package eventhub

// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License. See License.txt in the project root for license information.
//
// 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"
)

// EventHubsClient is the azure Event Hubs client
type EventHubsClient struct {
	BaseClient
}

// NewEventHubsClient creates an instance of the EventHubsClient client.
func NewEventHubsClient(subscriptionID string) EventHubsClient {
	return NewEventHubsClientWithBaseURI(DefaultBaseURI, subscriptionID)
}

// NewEventHubsClientWithBaseURI creates an instance of the EventHubsClient 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 NewEventHubsClientWithBaseURI(baseURI string, subscriptionID string) EventHubsClient {
	return EventHubsClient{NewWithBaseURI(baseURI, subscriptionID)}
}

// CreateOrUpdate creates or updates a new Event Hub as a nested resource within a Namespace.
// Parameters:
// resourceGroupName - name of the resource group within the azure subscription.
// namespaceName - the Namespace name
// eventHubName - the Event Hub name
// parameters - parameters supplied to create an Event Hub resource.
func (client EventHubsClient) CreateOrUpdate(ctx context.Context, resourceGroupName string, namespaceName string, eventHubName string, parameters Model) (result Model, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/EventHubsClient.CreateOrUpdate")
		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}}},
		{TargetValue: namespaceName,
			Constraints: []validation.Constraint{{Target: "namespaceName", Name: validation.MaxLength, Rule: 50, Chain: nil},
				{Target: "namespaceName", Name: validation.MinLength, Rule: 6, Chain: nil}}},
		{TargetValue: eventHubName,
			Constraints: []validation.Constraint{{Target: "eventHubName", Name: validation.MaxLength, Rule: 256, Chain: nil},
				{Target: "eventHubName", Name: validation.MinLength, Rule: 1, Chain: nil}}},
		{TargetValue: parameters,
			Constraints: []validation.Constraint{{Target: "parameters.Properties", Name: validation.Null, Rule: false,
				Chain: []validation.Constraint{{Target: "parameters.Properties.MessageRetentionInDays", Name: validation.Null, Rule: false,
					Chain: []validation.Constraint{{Target: "parameters.Properties.MessageRetentionInDays", Name: validation.InclusiveMinimum, Rule: int64(1), Chain: nil}}},
					{Target: "parameters.Properties.PartitionCount", Name: validation.Null, Rule: false,
						Chain: []validation.Constraint{{Target: "parameters.Properties.PartitionCount", Name: validation.InclusiveMinimum, Rule: int64(1), Chain: nil}}},
					{Target: "parameters.Properties.CaptureDescription", Name: validation.Null, Rule: false,
						Chain: []validation.Constraint{{Target: "parameters.Properties.CaptureDescription.IntervalInSeconds", Name: validation.Null, Rule: false,
							Chain: []validation.Constraint{{Target: "parameters.Properties.CaptureDescription.IntervalInSeconds", Name: validation.InclusiveMaximum, Rule: int64(900), Chain: nil},
								{Target: "parameters.Properties.CaptureDescription.IntervalInSeconds", Name: validation.InclusiveMinimum, Rule: int64(60), Chain: nil},
							}},
							{Target: "parameters.Properties.CaptureDescription.SizeLimitInBytes", Name: validation.Null, Rule: false,
								Chain: []validation.Constraint{{Target: "parameters.Properties.CaptureDescription.SizeLimitInBytes", Name: validation.InclusiveMaximum, Rule: int64(524288000), Chain: nil},
									{Target: "parameters.Properties.CaptureDescription.SizeLimitInBytes", Name: validation.InclusiveMinimum, Rule: int64(10485760), Chain: nil},
								}},
						}},
				}}}}}); err != nil {
		return result, validation.NewError("eventhub.EventHubsClient", "CreateOrUpdate", err.Error())
	}

	req, err := client.CreateOrUpdatePreparer(ctx, resourceGroupName, namespaceName, eventHubName, parameters)
	if err != nil {
		err = autorest.NewErrorWithError(err, "eventhub.EventHubsClient", "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.EventHubsClient", "CreateOrUpdate", resp, "Failure sending request")
		return
	}

