# coding=utf-8
# --------------------------------------------------------------------------
# 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 uuid
from msrest.pipeline import ClientRawResponse
from msrestazure.azure_exceptions import CloudError
from msrest.polling import LROPoller, NoPolling
from msrestazure.polling.arm_polling import ARMPolling

from .. import models


class EventSubscriptionsOperations(object):
    """EventSubscriptionsOperations operations.

    You should not instantiate directly this class, but create a Client instance that will create it for you and attach it as attribute.

    :param client: Client for service requests.
    :param config: Configuration of service client.
    :param serializer: An object model serializer.
    :param deserializer: An object model deserializer.
    :ivar api_version: Version of the API to be used with the client request. Constant value: "2020-04-01-preview".
    """

    models = models

    def __init__(self, client, config, serializer, deserializer):

        self._client = client
        self._serialize = serializer
        self._deserialize = deserializer
        self.api_version = "2020-04-01-preview"

        self.config = config

    def get(
            self, scope, event_subscription_name, custom_headers=None, raw=False, **operation_config):
        """Get an event subscription.

        Get properties of an event subscription.

        :param scope: The scope of the event subscription. The scope can be a
         subscription, or a resource group, or a top level resource belonging
         to a resource provider namespace, or an EventGrid topic. For example,
         use '/subscriptions/{subscriptionId}/' for a subscription,
         '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}'
         for a resource group, and
         '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/{resourceProviderNamespace}/{resourceType}/{resourceName}'
         for a resource, and
         '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.EventGrid/topics/{topicName}'
         for an EventGrid topic.
        :type scope: str
        :param event_subscription_name: Name of the event subscription.
        :type event_subscription_name: str
        :param dict custom_headers: headers that will be added to the request
        :param bool raw: returns the direct response alongside the
         deserialized response
        :param operation_config: :ref:`Operation configuration
         overrides<msrest:optionsforoperations>`.
        :return: EventSubscription or ClientRawResponse if raw=true
        :rtype: ~azure.mgmt.eventgrid.models.EventSubscription or
         ~msrest.pipeline.ClientRawResponse
        :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
        """
        # Construct URL
        url = self.get.metadata['url']
        path_format_arguments = {
            'scope': self._serialize.url("scope", scope, 'str', skip_quote=True),
            'eventSubscriptionName': self._serialize.url("event_subscription_name", event_subscription_name, 'str')
        }
        url = self._client.format_url(url, **path_format_arguments)

        # Construct parameters
        query_parameters = {}
        query_parameters['api-version'] = self._serialize.query("self.api_version", self.api_version, 'str')

        # Construct headers
        header_parameters = {}
        header_parameters['Accept'] = 'application/json'
        if self.config.generate_client_request_id:
            header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
        if custom_headers:
            header_parameters.update(custom_headers)
        if self.config.accept_language is not None:
            header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')

        # Construct and send request
        request = self._client.get(url, query_parameters, header_parameters)
        response = self._client.send(request, stream=False, **operation_config)

        if response.status_code not in [200]:
            exp = CloudError(response)
            exp.request_id = response.headers.get('x-ms-request-id')
            raise exp

        deserialized = None
        if response.status_code == 200:
            deserialized = self._deserialize('EventSubscription', response)

        if raw:
            client_raw_response = ClientRawResponse(deserialized, response)
            return client_raw_response

        return deserialized
    get.metadata = {'url': '/{scope}/providers/Microsoft.EventGrid/eventSubscriptions/{eventSubscriptionName}'}


    def _create_or_update_initial(
            self, scope, event_subscription_name, event_subscription_info, custom_headers=None, raw=False, **operation_config):
        # Construct URL
        url = self.create_or_update.metadata['url']
        path_format_arguments = {
            'scope': self._serialize.url("scope", scope, 'str', skip_quote=True),
            'eventSubscriptionName': self._serialize.url("event_subscription_name", event_subscription_name, 'str')
        }
        url = self._client.format_url(url, **path_format_arguments)

        # Construct parameters
        query_parameters = {}
        query_parameters['api-version'] = self._serialize.query("self.api_version", self.api_version, 'str')

        # Construct headers
        header_parameters = {}
        header_parameters['Accept'] = 'application/json'
        header_parameters['Content-Type'] = 'application/json; charset=utf-8'
        if self.config.generate_client_request_id:
            header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
        if custom_headers:
            header_parameters.update(custom_headers)
        if self.config.accept_language is not None:
            header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')

        # Construct body
        body_content = self._serialize.body(event_subscription_info, 'EventSubscription')

        # Construct and send request
        request = self._client.put(url, query_parameters, header_parameters, body_content)
        response = self._client.send(request, stream=False, **operation_config)

        if response.status_code not in [201]:
            exp = CloudError(response)
            exp.request_id = response.headers.get('x-ms-request-id')
            raise exp

        deserialized = None

        if response.status_code == 201:
            deserialized = self._deserialize('EventSubscription', response)

        if raw:
            client_raw_response = ClientRawResponse(deserialized, response)
            return client_raw_response

        return deserialized

    def create_or_update(
            self, scope, event_subscription_name, event_subscription_info, custom_headers=None, raw=False, polling=True, **operation_config):
        """Create or update an event subscription.

        Asynchronously creates a new event subscription or updates an existing
        event subscription based on the specified scope.

        :param scope: The identifier of the resource to which the event
         subscription needs to be created or updated. The scope can be a
         subscription, or a resource group, or a top level resource belonging
         to a resource provider namespace, or an EventGrid topic. For example,
         use '/subscriptions/{subscriptionId}/' for a subscription,
         '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}'
         for a resource group, and
         '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/{resourceProviderNamespace}/{resourceType}/{resourceName}'
         for a resource, and
         '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.EventGrid/topics/{topicName}'
         for an EventGrid topic.
        :type scope: str
        :param event_subscription_name: Name of the event subscription. Event
         subscription names must be between 3 and 64 characters in length and
         should use alphanumeric letters only.
        :type event_subscription_name: str
        :param event_subscription_info: Event subscription properties
         containing the destination and filter information.
        :type event_subscription_info:
         ~azure.mgmt.eventgrid.models.EventSubscription
        :param dict custom_headers: headers that will be added to the request
        :param bool raw: The poller return type is ClientRawResponse, the
         direct response alongside the deserialized response
        :param polling: True for ARMPolling, False for no polling, or a
         polling object for personal polling strategy
        :return: An instance of LROPoller that returns EventSubscription or
         ClientRawResponse<EventSubscription> if raw==True
        :rtype:
         ~msrestazure.azure_operation.AzureOperationPoller[~azure.mgmt.eventgrid.models.EventSubscription]
         or
         ~msrestazure.azure_operation.AzureOperationPoller[~msrest.pipeline.ClientRawResponse[~azure.mgmt.eventgrid.models.EventSubscription]]
        :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
        """
        raw_result = self._create_or_update_initial(
            scope=scope,
            event_subscription_name=event_subscription_name,
            event_subscription_info=event_subscription_info,
            custom_headers=custom_headers,
            raw=True,
            **operation_config
        )

