")
	}

	req, err := client.RegenerateKeysPreparer(resourceGroupName, namespaceName, authorizationRuleName, parameters)
	if err != nil {
		err = autorest.NewErrorWithError(err, "eventhub.NamespacesClient", "RegenerateKeys", nil, "Failure preparing request")
		return
	}

	resp, err := client.RegenerateKeysSender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "eventhub.NamespacesClient", "RegenerateKeys", resp, "Failure sending request")
		return
	}

	result, err = client.RegenerateKeysResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "eventhub.NamespacesClient", "RegenerateKeys", resp, "Failure responding to request")
	}

	return
}

// RegenerateKeysPreparer prepares the RegenerateKeys request.
func (client NamespacesClient) RegenerateKeysPreparer(resourceGroupName string, namespaceName string, authorizationRuleName string, parameters RegenerateAccessKeyParameters) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"authorizationRuleName": autorest.Encode("path", authorizationRuleName),
		"namespaceName":         autorest.Encode("path", namespaceName),
		"resourceGroupName":     autorest.Encode("path", resourceGroupName),
		"subscriptionId":        autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2017-04-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsJSON(),
		autorest.AsPost(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.EventHub/namespaces/{namespaceName}/AuthorizationRules/{authorizationRuleName}/regenerateKeys", pathParameters),
		autorest.WithJSON(parameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare(&http.Request{})
}

// RegenerateKeysSender sends the RegenerateKeys request. The method will close the
// http.Response Body if it receives an error.
func (client NamespacesClient) RegenerateKeysSender(req *http.Request) (*http.Response, error) {
	return autorest.SendWithSender(client,
		req,
		azure.DoRetryWithRegistration(client.Client))
}

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

// Update creates or updates a namespace. Once created, this namespace's resource manifest is immutable. This operation
// is idempotent.
//
// resourceGroupName is name of the resource group within the azure subscription. namespaceName is the Namespace name
// parameters is parameters for updating a namespace resource.
func (client NamespacesClient) Update(resourceGroupName string, namespaceName string, parameters EHNamespace) (result EHNamespace, err error) {
	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}}},
		{TargetValue: namespaceName,
			Constraints: []validation.Constraint{{Target: "namespaceName", Name: validation.MaxLength, Rule: 50, Chain: nil},
				{Target: "namespaceName", Name: validation.MinLength, Rule: 6, Chain: nil}}}}); err != nil {
		return result, validation.NewErrorWithValidationError(err, "eventhub.NamespacesClient", "Update")
	}

	req, err := client.UpdatePreparer(resourceGroupName, namespaceName, parameters)
	if err != nil {
		err = autorest.NewErrorWithError(err, "eventhub.NamespacesClient", "Update", nil, "Failure preparing request")
		return
	}

	resp, err := client.UpdateSender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "eventhub.NamespacesClient", "Update", resp, "Failure sending request")
		return
	}

	result, err = client.UpdateResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "eventhub.NamespacesClient", "Update", resp, "Failure responding to request")
	}

	return
}

// UpdatePreparer prepares the Update request.
func (client NamespacesClient) UpdatePreparer(resourceGroupName string, namespaceName string, parameters EHNamespace) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"namespaceName":     autorest.Encode("path", namespaceName),
		"resourceGroupName": autorest.Encode("path", resourceGroupName),
		"subscriptionId":    autorest.Encode("path", client.SubscriptionID),
	}

	const APIVersion = "2017-04-01"
	queryParameters := map[string]interface{}{
		"api-version": APIVersion,
	}

	preparer := autorest.CreatePreparer(
		autorest.AsJSON(),
		autorest.AsPatch(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.EventHub/namespaces/{namespaceName}", pathParameters),
		autorest.WithJSON(parameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare(&http.Request{})
}

// UpdateSender sends the Update request. The method will close the
// http.Response Body if it receives an error.
func (client NamespacesClient) UpdateSender(req *http.Request) (*http.Response, error) {
	return autorest.SendWithSender(client,
		req,
		azure.DoRetryWithRegistration(client.Client))
}

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