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

	return
}

// CreateOrUpdatePreparer prepares the CreateOrUpdate request.
func (client EventHubsClient) CreateOrUpdatePreparer(ctx context.Context, resourceGroupName string, namespaceName string, eventHubName string, parameters Model) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"eventHubName":      autorest.Encode("path", eventHubName),
		"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.AsContentType("application/json; charset=utf-8"),
		autorest.AsPut(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.EventHub/namespaces/{namespaceName}/eventhubs/{eventHubName}", pathParameters),
		autorest.WithJSON(parameters),
		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 EventHubsClient) CreateOrUpdateSender(req *http.Request) (*http.Response, error) {
	return client.Send(req, azure.DoRetryWithRegistration(client.Client))
}

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

// CreateOrUpdateAuthorizationRule creates or updates an AuthorizationRule for the specified Event Hub. Creation/update
// of the AuthorizationRule will take a few seconds to take effect.
// Parameters:
// resourceGroupName - name of the resource group within the azure subscription.
// namespaceName - the Namespace name
// eventHubName - the Event Hub name
// authorizationRuleName - the authorization rule name.
// parameters - the shared access AuthorizationRule.
func (client EventHubsClient) CreateOrUpdateAuthorizationRule(ctx context.Context, resourceGroupName string, namespaceName string, eventHubName string, authorizationRuleName string, parameters AuthorizationRule) (result AuthorizationRule, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/EventHubsClient.CreateOrUpdateAuthorizationRule")
		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}}},
		{TargetValue: namespaceName,
			Constraints: []validation.Constraint{{Target: "namespaceName", Name: validation.MaxLength, Rule: 50, Chain: nil},
				{Target: "namespaceName", Name: validation.MinLength, Rule: 6, Chain: nil}}},
		{TargetValue: eventHubName,
			Constraints: []validation.Constraint{{Target: "eventHubName", Name: validation.MaxLength, Rule: 256, Chain: nil},
				{Target: "eventHubName", Name: validation.MinLength, Rule: 1, Chain: nil}}},
		{TargetValue: authorizationRuleName,
			Constraints: []validation.Constraint{{Target: "authorizationRuleName", Name: validation.MinLength, Rule: 1, Chain: nil}}},
		{TargetValue: parameters,
			Constraints: []validation.Constraint{{Target: "parameters.AuthorizationRuleProperties", Name: validation.Null, Rule: false,
				Chain: []validation.Constraint{{Target: "parameters.AuthorizationRuleProperties.Rights", Name: validation.Null, Rule: true, Chain: nil}}}}}}); err != nil {
		return result, validation.NewError("eventhub.EventHubsClient", "CreateOrUpdateAuthorizationRule", err.Error())
	}

	req, err := client.CreateOrUpdateAuthorizationRulePreparer(ctx, resourceGroupName, namespaceName, eventHubName, authorizationRuleName, parameters)
	if err != nil {
		err = autorest.NewErrorWithError(err, "eventhub.EventHubsClient", "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.EventHubsClient", "CreateOrUpdateAuthorizationRule", resp, "Failure sending request")
		return
	}

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

	return
}

// CreateOrUpdateAuthorizationRulePreparer prepares the CreateOrUpdateAuthorizationRule request.
func (client EventHubsClient) CreateOrUpdateAuthorizationRulePreparer(ctx context.Context, resourceGroupName string, namespaceName string, eventHubName string, authorizationRuleName string, parameters AuthorizationRule) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"authorizationRuleName": autorest.Encode("path", authorizationRuleName),
		"eventHubName":          autorest.Encode("path", eventHubName),
		"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.AsContentType("application/json; charset=utf-8"),
		autorest.AsPut(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.EventHub/namespaces/{namespaceName}/eventhubs/{eventHubName}/authorizationRules/{authorizationRuleName}", pathParameters),
		autorest.WithJSON(parameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