        def get_long_running_output(response):
            deserialized = self._deserialize('EventSubscription', response)

            if raw:
                client_raw_response = ClientRawResponse(deserialized, response)
                return client_raw_response

            return deserialized

        lro_delay = operation_config.get(
            'long_running_operation_timeout',
            self.config.long_running_operation_timeout)
        if polling is True: polling_method = ARMPolling(lro_delay, **operation_config)
        elif polling is False: polling_method = NoPolling()
        else: polling_method = polling
        return LROPoller(self._client, raw_result, get_long_running_output, polling_method)
    create_or_update.metadata = {'url': '/{scope}/providers/Microsoft.EventGrid/eventSubscriptions/{eventSubscriptionName}'}


    def _delete_initial(
            self, scope, event_subscription_name, custom_headers=None, raw=False, **operation_config):
        # Construct URL
        url = self.delete.metadata['url']
        path_format_arguments = {
            'scope': self._serialize.url("scope", scope, 'str', skip_quote=True),
            'eventSubscriptionName': self._serialize.url("event_subscription_name", event_subscription_name, 'str')
        }
        url = self._client.format_url(url, **path_format_arguments)

        # Construct parameters
        query_parameters = {}
        query_parameters['api-version'] = self._serialize.query("self.api_version", self.api_version, 'str')

        # Construct headers
        header_parameters = {}
        if self.config.generate_client_request_id:
            header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
        if custom_headers:
            header_parameters.update(custom_headers)
        if self.config.accept_language is not None:
            header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')

        # Construct and send request
        request = self._client.delete(url, query_parameters, header_parameters)
        response = self._client.send(request, stream=False, **operation_config)

        if response.status_code not in [200, 202, 204]:
            exp = CloudError(response)
            exp.request_id = response.headers.get('x-ms-request-id')
            raise exp

        if raw:
            client_raw_response = ClientRawResponse(None, response)
            return client_raw_response

    def delete(
            self, scope, event_subscription_name, custom_headers=None, raw=False, polling=True, **operation_config):
        """Delete an event subscription.

        Delete an existing event subscription.

        :param scope: The scope of the event subscription. The scope can be a
         subscription, or a resource group, or a top level resource belonging
         to a resource provider namespace, or an EventGrid topic. For example,
         use '/subscriptions/{subscriptionId}/' for a subscription,
         '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}'
         for a resource group, and
         '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/{resourceProviderNamespace}/{resourceType}/{resourceName}'
         for a resource, and
         '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.EventGrid/topics/{topicName}'
         for an EventGrid topic.
        :type scope: str
        :param event_subscription_name: Name of the event subscription.
        :type event_subscription_name: str
        :param dict custom_headers: headers that will be added to the request
        :param bool raw: The poller return type is ClientRawResponse, the
         direct response alongside the deserialized response
        :param polling: True for ARMPolling, False for no polling, or a
         polling object for personal polling strategy
        :return: An instance of LROPoller that returns None or
         ClientRawResponse<None> if raw==True
        :rtype: ~msrestazure.azure_operation.AzureOperationPoller[None] or
         ~msrestazure.azure_operation.AzureOperationPoller[~msrest.pipeline.ClientRawResponse[None]]
        :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
        """
        raw_result = self._delete_initial(
            scope=scope,
            event_subscription_name=event_subscription_name,
            custom_headers=custom_headers,
            raw=True,
            **operation_config
        )

        def get_long_running_output(response):
            if raw:
                client_raw_response = ClientRawResponse(None, response)
                return client_raw_response

        lro_delay = operation_config.get(
            'long_running_operation_timeout',
            self.config.long_running_operation_timeout)
        if polling is True: polling_method = ARMPolling(lro_delay, **operation_config)
        elif polling is False: polling_method = NoPolling()
        else: polling_method = polling
        return LROPoller(self._client, raw_result, get_long_running_output, polling_method)
    delete.metadata = {'url': '/{scope}/providers/Microsoft.EventGrid/eventSubscriptions/{eventSubscriptionName}'}


    def _update_initial(
            self, scope, event_subscription_name, event_subscription_update_parameters, custom_headers=None, raw=False, **operation_config):
        # Construct URL
        url = self.update.metadata['url']
        path_format_arguments = {
            'scope': self._serialize.url("scope", scope, 'str', skip_quote=True),
            'eventSubscriptionName': self._serialize.url("event_subscription_name", event_subscription_name, 'str')
        }
        url = self._client.format_url(url, **path_format_arguments)

        # Construct parameters
        query_parameters = {}
        query_parameters['api-version'] = self._serialize.query("self.api_version", self.api_version, 'str')

        # Construct headers
        header_parameters = {}
        header_parameters['Accept'] = 'application/json'
        header_parameters['Content-Type'] = 'application/json; charset=utf-8'
        if self.config.generate_client_request_id:
            header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
        if custom_headers:
            header_parameters.update(custom_headers)
        if self.config.accept_language is not None:
            header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')

        # Construct body
        body_content = self._serialize.body(event_subscription_update_parameters, 'EventSubscriptionUpdateParameters')

        # Construct and send request
        request = self._client.patch(url, query_parameters, header_parameters, body_content)
        response = self._client.send(request, stream=False, **operation_config)

        if response.status_code not in [201]:
            exp = CloudError(response)
            exp.request_id = response.headers.get('x-ms-request-id')
            raise exp

        deserialized = None

        if response.status_code == 201:
            deserialized = self._deserialize('EventSubscription', response)

        if raw:
            client_raw_response = ClientRawResponse(deserialized, response)
            return client_raw_response

        return deserialized

    def update(
            self, scope, event_subscription_name, event_subscription_update_parameters, custom_headers=None, raw=False, polling=True, **operation_config):
        """Update an event subscription.

        Asynchronously updates an existing event subscription.

        :param scope: The scope of existing event subscription. The scope can
         be a subscription, or a resource group, or a top level resource
         belonging to a resource provider namespace, or an EventGrid topic. For
         example, use '/subscriptions/{subscriptionId}/' for a subscription,
         '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}'
         for a resource group, and
         '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/{resourceProviderNamespace}/{resourceType}/{resourceName}'
         for a resource, and
         '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.EventGrid/topics/{topicName}'
         for an EventGrid topic.
        :type scope: str
        :param event_subscription_name: Name of the event subscription to be
         updated.
        :type event_subscription_name: str
        :param event_subscription_update_parameters: Updated event
         subscription information.
        :type event_subscription_update_parameters:
         ~azure.mgmt.eventgrid.models.EventSubscriptionUpdateParameters
        :param dict custom_headers: headers that will be added to the request
        :param bool raw: The poller return type is ClientRawResponse, the
         direct response alongside the deserialized response
        :param polling: True for ARMPolling, False for no polling, or a
         polling object for personal polling strategy
        :return: An instance of LROPoller that returns EventSubscription or
         ClientRawResponse<EventSubscription> if raw==True
        :rtype:
         ~msrestazure.azure_operation.AzureOperationPoller[~azure.mgmt.eventgrid.models.EventSubscription]
         or
         ~msrestazure.azure_operation.AzureOperationPoller[~msrest.pipeline.ClientRawResponse[~azure.mgmt.eventgrid.models.EventSubscription]]
        :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
        """
        raw_result = self._update_initial(
            scope=scope,
            event_subscription_name=event_subscription_name,
            event_subscription_update_parameters=event_subscription_update_parameters,
            custom_headers=custom_headers,
            raw=True,
            **operation_config
        )

        def get_long_running_output(response):
            deserialized = self._deserialize('EventSubscription', response)

            if raw:
                client_raw_response = ClientRawResponse(deserialized, response)
                return client_raw_response

            return deserialized

        lro_delay = operation_config.get(
            'long_running_operation_timeout',
            self.config.long_running_operation_timeout)
        if polling is True: polling_method = ARMPolling(lro_delay, **operation_config)
        elif polling is False: polling_method = NoPolling()
        else: polling_method = polling
        return LROPoller(self._client, raw_result, get_long_running_output, polling_method)
    update.metadata = {'url': '/{scope}/providers/Microsoft.EventGrid/eventSubscriptions/{eventSubscriptionName}'}

    def get_full_url(
            self, scope, event_subscription_name, custom_headers=None, raw=False, **operation_config):
        """Get full URL of an event subscription.

        Get the full endpoint URL for an event subscription.

        :param scope: The scope of the event subscription. The scope can be a
         subscription, or a resource group, or a top level resource belonging
         to a resource provider namespace, or an EventGrid topic. For example,
         use '/subscriptions/{subscriptionId}/' for a subscription,
         '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}'
         for a resource group, and
         '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/{resourceProviderNamespace}/{resourceType}/{resourceName}'
         for a resource, and
         '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.EventGrid/topics/{topicName}'
         for an EventGrid topic.
        :type scope: str
        :param event_subscription_name: Name of the event subscription.
        :type event_subscription_name: str
        :param dict custom_headers: headers that will be added to the request
        :param bool raw: returns the direct response alongside the
         deserialized response
        :param operation_config: :ref:`Operation configuration
         overrides<msrest:optionsforoperations>`.
        :return: EventSubscriptionFullUrl or ClientRawResponse if raw=true
        :rtype: ~azure.mgmt.eventgrid.models.EventSubscriptionFullUrl or
         ~msrest.pipeline.ClientRawResponse
        :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
        """
        # Construct URL
        url = self.get_full_url.metadata['url']
        path_format_arguments = {
            'scope': self._serialize.url("scope", scope, 'str', skip_quote=True),
            'eventSubscriptionName': self._serialize.url("event_subscription_name", event_subscription_name, 'str')
        }
        url = self._client.format_url(url, **path_format_arguments)

        # Construct parameters
        query_parameters = {}
        query_parameters['api-version'] = self._serialize.query("self.api_version", self.api_version, 'str')

        # Construct headers
        header_parameters = {}
        header_parameters['Accept'] = 'application/json'
        if self.config.generate_client_request_id:
            header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
        if custom_headers:
            header_parameters.update(custom_headers)
        if self.config.accept_language is not None:
            header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')

        # Construct and send request
        request = self._client.post(url, query_parameters, header_parameters)
        response = self._client.send(request, stream=False, **operation_config)

        if response.status_code not in [200]:
            exp = CloudError(response)
            exp.request_id = response.headers.get('x-ms-request-id')
            raise exp

        deserialized = None
        if response.status_code == 200:
            deserialized = self._deserialize('EventSubscriptionFullUrl', response)

        if raw:
            client_raw_response = ClientRawResponse(deserialized, response)
            return client_raw_response

        return deserialized
    get_full_url.metadata = {'url': '/{scope}/providers/Microsoft.EventGrid/eventSubscriptions/{eventSubscriptionName}/getFullUrl'}

    def list_global_by_subscription(
            self, filter=None, top=None, custom_headers=None, raw=False, **operation_config):
        """Get an aggregated list of all global event subscriptions under an Azure
        subscription.

        List all aggregated global event subscriptions under a specific Azure
        subscription.

        :param filter: The query used to filter the search results using OData
         syntax. Filtering is permitted on the 'name' property only and with
         limited number of OData operations. These operations are: the
         'contains' function as well as the following logical operations: not,
         and, or, eq (for equal), and ne (for not equal). No arithmetic
         operations are supported. The following is a valid filter example:
         $filter=contains(namE, 'PATTERN') and name ne 'PATTERN-1'. The
         following is not a valid filter example: $filter=location eq 'westus'.
        :type filter: str
        :param top: The number of results to return per page for the list
         operation. Valid range for top parameter is 1 to 100. If not
         specified, the default number of results to be returned is 20 items
         per page.
        :type top: int
        :param dict custom_headers: headers that will be added to the request
        :param bool raw: returns the direct response alongside the
         deserialized response
        :param operation_config: :ref:`Operation configuration
         overrides<msrest:optionsforoperations>`.
        :return: An iterator like instance of EventSubscription
        :rtype:
         ~azure.mgmt.eventgrid.models.EventSubscriptionPaged[~azure.mgmt.eventgrid.models.EventSubscription]
        :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
        """
        def prepare_request(next_link=None):
            if not next_link:
                # Construct URL
                url = self.list_global_by_subscription.metadata['url']
                path_format_arguments = {
                    'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str')
                }
                url = self._client.format_url(url, **path_format_arguments)