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

// CreateOrUpdateAuthorizationRuleResponder handles the response to the CreateOrUpdateAuthorizationRule request. The method always
// closes the http.Response Body.
func (client EventHubsClient) CreateOrUpdateAuthorizationRuleResponder(resp *http.Response) (result AuthorizationRule, 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 Event Hub from the specified Namespace and resource group.
// Parameters:
// resourceGroupName - name of the resource group within the azure subscription.
// namespaceName - the Namespace name
// eventHubName - the Event Hub name
func (client EventHubsClient) Delete(ctx context.Context, resourceGroupName string, namespaceName string, eventHubName string) (result autorest.Response, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/EventHubsClient.Delete")
		defer func() {
			sc := -1
			if result.Response != nil {
				sc = result.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}}},
		{TargetValue: namespaceName,
			Constraints: []validation.Constraint{{Target: "namespaceName", Name: validation.MaxLength, Rule: 50, Chain: nil},
				{Target: "namespaceName", Name: validation.MinLength, Rule: 6, Chain: nil}}},
		{TargetValue: eventHubName,
			Constraints: []validation.Constraint{{Target: "eventHubName", Name: validation.MaxLength, Rule: 256, Chain: nil},
				{Target: "eventHubName", Name: validation.MinLength, Rule: 1, Chain: nil}}}}); err != nil {
		return result, validation.NewError("eventhub.EventHubsClient", "Delete", err.Error())
	}

	req, err := client.DeletePreparer(ctx, resourceGroupName, namespaceName, eventHubName)
	if err != nil {
		err = autorest.NewErrorWithError(err, "eventhub.EventHubsClient", "Delete", nil, "Failure preparing request")
		return
	}

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

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

	return
}

// DeletePreparer prepares the Delete request.
func (client EventHubsClient) DeletePreparer(ctx context.Context, resourceGroupName string, namespaceName string, eventHubName string) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"eventHubName":      autorest.Encode("path", eventHubName),
		"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}/eventhubs/{eventHubName}", 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 EventHubsClient) DeleteSender(req *http.Request) (*http.Response, error) {
	return client.Send(req, azure.DoRetryWithRegistration(client.Client))
}

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

// DeleteAuthorizationRule deletes an Event Hub AuthorizationRule.
// Parameters:
// resourceGroupName - name of the resource group within the azure subscription.
// namespaceName - the Namespace name
// eventHubName - the Event Hub name
// authorizationRuleName - the authorization rule name.
func (client EventHubsClient) DeleteAuthorizationRule(ctx context.Context, resourceGroupName string, namespaceName string, eventHubName string, authorizationRuleName string) (result autorest.Response, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/EventHubsClient.DeleteAuthorizationRule")
		defer func() {
			sc := -1
			if result.Response != nil {
				sc = result.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}}},
		{TargetValue: namespaceName,
			Constraints: []validation.Constraint{{Target: "namespaceName", Name: validation.MaxLength, Rule: 50, Chain: nil},
				{Target: "namespaceName", Name: validation.MinLength, Rule: 6, Chain: nil}}},
		{TargetValue: eventHubName,
			Constraints: []validation.Constraint{{Target: "eventHubName", Name: validation.MaxLength, Rule: 256, Chain: nil},
				{Target: "eventHubName", Name: validation.MinLength, Rule: 1, Chain: nil}}},
		{TargetValue: authorizationRuleName,
			Constraints: []validation.Constraint{{Target: "authorizationRuleName", Name: validation.MinLength, Rule: 1, Chain: nil}}}}); err != nil {
		return result, validation.NewError("eventhub.EventHubsClient", "DeleteAuthorizationRule", err.Error())
	}

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

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

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

	return
}

// DeleteAuthorizationRulePreparer prepares the DeleteAuthorizationRule request.
func (client EventHubsClient) DeleteAuthorizationRulePreparer(ctx context.Context, resourceGroupName string, namespaceName string, eventHubName string, authorizationRuleName string) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"authorizationRuleName": autorest.Encode("path", authorizationRuleName),
		"eventHubName":          autorest.Encode("path", eventHubName),
		"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}/eventhubs/{eventHubName}/authorizationRules/{authorizationRuleName}", pathParameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

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

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

// Get gets an Event Hubs description for the specified Event Hub.
// Parameters:
// resourceGroupName - name of the resource group within the azure subscription.
// namespaceName - the Namespace name
// eventHubName - the Event Hub name
func (client EventHubsClient) Get(ctx context.Context, resourceGroupName string, namespaceName string, eventHubName string) (result Model, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/EventHubsClient.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: 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: eventHubName,
			Constraints: []validation.Constraint{{Target: "eventHubName", Name: validation.MaxLength, Rule: 256, Chain: nil},
				{Target: "eventHubName", Name: validation.MinLength, Rule: 1, Chain: nil}}}}); err != nil {
		return result, validation.NewError("eventhub.EventHubsClient", "Get", err.Error())
	}

	req, err := client.GetPreparer(ctx, resourceGroupName, namespaceName, eventHubName)
	if err != nil {
		err = autorest.NewErrorWithError(err, "eventhub.EventHubsClient", "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.EventHubsClient", "Get", resp, "Failure sending request")
		return
	}