                # Construct parameters
                query_parameters = {}
                query_parameters['api-version'] = self._serialize.query("self.api_version", self.api_version, 'str')
                if filter is not None:
                    query_parameters['$filter'] = self._serialize.query("filter", filter, 'str')
                if top is not None:
                    query_parameters['$top'] = self._serialize.query("top", top, 'int')

            else:
                url = next_link
                query_parameters = {}

            # Construct headers
            header_parameters = {}
            header_parameters['Accept'] = 'application/json'
            if self.config.generate_client_request_id:
                header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
            if custom_headers:
                header_parameters.update(custom_headers)
            if self.config.accept_language is not None:
                header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')

            # Construct and send request
            request = self._client.get(url, query_parameters, header_parameters)
            return request

        def internal_paging(next_link=None):
            request = prepare_request(next_link)

            response = self._client.send(request, stream=False, **operation_config)

            if response.status_code not in [200]:
                exp = CloudError(response)
                exp.request_id = response.headers.get('x-ms-request-id')
                raise exp

            return response

        # Deserialize response
        header_dict = None
        if raw:
            header_dict = {}
        deserialized = models.EventSubscriptionPaged(internal_paging, self._deserialize.dependencies, header_dict)

        return deserialized
    list_global_by_subscription.metadata = {'url': '/subscriptions/{subscriptionId}/providers/Microsoft.EventGrid/eventSubscriptions'}

    def list_global_by_subscription_for_topic_type(
            self, topic_type_name, filter=None, top=None, custom_headers=None, raw=False, **operation_config):
        """List all global event subscriptions for a topic type.

        List all global event subscriptions under an Azure subscription for a
        topic type.

        :param topic_type_name: Name of the topic type.
        :type topic_type_name: str
        :param filter: The query used to filter the search results using OData
         syntax. Filtering is permitted on the 'name' property only and with
         limited number of OData operations. These operations are: the
         'contains' function as well as the following logical operations: not,
         and, or, eq (for equal), and ne (for not equal). No arithmetic
         operations are supported. The following is a valid filter example:
         $filter=contains(namE, 'PATTERN') and name ne 'PATTERN-1'. The
         following is not a valid filter example: $filter=location eq 'westus'.
        :type filter: str
        :param top: The number of results to return per page for the list
         operation. Valid range for top parameter is 1 to 100. If not
         specified, the default number of results to be returned is 20 items
         per page.
        :type top: int
        :param dict custom_headers: headers that will be added to the request
        :param bool raw: returns the direct response alongside the
         deserialized response
        :param operation_config: :ref:`Operation configuration
         overrides<msrest:optionsforoperations>`.
        :return: An iterator like instance of EventSubscription
        :rtype:
         ~azure.mgmt.eventgrid.models.EventSubscriptionPaged[~azure.mgmt.eventgrid.models.EventSubscription]
        :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
        """
        def prepare_request(next_link=None):
            if not next_link:
                # Construct URL
                url = self.list_global_by_subscription_for_topic_type.metadata['url']
                path_format_arguments = {
                    'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str'),
                    'topicTypeName': self._serialize.url("topic_type_name", topic_type_name, 'str')
                }
                url = self._client.format_url(url, **path_format_arguments)

                # Construct parameters
                query_parameters = {}
                query_parameters['api-version'] = self._serialize.query("self.api_version", self.api_version, 'str')
                if filter is not None:
                    query_parameters['$filter'] = self._serialize.query("filter", filter, 'str')
                if top is not None:
                    query_parameters['$top'] = self._serialize.query("top", top, 'int')

            else:
                url = next_link
                query_parameters = {}

            # Construct headers
            header_parameters = {}
            header_parameters['Accept'] = 'application/json'
            if self.config.generate_client_request_id:
                header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
            if custom_headers:
                header_parameters.update(custom_headers)
            if self.config.accept_language is not None:
                header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')

            # Construct and send request
            request = self._client.get(url, query_parameters, header_parameters)
            return request

        def internal_paging(next_link=None):
            request = prepare_request(next_link)

            response = self._client.send(request, stream=False, **operation_config)

            if response.status_code not in [200]:
                exp = CloudError(response)
                exp.request_id = response.headers.get('x-ms-request-id')
                raise exp

            return response

        # Deserialize response
        header_dict = None
        if raw:
            header_dict = {}
        deserialized = models.EventSubscriptionPaged(internal_paging, self._deserialize.dependencies, header_dict)

        return deserialized
    list_global_by_subscription_for_topic_type.metadata = {'url': '/subscriptions/{subscriptionId}/providers/Microsoft.EventGrid/topicTypes/{topicTypeName}/eventSubscriptions'}

    def list_global_by_resource_group(
            self, resource_group_name, filter=None, top=None, custom_headers=None, raw=False, **operation_config):
        """List all global event subscriptions under an Azure subscription and
        resource group.

        List all global event subscriptions under a specific Azure subscription
        and resource group.

        :param resource_group_name: The name of the resource group within the
         user's subscription.
        :type resource_group_name: str
        :param filter: The query used to filter the search results using OData
         syntax. Filtering is permitted on the 'name' property only and with
         limited number of OData operations. These operations are: the
         'contains' function as well as the following logical operations: not,
         and, or, eq (for equal), and ne (for not equal). No arithmetic
         operations are supported. The following is a valid filter example:
         $filter=contains(namE, 'PATTERN') and name ne 'PATTERN-1'. The
         following is not a valid filter example: $filter=location eq 'westus'.
        :type filter: str
        :param top: The number of results to return per page for the list
         operation. Valid range for top parameter is 1 to 100. If not
         specified, the default number of results to be returned is 20 items
         per page.
        :type top: int
        :param dict custom_headers: headers that will be added to the request
        :param bool raw: returns the direct response alongside the
         deserialized response
        :param operation_config: :ref:`Operation configuration
         overrides<msrest:optionsforoperations>`.
        :return: An iterator like instance of EventSubscription
        :rtype:
         ~azure.mgmt.eventgrid.models.EventSubscriptionPaged[~azure.mgmt.eventgrid.models.EventSubscription]
        :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
        """
        def prepare_request(next_link=None):
            if not next_link:
                # Construct URL
                url = self.list_global_by_resource_group.metadata['url']
                path_format_arguments = {
                    'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str'),
                    'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str')
                }
                url = self._client.format_url(url, **path_format_arguments)

                # Construct parameters
                query_parameters = {}
                query_parameters['api-version'] = self._serialize.query("self.api_version", self.api_version, 'str')
                if filter is not None:
                    query_parameters['$filter'] = self._serialize.query("filter", filter, 'str')
                if top is not None:
                    query_parameters['$top'] = self._serialize.query("top", top, 'int')

            else:
                url = next_link
                query_parameters = {}

            # Construct headers
            header_parameters = {}
            header_parameters['Accept'] = 'application/json'
            if self.config.generate_client_request_id:
                header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
            if custom_headers:
                header_parameters.update(custom_headers)
            if self.config.accept_language is not None:
                header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')

            # Construct and send request
            request = self._client.get(url, query_parameters, header_parameters)
            return request

        def internal_paging(next_link=None):
            request = prepare_request(next_link)

            response = self._client.send(request, stream=False, **operation_config)

            if response.status_code not in [200]:
                exp = CloudError(response)
                exp.request_id = response.headers.get('x-ms-request-id')
                raise exp

            return response

        # Deserialize response
        header_dict = None
        if raw:
            header_dict = {}
        deserialized = models.EventSubscriptionPaged(internal_paging, self._deserialize.dependencies, header_dict)

        return deserialized
    list_global_by_resource_group.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.EventGrid/eventSubscriptions'}

    def list_global_by_resource_group_for_topic_type(
            self, resource_group_name, topic_type_name, filter=None, top=None, custom_headers=None, raw=False, **operation_config):
        """List all global event subscriptions under a resource group for a topic
        type.

        List all global event subscriptions under a resource group for a
        specific topic type.

        :param resource_group_name: The name of the resource group within the
         user's subscription.
        :type resource_group_name: str
        :param topic_type_name: Name of the topic type.
        :type topic_type_name: str
        :param filter: The query used to filter the search results using OData
         syntax. Filtering is permitted on the 'name' property only and with
         limited number of OData operations. These operations are: the
         'contains' function as well as the following logical operations: not,
         and, or, eq (for equal), and ne (for not equal). No arithmetic
         operations are supported. The following is a valid filter example:
         $filter=contains(namE, 'PATTERN') and name ne 'PATTERN-1'. The
         following is not a valid filter example: $filter=location eq 'westus'.
        :type filter: str
        :param top: The number of results to return per page for the list
         operation. Valid range for top parameter is 1 to 100. If not
         specified, the default number of results to be returned is 20 items
         per page.
        :type top: int
        :param dict custom_headers: headers that will be added to the request
        :param bool raw: returns the direct response alongside the
         deserialized response
        :param operation_config: :ref:`Operation configuration
         overrides<msrest:optionsforoperations>`.
        :return: An iterator like instance of EventSubscription
        :rtype:
         ~azure.mgmt.eventgrid.models.EventSubscriptionPaged[~azure.mgmt.eventgrid.models.EventSubscription]
        :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
        """
        def prepare_request(next_link=None):
            if not next_link:
                # Construct URL
                url = self.list_global_by_resource_group_for_topic_type.metadata['url']
                path_format_arguments = {
                    'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str'),
                    'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
                    'topicTypeName': self._serialize.url("topic_type_name", topic_type_name, 'str')
                }
                url = self._client.format_url(url, **path_format_arguments)

                # Construct parameters
                query_parameters = {}
                query_parameters['api-version'] = self._serialize.query("self.api_version", self.api_version, 'str')
                if filter is not None:
                    query_parameters['$filter'] = self._serialize.query("filter", filter, 'str')
                if top is not None:
                    query_parameters['$top'] = self._serialize.query("top", top, 'int')

            else:
                url = next_link
                query_parameters = {}

            # Construct headers
            header_parameters = {}
            header_parameters['Accept'] = 'application/json'
            if self.config.generate_client_request_id:
                header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
            if custom_headers:
                header_parameters.update(custom_headers)
            if self.config.accept_language is not None:
                header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')

            # Construct and send request
            request = self._client.get(url, query_parameters, header_parameters)
            return request

        def internal_paging(next_link=None):
            request = prepare_request(next_link)

            response = self._client.send(request, stream=False, **operation_config)

            if response.status_code not in [200]:
                exp = CloudError(response)
                exp.request_id = response.headers.get('x-ms-request-id')
                raise exp

            return response

        # Deserialize response
        header_dict = None
        if raw:
            header_dict = {}
        deserialized = models.EventSubscriptionPaged(internal_paging, self._deserialize.dependencies, header_dict)

        return deserialized
    list_global_by_resource_group_for_topic_type.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.EventGrid/topicTypes/{topicTypeName}/eventSubscriptions'}

    def list_regional_by_subscription(
            self, location, filter=None, top=None, custom_headers=None, raw=False, **operation_config):
        """List all regional event subscriptions under an Azure subscription.

        List all event subscriptions from the given location under a specific
        Azure subscription.

        :param location: Name of the location.
        :type location: str
        :param filter: The query used to filter the search results using OData
         syntax. Filtering is permitted on the 'name' property only and with
         limited number of OData operations. These operations are: the
         'contains' function as well as the following logical operations: not,
         and, or, eq (for equal), and ne (for not equal). No arithmetic
         operations are supported. The following is a valid filter example:
         $filter=contains(namE, 'PATTERN') and name ne 'PATTERN-1'. The
         following is not a valid filter example: $filter=location eq 'westus'.
        :type filter: str
        :param top: The number of results to return per page for the list
         operation. Valid range for top parameter is 1 to 100. If not
         specified, the default number of results to be returned is 20 items
         per page.
        :type top: int
        :param dict custom_headers: headers that will be added to the request
        :param bool raw: returns the direct response alongside the
         deserialized response
        :param operation_config: :ref:`Operation configuration
         overrides<msrest:optionsforoperations>`.
        :return: An iterator like instance of EventSubscription
        :rtype:
         ~azure.mgmt.eventgrid.models.EventSubscriptionPaged[~azure.mgmt.eventgrid.models.EventSubscription]
        :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
        """
        def prepare_request(next_link=None):
            if not next_link:
                # Construct URL
                url = self.list_regional_by_subscription.metadata['url']
                path_format_arguments = {
                    'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str'),
                    'location': self._serialize.url("location", location, 'str')
                }
                url = self._client.format_url(url, **path_format_arguments)