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

	return
}

// GetPreparer prepares the Get request.
func (client EventHubsClient) GetPreparer(ctx context.Context, resourceGroupName string, namespaceName string, eventHubName string) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"eventHubName":      autorest.Encode("path", eventHubName),
		"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}/eventhubs/{eventHubName}", 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 EventHubsClient) 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 EventHubsClient) GetResponder(resp *http.Response) (result Model, err error) {
	err = autorest.Respond(
		resp,
		azure.WithErrorUnlessStatusCode(http.StatusOK),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}

// GetAuthorizationRule gets an AuthorizationRule for an Event Hub by rule name.
// Parameters:
// resourceGroupName - name of the resource group within the azure subscription.
// namespaceName - the Namespace name
// eventHubName - the Event Hub name
// authorizationRuleName - the authorization rule name.
func (client EventHubsClient) GetAuthorizationRule(ctx context.Context, resourceGroupName string, namespaceName string, eventHubName string, authorizationRuleName string) (result AuthorizationRule, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/EventHubsClient.GetAuthorizationRule")
		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}}},
		{TargetValue: namespaceName,
			Constraints: []validation.Constraint{{Target: "namespaceName", Name: validation.MaxLength, Rule: 50, Chain: nil},
				{Target: "namespaceName", Name: validation.MinLength, Rule: 6, Chain: nil}}},
		{TargetValue: eventHubName,
			Constraints: []validation.Constraint{{Target: "eventHubName", Name: validation.MaxLength, Rule: 256, Chain: nil},
				{Target: "eventHubName", Name: validation.MinLength, Rule: 1, Chain: nil}}},
		{TargetValue: authorizationRuleName,
			Constraints: []validation.Constraint{{Target: "authorizationRuleName", Name: validation.MinLength, Rule: 1, Chain: nil}}}}); err != nil {
		return result, validation.NewError("eventhub.EventHubsClient", "GetAuthorizationRule", err.Error())
	}

	req, err := client.GetAuthorizationRulePreparer(ctx, resourceGroupName, namespaceName, eventHubName, authorizationRuleName)
	if err != nil {
		err = autorest.NewErrorWithError(err, "eventhub.EventHubsClient", "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.EventHubsClient", "GetAuthorizationRule", resp, "Failure sending request")
		return
	}

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

	return
}

// GetAuthorizationRulePreparer prepares the GetAuthorizationRule request.
func (client EventHubsClient) GetAuthorizationRulePreparer(ctx context.Context, resourceGroupName string, namespaceName string, eventHubName string, authorizationRuleName string) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"authorizationRuleName": autorest.Encode("path", authorizationRuleName),
		"eventHubName":          autorest.Encode("path", eventHubName),
		"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}/eventhubs/{eventHubName}/authorizationRules/{authorizationRuleName}", pathParameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

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

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

// ListAuthorizationRules gets the authorization rules for an Event Hub.
// Parameters:
// resourceGroupName - name of the resource group within the azure subscription.
// namespaceName - the Namespace name
// eventHubName - the Event Hub name
func (client EventHubsClient) ListAuthorizationRules(ctx context.Context, resourceGroupName string, namespaceName string, eventHubName string) (result AuthorizationRuleListResultPage, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/EventHubsClient.ListAuthorizationRules")
		defer func() {
			sc := -1
			if result.arlr.Response.Response != nil {
				sc = result.arlr.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}}},
		{TargetValue: namespaceName,
			Constraints: []validation.Constraint{{Target: "namespaceName", Name: validation.MaxLength, Rule: 50, Chain: nil},
				{Target: "namespaceName", Name: validation.MinLength, Rule: 6, Chain: nil}}},
		{TargetValue: eventHubName,
			Constraints: []validation.Constraint{{Target: "eventHubName", Name: validation.MaxLength, Rule: 256, Chain: nil},
				{Target: "eventHubName", Name: validation.MinLength, Rule: 1, Chain: nil}}}}); err != nil {
		return result, validation.NewError("eventhub.EventHubsClient", "ListAuthorizationRules", err.Error())
	}

	result.fn = client.listAuthorizationRulesNextResults
	req, err := client.ListAuthorizationRulesPreparer(ctx, resourceGroupName, namespaceName, eventHubName)
	if err != nil {
		err = autorest.NewErrorWithError(err, "eventhub.EventHubsClient", "ListAuthorizationRules", nil, "Failure preparing request")
		return
	}

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

	result.arlr, err = client.ListAuthorizationRulesResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "eventhub.EventHubsClient", "ListAuthorizationRules", resp, "Failure responding to request")
		return
	}
	if result.arlr.hasNextLink() && result.arlr.IsEmpty() {
		err = result.NextWithContext(ctx)
		return
	}

	return
}

// ListAuthorizationRulesPreparer prepares the ListAuthorizationRules request.
func (client EventHubsClient) ListAuthorizationRulesPreparer(ctx context.Context, resourceGroupName string, namespaceName string, eventHubName string) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"eventHubName":      autorest.Encode("path", eventHubName),
		"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}/eventhubs/{eventHubName}/authorizationRules", pathParameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

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

// ListAuthorizationRulesResponder handles the response to the ListAuthorizationRules request. The method always
// closes the http.Response Body.
func (client EventHubsClient) ListAuthorizationRulesResponder(resp *http.Response) (result AuthorizationRuleListResult, err error) {
	err = autorest.Respond(
		resp,
		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 EventHubsClient) listAuthorizationRulesNextResults(ctx context.Context, lastResults AuthorizationRuleListResult) (result AuthorizationRuleListResult, err error) {
	req, err := lastResults.authorizationRuleListResultPreparer(ctx)
	if err != nil {
		return result, autorest.NewErrorWithError(err, "eventhub.EventHubsClient", "listAuthorizationRulesNextResults", 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.EventHubsClient", "listAuthorizationRulesNextResults", resp, "Failure sending next results request")
	}
	result, err = client.ListAuthorizationRulesResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "eventhub.EventHubsClient", "listAuthorizationRulesNextResults", resp, "Failure responding to next results request")
	}
	return
}

// ListAuthorizationRulesComplete enumerates all values, automatically crossing page boundaries as required.
func (client EventHubsClient) ListAuthorizationRulesComplete(ctx context.Context, resourceGroupName string, namespaceName string, eventHubName string) (result AuthorizationRuleListResultIterator, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/EventHubsClient.ListAuthorizationRules")
		defer func() {
			sc := -1
			if result.Response().Response.Response != nil {
				sc = result.page.Response().Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	result.page, err = client.ListAuthorizationRules(ctx, resourceGroupName, namespaceName, eventHubName)
	return
}

// ListByNamespace gets all the Event Hubs in a Namespace.
// Parameters:
// resourceGroupName - name of the resource group within the azure subscription.
// namespaceName - the Namespace name
// skip - skip is only used if a previous operation returned a partial result. If a previous response contains
// a nextLink element, the value of the nextLink element will include a skip parameter that specifies a
// starting point to use for subsequent calls.
// top - may be used to limit the number of results to the most recent N usageDetails.
func (client EventHubsClient) ListByNamespace(ctx context.Context, resourceGroupName string, namespaceName string, skip *int32, top *int32) (result ListResultPage, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/EventHubsClient.ListByNamespace")
		defer func() {
			sc := -1
			if result.lr.Response.Response != nil {
				sc = result.lr.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}}},
		{TargetValue: namespaceName,
			Constraints: []validation.Constraint{{Target: "namespaceName", Name: validation.MaxLength, Rule: 50, Chain: nil},
				{Target: "namespaceName", Name: validation.MinLength, Rule: 6, Chain: nil}}},
		{TargetValue: skip,
			Constraints: []validation.Constraint{{Target: "skip", Name: validation.Null, Rule: false,
				Chain: []validation.Constraint{{Target: "skip", Name: validation.InclusiveMaximum, Rule: int64(1000), Chain: nil},
					{Target: "skip", Name: validation.InclusiveMinimum, Rule: int64(0), Chain: nil},
				}}}},
		{TargetValue: top,
			Constraints: []validation.Constraint{{Target: "top", Name: validation.Null, Rule: false,
				Chain: []validation.Constraint{{Target: "top", Name: validation.InclusiveMaximum, Rule: int64(1000), Chain: nil},
					{Target: "top", Name: validation.InclusiveMinimum, Rule: int64(1), Chain: nil},
				}}}}}); err != nil {
		return result, validation.NewError("eventhub.EventHubsClient", "ListByNamespace", err.Error())
	}