                # Construct parameters
                query_parameters = {}
                query_parameters['api-version'] = self._serialize.query("self.api_version", self.api_version, 'str')
                if filter is not None:
                    query_parameters['$filter'] = self._serialize.query("filter", filter, 'str')
                if top is not None:
                    query_parameters['$top'] = self._serialize.query("top", top, 'int')

            else:
                url = next_link
                query_parameters = {}

            # Construct headers
            header_parameters = {}
            header_parameters['Accept'] = 'application/json'
            if self.config.generate_client_request_id:
                header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
            if custom_headers:
                header_parameters.update(custom_headers)
            if self.config.accept_language is not None:
                header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')

            # Construct and send request
            request = self._client.get(url, query_parameters, header_parameters)
            return request

        def internal_paging(next_link=None):
            request = prepare_request(next_link)

            response = self._client.send(request, stream=False, **operation_config)

            if response.status_code not in [200]:
                exp = CloudError(response)
                exp.request_id = response.headers.get('x-ms-request-id')
                raise exp

            return response

        # Deserialize response
        header_dict = None
        if raw:
            header_dict = {}
        deserialized = models.EventSubscriptionPaged(internal_paging, self._deserialize.dependencies, header_dict)

        return deserialized
    list_regional_by_subscription.metadata = {'url': '/subscriptions/{subscriptionId}/providers/Microsoft.EventGrid/locations/{location}/eventSubscriptions'}

    def list_regional_by_resource_group(
            self, resource_group_name, location, filter=None, top=None, custom_headers=None, raw=False, **operation_config):
        """List all regional event subscriptions under an Azure subscription and
        resource group.

        List all event subscriptions from the given location under a specific
        Azure subscription and resource group.

        :param resource_group_name: The name of the resource group within the
         user's subscription.
        :type resource_group_name: str
        :param location: Name of the location.
        :type location: str
        :param filter: The query used to filter the search results using OData
         syntax. Filtering is permitted on the 'name' property only and with
         limited number of OData operations. These operations are: the
         'contains' function as well as the following logical operations: not,
         and, or, eq (for equal), and ne (for not equal). No arithmetic
         operations are supported. The following is a valid filter example:
         $filter=contains(namE, 'PATTERN') and name ne 'PATTERN-1'. The
         following is not a valid filter example: $filter=location eq 'westus'.
        :type filter: str
        :param top: The number of results to return per page for the list
         operation. Valid range for top parameter is 1 to 100. If not
         specified, the default number of results to be returned is 20 items
         per page.
        :type top: int
        :param dict custom_headers: headers that will be added to the request
        :param bool raw: returns the direct response alongside the
         deserialized response
        :param operation_config: :ref:`Operation configuration
         overrides<msrest:optionsforoperations>`.
        :return: An iterator like instance of EventSubscription
        :rtype:
         ~azure.mgmt.eventgrid.models.EventSubscriptionPaged[~azure.mgmt.eventgrid.models.EventSubscription]
        :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
        """
        def prepare_request(next_link=None):
            if not next_link:
                # Construct URL
                url = self.list_regional_by_resource_group.metadata['url']
                path_format_arguments = {
                    'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str'),
                    'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
                    'location': self._serialize.url("location", location, 'str')
                }
                url = self._client.format_url(url, **path_format_arguments)

                # Construct parameters
                query_parameters = {}
                query_parameters['api-version'] = self._serialize.query("self.api_version", self.api_version, 'str')
                if filter is not None:
                    query_parameters['$filter'] = self._serialize.query("filter", filter, 'str')
                if top is not None:
                    query_parameters['$top'] = self._serialize.query("top", top, 'int')

            else:
                url = next_link
                query_parameters = {}

            # Construct headers
            header_parameters = {}
            header_parameters['Accept'] = 'application/json'
            if self.config.generate_client_request_id:
                header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
            if custom_headers:
                header_parameters.update(custom_headers)
            if self.config.accept_language is not None:
                header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')

            # Construct and send request
            request = self._client.get(url, query_parameters, header_parameters)
            return request

        def internal_paging(next_link=None):
            request = prepare_request(next_link)

            response = self._client.send(request, stream=False, **operation_config)

            if response.status_code not in [200]:
                exp = CloudError(response)
                exp.request_id = response.headers.get('x-ms-request-id')
                raise exp

            return response

        # Deserialize response
        header_dict = None
        if raw:
            header_dict = {}
        deserialized = models.EventSubscriptionPaged(internal_paging, self._deserialize.dependencies, header_dict)

        return deserialized
    list_regional_by_resource_group.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.EventGrid/locations/{location}/eventSubscriptions'}

    def list_regional_by_subscription_for_topic_type(
            self, location, topic_type_name, filter=None, top=None, custom_headers=None, raw=False, **operation_config):
        """List all regional event subscriptions under an Azure subscription for a
        topic type.

        List all event subscriptions from the given location under a specific
        Azure subscription and topic type.

        :param location: Name of the location.
        :type location: str
        :param topic_type_name: Name of the topic type.
        :type topic_type_name: str
        :param filter: The query used to filter the search results using OData
         syntax. Filtering is permitted on the 'name' property only and with
         limited number of OData operations. These operations are: the
         'contains' function as well as the following logical operations: not,
         and, or, eq (for equal), and ne (for not equal). No arithmetic
         operations are supported. The following is a valid filter example:
         $filter=contains(namE, 'PATTERN') and name ne 'PATTERN-1'. The
         following is not a valid filter example: $filter=location eq 'westus'.
        :type filter: str
        :param top: The number of results to return per page for the list
         operation. Valid range for top parameter is 1 to 100. If not
         specified, the default number of results to be returned is 20 items
         per page.
        :type top: int
        :param dict custom_headers: headers that will be added to the request
        :param bool raw: returns the direct response alongside the
         deserialized response
        :param operation_config: :ref:`Operation configuration
         overrides<msrest:optionsforoperations>`.
        :return: An iterator like instance of EventSubscription
        :rtype:
         ~azure.mgmt.eventgrid.models.EventSubscriptionPaged[~azure.mgmt.eventgrid.models.EventSubscription]
        :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
        """
        def prepare_request(next_link=None):
            if not next_link:
                # Construct URL
                url = self.list_regional_by_subscription_for_topic_type.metadata['url']
                path_format_arguments = {
                    'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str'),
                    'location': self._serialize.url("location", location, 'str'),
                    'topicTypeName': self._serialize.url("topic_type_name", topic_type_name, 'str')
                }
                url = self._client.format_url(url, **path_format_arguments)