	result.fn = client.listByNamespaceNextResults
	req, err := client.ListByNamespacePreparer(ctx, resourceGroupName, namespaceName, skip, top)
	if err != nil {
		err = autorest.NewErrorWithError(err, "eventhub.EventHubsClient", "ListByNamespace", nil, "Failure preparing request")
		return
	}

	resp, err := client.ListByNamespaceSender(req)
	if err != nil {
		result.lr.Response = autorest.Response{Response: resp}
		err = autorest.NewErrorWithError(err, "eventhub.EventHubsClient", "ListByNamespace", resp, "Failure sending request")
		return
	}

	result.lr, err = client.ListByNamespaceResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "eventhub.EventHubsClient", "ListByNamespace", resp, "Failure responding to request")
		return
	}
	if result.lr.hasNextLink() && result.lr.IsEmpty() {
		err = result.NextWithContext(ctx)
		return
	}

	return
}

// ListByNamespacePreparer prepares the ListByNamespace request.
func (client EventHubsClient) ListByNamespacePreparer(ctx context.Context, resourceGroupName string, namespaceName string, skip *int32, top *int32) (*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,
	}
	if skip != nil {
		queryParameters["$skip"] = autorest.Encode("query", *skip)
	}
	if top != nil {
		queryParameters["$top"] = autorest.Encode("query", *top)
	}

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

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

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

// listByNamespaceNextResults retrieves the next set of results, if any.
func (client EventHubsClient) listByNamespaceNextResults(ctx context.Context, lastResults ListResult) (result ListResult, err error) {
	req, err := lastResults.listResultPreparer(ctx)
	if err != nil {
		return result, autorest.NewErrorWithError(err, "eventhub.EventHubsClient", "listByNamespaceNextResults", nil, "Failure preparing next results request")
	}
	if req == nil {
		return
	}
	resp, err := client.ListByNamespaceSender(req)
	if err != nil {
		result.Response = autorest.Response{Response: resp}
		return result, autorest.NewErrorWithError(err, "eventhub.EventHubsClient", "listByNamespaceNextResults", resp, "Failure sending next results request")
	}
	result, err = client.ListByNamespaceResponder(resp)
	if err != nil {
		err = autorest.NewErrorWithError(err, "eventhub.EventHubsClient", "listByNamespaceNextResults", resp, "Failure responding to next results request")
	}
	return
}

// ListByNamespaceComplete enumerates all values, automatically crossing page boundaries as required.
func (client EventHubsClient) ListByNamespaceComplete(ctx context.Context, resourceGroupName string, namespaceName string, skip *int32, top *int32) (result ListResultIterator, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/EventHubsClient.ListByNamespace")
		defer func() {
			sc := -1
			if result.Response().Response.Response != nil {
				sc = result.page.Response().Response.Response.StatusCode
			}
			tracing.EndSpan(ctx, sc, err)
		}()
	}
	result.page, err = client.ListByNamespace(ctx, resourceGroupName, namespaceName, skip, top)
	return
}

// ListKeys gets the ACS and SAS connection strings for the Event Hub.
// Parameters:
// resourceGroupName - name of the resource group within the azure subscription.
// namespaceName - the Namespace name
// eventHubName - the Event Hub name
// authorizationRuleName - the authorization rule name.
func (client EventHubsClient) ListKeys(ctx context.Context, resourceGroupName string, namespaceName string, eventHubName string, authorizationRuleName string) (result AccessKeys, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/EventHubsClient.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: 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: eventHubName,
			Constraints: []validation.Constraint{{Target: "eventHubName", Name: validation.MaxLength, Rule: 256, Chain: nil},
				{Target: "eventHubName", Name: validation.MinLength, Rule: 1, Chain: nil}}},
		{TargetValue: authorizationRuleName,
			Constraints: []validation.Constraint{{Target: "authorizationRuleName", Name: validation.MinLength, Rule: 1, Chain: nil}}}}); err != nil {
		return result, validation.NewError("eventhub.EventHubsClient", "ListKeys", err.Error())
	}

	req, err := client.ListKeysPreparer(ctx, resourceGroupName, namespaceName, eventHubName, authorizationRuleName)
	if err != nil {
		err = autorest.NewErrorWithError(err, "eventhub.EventHubsClient", "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.EventHubsClient", "ListKeys", resp, "Failure sending request")
		return
	}