                # Construct parameters
                query_parameters = {}
                query_parameters['api-version'] = self._serialize.query("self.api_version", self.api_version, 'str')
                if filter is not None:
                    query_parameters['$filter'] = self._serialize.query("filter", filter, 'str')
                if top is not None:
                    query_parameters['$top'] = self._serialize.query("top", top, 'int')

            else:
                url = next_link
                query_parameters = {}

            # Construct headers
            header_parameters = {}
            header_parameters['Accept'] = 'application/json'
            if self.config.generate_client_request_id:
                header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
            if custom_headers:
                header_parameters.update(custom_headers)
            if self.config.accept_language is not None:
                header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')

            # Construct and send request
            request = self._client.get(url, query_parameters, header_parameters)
            return request

        def internal_paging(next_link=None):
            request = prepare_request(next_link)

            response = self._client.send(request, stream=False, **operation_config)

            if response.status_code not in [200]:
                exp = CloudError(response)
                exp.request_id = response.headers.get('x-ms-request-id')
                raise exp

            return response

        # Deserialize response
        header_dict = None
        if raw:
            header_dict = {}
        deserialized = models.EventSubscriptionPaged(internal_paging, self._deserialize.dependencies, header_dict)

        return deserialized
    list_regional_by_subscription_for_topic_type.metadata = {'url': '/subscriptions/{subscriptionId}/providers/Microsoft.EventGrid/locations/{location}/topicTypes/{topicTypeName}/eventSubscriptions'}

    def list_regional_by_resource_group_for_topic_type(
            self, resource_group_name, location, topic_type_name, filter=None, top=None, custom_headers=None, raw=False, **operation_config):
        """List all regional event subscriptions under an Azure subscription and
        resource group for a topic type.

        List all event subscriptions from the given location under a specific
        Azure subscription and resource group and topic type.

        :param resource_group_name: The name of the resource group within the
         user's subscription.
        :type resource_group_name: str
        :param location: Name of the location.
        :type location: str
        :param topic_type_name: Name of the topic type.
        :type topic_type_name: str
        :param filter: The query used to filter the search results using OData
         syntax. Filtering is permitted on the 'name' property only and with
         limited number of OData operations. These operations are: the
         'contains' function as well as the following logical operations: not,
         and, or, eq (for equal), and ne (for not equal). No arithmetic
         operations are supported. The following is a valid filter example:
         $filter=contains(namE, 'PATTERN') and name ne 'PATTERN-1'. The
         following is not a valid filter example: $filter=location eq 'westus'.
        :type filter: str
        :param top: The number of results to return per page for the list
         operation. Valid range for top parameter is 1 to 100. If not
         specified, the default number of results to be returned is 20 items
         per page.
        :type top: int
        :param dict custom_headers: headers that will be added to the request
        :param bool raw: returns the direct response alongside the
         deserialized response
        :param operation_config: :ref:`Operation configuration
         overrides<msrest:optionsforoperations>`.
        :return: An iterator like instance of EventSubscription
        :rtype:
         ~azure.mgmt.eventgrid.models.EventSubscriptionPaged[~azure.mgmt.eventgrid.models.EventSubscription]
        :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
        """
        def prepare_request(next_link=None):
            if not next_link:
                # Construct URL
                url = self.list_regional_by_resource_group_for_topic_type.metadata['url']
                path_format_arguments = {
                    'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str'),
                    'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
                    'location': self._serialize.url("location", location, 'str'),
                    'topicTypeName': self._serialize.url("topic_type_name", topic_type_name, 'str')
                }
                url = self._client.format_url(url, **path_format_arguments)

                # Construct parameters
                query_parameters = {}
                query_parameters['api-version'] = self._serialize.query("self.api_version", self.api_version, 'str')
                if filter is not None:
                    query_parameters['$filter'] = self._serialize.query("filter", filter, 'str')
                if top is not None:
                    query_parameters['$top'] = self._serialize.query("top", top, 'int')

            else:
                url = next_link
                query_parameters = {}

            # Construct headers
            header_parameters = {}
            header_parameters['Accept'] = 'application/json'
            if self.config.generate_client_request_id:
                header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
            if custom_headers:
                header_parameters.update(custom_headers)
            if self.config.accept_language is not None:
                header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')

            # Construct and send request
            request = self._client.get(url, query_parameters, header_parameters)
            return request

        def internal_paging(next_link=None):
            request = prepare_request(next_link)

            response = self._client.send(request, stream=False, **operation_config)

            if response.status_code not in [200]:
                exp = CloudError(response)
                exp.request_id = response.headers.get('x-ms-request-id')
                raise exp

            return response

        # Deserialize response
        header_dict = None
        if raw:
            header_dict = {}
        deserialized = models.EventSubscriptionPaged(internal_paging, self._deserialize.dependencies, header_dict)

        return deserialized
    list_regional_by_resource_group_for_topic_type.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.EventGrid/locations/{location}/topicTypes/{topicTypeName}/eventSubscriptions'}

    def list_by_resource(
            self, resource_group_name, provider_namespace, resource_type_name, resource_name, filter=None, top=None, custom_headers=None, raw=False, **operation_config):
        """List all event subscriptions for a specific topic.

        List all event subscriptions that have been created for a specific
        topic.

        :param resource_group_name: The name of the resource group within the
         user's subscription.
        :type resource_group_name: str
        :param provider_namespace: Namespace of the provider of the topic.
        :type provider_namespace: str
        :param resource_type_name: Name of the resource type.
        :type resource_type_name: str
        :param resource_name: Name of the resource.
        :type resource_name: str
        :param filter: The query used to filter the search results using OData
         syntax. Filtering is permitted on the 'name' property only and with
         limited number of OData operations. These operations are: the
         'contains' function as well as the following logical operations: not,
         and, or, eq (for equal), and ne (for not equal). No arithmetic
         operations are supported. The following is a valid filter example:
         $filter=contains(namE, 'PATTERN') and name ne 'PATTERN-1'. The
         following is not a valid filter example: $filter=location eq 'westus'.
        :type filter: str
        :param top: The number of results to return per page for the list
         operation. Valid range for top parameter is 1 to 100. If not
         specified, the default number of results to be returned is 20 items
         per page.
        :type top: int
        :param dict custom_headers: headers that will be added to the request
        :param bool raw: returns the direct response alongside the
         deserialized response
        :param operation_config: :ref:`Operation configuration
         overrides<msrest:optionsforoperations>`.
        :return: An iterator like instance of EventSubscription
        :rtype:
         ~azure.mgmt.eventgrid.models.EventSubscriptionPaged[~azure.mgmt.eventgrid.models.EventSubscription]
        :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
        """
        def prepare_request(next_link=None):
            if not next_link:
                # Construct URL
                url = self.list_by_resource.metadata['url']
                path_format_arguments = {
                    'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str'),
                    'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
                    'providerNamespace': self._serialize.url("provider_namespace", provider_namespace, 'str'),
                    'resourceTypeName': self._serialize.url("resource_type_name", resource_type_name, 'str'),
                    'resourceName': self._serialize.url("resource_name", resource_name, 'str')
                }
                url = self._client.format_url(url, **path_format_arguments)

                # Construct parameters
                query_parameters = {}
                query_parameters['api-version'] = self._serialize.query("self.api_version", self.api_version, 'str')
                if filter is not None:
                    query_parameters['$filter'] = self._serialize.query("filter", filter, 'str')
                if top is not None:
                    query_parameters['$top'] = self._serialize.query("top", top, 'int')

            else:
                url = next_link
                query_parameters = {}

            # Construct headers
            header_parameters = {}
            header_parameters['Accept'] = 'application/json'
            if self.config.generate_client_request_id:
                header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
            if custom_headers:
                header_parameters.update(custom_headers)
            if self.config.accept_language is not None:
                header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')

            # Construct and send request
            request = self._client.get(url, query_parameters, header_parameters)
            return request

        def internal_paging(next_link=None):
            request = prepare_request(next_link)

            response = self._client.send(request, stream=False, **operation_config)

            if response.status_code not in [200]:
                exp = CloudError(response)
                exp.request_id = response.headers.get('x-ms-request-id')
                raise exp

            return response

        # Deserialize response
        header_dict = None
        if raw:
            header_dict = {}
        deserialized = models.EventSubscriptionPaged(internal_paging, self._deserialize.dependencies, header_dict)

        return deserialized
    list_by_resource.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/{providerNamespace}/{resourceTypeName}/{resourceName}/providers/Microsoft.EventGrid/eventSubscriptions'}

    def list_by_domain_topic(
            self, resource_group_name, domain_name, topic_name, filter=None, top=None, custom_headers=None, raw=False, **operation_config):
        """List all event subscriptions for a specific domain topic.

        List all event subscriptions that have been created for a specific
        domain topic.

        :param resource_group_name: The name of the resource group within the
         user's subscription.
        :type resource_group_name: str
        :param domain_name: Name of the top level domain.
        :type domain_name: str
        :param topic_name: Name of the domain topic.
        :type topic_name: str
        :param filter: The query used to filter the search results using OData
         syntax. Filtering is permitted on the 'name' property only and with
         limited number of OData operations. These operations are: the
         'contains' function as well as the following logical operations: not,
         and, or, eq (for equal), and ne (for not equal). No arithmetic
         operations are supported. The following is a valid filter example:
         $filter=contains(namE, 'PATTERN') and name ne 'PATTERN-1'. The
         following is not a valid filter example: $filter=location eq 'westus'.
        :type filter: str
        :param top: The number of results to return per page for the list
         operation. Valid range for top parameter is 1 to 100. If not
         specified, the default number of results to be returned is 20 items
         per page.
        :type top: int
        :param dict custom_headers: headers that will be added to the request
        :param bool raw: returns the direct response alongside the
         deserialized response
        :param operation_config: :ref:`Operation configuration
         overrides<msrest:optionsforoperations>`.
        :return: An iterator like instance of EventSubscription
        :rtype:
         ~azure.mgmt.eventgrid.models.EventSubscriptionPaged[~azure.mgmt.eventgrid.models.EventSubscription]
        :raises: :class:`CloudError<msrestazure.azure_exceptions.CloudError>`
        """
        def prepare_request(next_link=None):
            if not next_link:
                # Construct URL
                url = self.list_by_domain_topic.metadata['url']
                path_format_arguments = {
                    'subscriptionId': self._serialize.url("self.config.subscription_id", self.config.subscription_id, 'str'),
                    'resourceGroupName': self._serialize.url("resource_group_name", resource_group_name, 'str'),
                    'domainName': self._serialize.url("domain_name", domain_name, 'str'),
                    'topicName': self._serialize.url("topic_name", topic_name, 'str')
                }
                url = self._client.format_url(url, **path_format_arguments)

                # Construct parameters
                query_parameters = {}
                query_parameters['api-version'] = self._serialize.query("self.api_version", self.api_version, 'str')
                if filter is not None:
                    query_parameters['$filter'] = self._serialize.query("filter", filter, 'str')
                if top is not None:
                    query_parameters['$top'] = self._serialize.query("top", top, 'int')

            else:
                url = next_link
                query_parameters = {}

            # Construct headers
            header_parameters = {}
            header_parameters['Accept'] = 'application/json'
            if self.config.generate_client_request_id:
                header_parameters['x-ms-client-request-id'] = str(uuid.uuid1())
            if custom_headers:
                header_parameters.update(custom_headers)
            if self.config.accept_language is not None:
                header_parameters['accept-language'] = self._serialize.header("self.config.accept_language", self.config.accept_language, 'str')

            # Construct and send request
            request = self._client.get(url, query_parameters, header_parameters)
            return request

        def internal_paging(next_link=None):
            request = prepare_request(next_link)

            response = self._client.send(request, stream=False, **operation_config)

            if response.status_code not in [200]:
                exp = CloudError(response)
                exp.request_id = response.headers.get('x-ms-request-id')
                raise exp

            return response

        # Deserialize response
        header_dict = None
        if raw:
            header_dict = {}
        deserialized = models.EventSubscriptionPaged(internal_paging, self._deserialize.dependencies, header_dict)

        return deserialized
    list_by_domain_topic.metadata = {'url': '/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.EventGrid/domains/{domainName}/topics/{topicName}/providers/Microsoft.EventGrid/eventSubscriptions'}