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

	return
}

// ListKeysPreparer prepares the ListKeys request.
func (client EventHubsClient) ListKeysPreparer(ctx context.Context, resourceGroupName string, namespaceName string, eventHubName string, authorizationRuleName string) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"authorizationRuleName": autorest.Encode("path", authorizationRuleName),
		"eventHubName":          autorest.Encode("path", eventHubName),
		"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}/eventhubs/{eventHubName}/authorizationRules/{authorizationRuleName}/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 EventHubsClient) 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 EventHubsClient) ListKeysResponder(resp *http.Response) (result AccessKeys, err error) {
	err = autorest.Respond(
		resp,
		azure.WithErrorUnlessStatusCode(http.StatusOK),
		autorest.ByUnmarshallingJSON(&result),
		autorest.ByClosing())
	result.Response = autorest.Response{Response: resp}
	return
}

// RegenerateKeys regenerates the ACS and SAS connection strings for the Event Hub.
// Parameters:
// resourceGroupName - name of the resource group within the azure subscription.
// namespaceName - the Namespace name
// eventHubName - the Event Hub name
// authorizationRuleName - the authorization rule name.
// parameters - parameters supplied to regenerate the AuthorizationRule Keys (PrimaryKey/SecondaryKey).
func (client EventHubsClient) RegenerateKeys(ctx context.Context, resourceGroupName string, namespaceName string, eventHubName string, authorizationRuleName string, parameters RegenerateAccessKeyParameters) (result AccessKeys, err error) {
	if tracing.IsEnabled() {
		ctx = tracing.StartSpan(ctx, fqdn+"/EventHubsClient.RegenerateKeys")
		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}}},
		{TargetValue: namespaceName,
			Constraints: []validation.Constraint{{Target: "namespaceName", Name: validation.MaxLength, Rule: 50, Chain: nil},
				{Target: "namespaceName", Name: validation.MinLength, Rule: 6, Chain: nil}}},
		{TargetValue: eventHubName,
			Constraints: []validation.Constraint{{Target: "eventHubName", Name: validation.MaxLength, Rule: 256, Chain: nil},
				{Target: "eventHubName", Name: validation.MinLength, Rule: 1, Chain: nil}}},
		{TargetValue: authorizationRuleName,
			Constraints: []validation.Constraint{{Target: "authorizationRuleName", Name: validation.MinLength, Rule: 1, Chain: nil}}}}); err != nil {
		return result, validation.NewError("eventhub.EventHubsClient", "RegenerateKeys", err.Error())
	}

	req, err := client.RegenerateKeysPreparer(ctx, resourceGroupName, namespaceName, eventHubName, authorizationRuleName, parameters)
	if err != nil {
		err = autorest.NewErrorWithError(err, "eventhub.EventHubsClient", "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.EventHubsClient", "RegenerateKeys", resp, "Failure sending request")
		return
	}

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

	return
}

// RegenerateKeysPreparer prepares the RegenerateKeys request.
func (client EventHubsClient) RegenerateKeysPreparer(ctx context.Context, resourceGroupName string, namespaceName string, eventHubName string, authorizationRuleName string, parameters RegenerateAccessKeyParameters) (*http.Request, error) {
	pathParameters := map[string]interface{}{
		"authorizationRuleName": autorest.Encode("path", authorizationRuleName),
		"eventHubName":          autorest.Encode("path", eventHubName),
		"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.AsContentType("application/json; charset=utf-8"),
		autorest.AsPost(),
		autorest.WithBaseURL(client.BaseURI),
		autorest.WithPathParameters("/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.EventHub/namespaces/{namespaceName}/eventhubs/{eventHubName}/authorizationRules/{authorizationRuleName}/regenerateKeys", pathParameters),
		autorest.WithJSON(parameters),
		autorest.WithQueryParameters(queryParameters))
	return preparer.Prepare((&http.Request{}).WithContext(ctx))
}

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

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