# Copyright 2015 Google Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

require 'google/apis/core/base_service'
require 'google/apis/core/json_representation'
require 'google/apis/core/hashable'
require 'google/apis/errors'

module Google
  module Apis
    module DatastoreV1
      # Cloud Datastore API
      #
      # Accesses the schemaless NoSQL database to provide fully managed, robust,
      #  scalable storage for your application.
      #
      # @example
      #    require 'google/apis/datastore_v1'
      #
      #    Datastore = Google::Apis::DatastoreV1 # Alias the module
      #    service = Datastore::DatastoreService.new
      #
      # @see https://cloud.google.com/datastore/
      class DatastoreService < Google::Apis::Core::BaseService
        # @return [String]
        #  API key. Your API key identifies your project and provides you with API access,
        #  quota, and reports. Required unless you provide an OAuth 2.0 token.
        attr_accessor :key

        # @return [String]
        #  Available to use for quota purposes for server-side applications. Can be any
        #  arbitrary string assigned to a user, but should not exceed 40 characters.
        attr_accessor :quota_user

        def initialize
          super('https://datastore.googleapis.com/', '')
          @batch_path = 'batch'
        end
        
        # Allocates IDs for the given keys, which is useful for referencing an entity
        # before it is inserted.
        # @param [String] project_id
        #   Required. The ID of the project against which to make the request.
        # @param [Google::Apis::DatastoreV1::AllocateIdsRequest] allocate_ids_request_object
        # @param [String] fields
        #   Selector specifying which fields to include in a partial response.
        # @param [String] quota_user
        #   Available to use for quota purposes for server-side applications. Can be any
        #   arbitrary string assigned to a user, but should not exceed 40 characters.
        # @param [Google::Apis::RequestOptions] options
        #   Request-specific options
        #
        # @yield [result, err] Result & error if block supplied
        # @yieldparam result [Google::Apis::DatastoreV1::AllocateIdsResponse] parsed result object
        # @yieldparam err [StandardError] error object if request failed
        #
        # @return [Google::Apis::DatastoreV1::AllocateIdsResponse]
        #
        # @raise [Google::Apis::ServerError] An error occurred on the server and the request can be retried
        # @raise [Google::Apis::ClientError] The request is invalid and should not be retried without modification
        # @raise [Google::Apis::AuthorizationError] Authorization is required
        def allocate_project_ids(project_id, allocate_ids_request_object = nil, fields: nil, quota_user: nil, options: nil, &block)
          command = make_simple_command(:post, 'v1/projects/{projectId}:allocateIds', options)
          command.request_representation = Google::Apis::DatastoreV1::AllocateIdsRequest::Representation
          command.request_object = allocate_ids_request_object
          command.response_representation = Google::Apis::DatastoreV1::AllocateIdsResponse::Representation
          command.response_class = Google::Apis::DatastoreV1::AllocateIdsResponse
          command.params['projectId'] = project_id unless project_id.nil?
          command.query['fields'] = fields unless fields.nil?
          command.query['quotaUser'] = quota_user unless quota_user.nil?
          execute_or_queue_command(command, &block)
        end
        
        # Begins a new transaction.
        # @param [String] project_id
        #   Required. The ID of the project against which to make the request.
        # @param [Google::Apis::DatastoreV1::BeginTransactionRequest] begin_transaction_request_object
        # @param [String] fields
        #   Selector specifying which fields to include in a partial response.
        # @param [String] quota_user
        #   Available to use for quota purposes for server-side applications. Can be any
        #   arbitrary string assigned to a user, but should not exceed 40 characters.
        # @param [Google::Apis::RequestOptions] options
        #   Request-specific options
        #
        # @yield [result, err] Result & error if block supplied
        # @yieldparam result [Google::Apis::DatastoreV1::BeginTransactionResponse] parsed result object
        # @yieldparam err [StandardError] error object if request failed
        #
        # @return [Google::Apis::DatastoreV1::BeginTransactionResponse]
        #
        # @raise [Google::Apis::ServerError] An error occurred on the server and the request can be retried
        # @raise [Google::Apis::ClientError] The request is invalid and should not be retried without modification
        # @raise [Google::Apis::AuthorizationError] Authorization is required
        def begin_project_transaction(project_id, begin_transaction_request_object = nil, fields: nil, quota_user: nil, options: nil, &block)
          command = make_simple_command(:post, 'v1/projects/{projectId}:beginTransaction', options)
          command.request_representation = Google::Apis::DatastoreV1::BeginTransactionRequest::Representation
          command.request_object = begin_transaction_request_object
          command.response_representation = Google::Apis::DatastoreV1::BeginTransactionResponse::Representation
          command.response_class = Google::Apis::DatastoreV1::BeginTransactionResponse
          command.params['projectId'] = project_id unless project_id.nil?
          command.query['fields'] = fields unless fields.nil?
          command.query['quotaUser'] = quota_user unless quota_user.nil?
          execute_or_queue_command(command, &block)
        end
        
        # Commits a transaction, optionally creating, deleting or modifying some
        # entities.
        # @param [String] project_id
        #   Required. The ID of the project against which to make the request.
        # @param [Google::Apis::DatastoreV1::CommitRequest] commit_request_object
        # @param [String] fields
        #   Selector specifying which fields to include in a partial response.
        # @param [String] quota_user
        #   Available to use for quota purposes for server-side applications. Can be any
        #   arbitrary string assigned to a user, but should not exceed 40 characters.
        # @param [Google::Apis::RequestOptions] options
        #   Request-specific options
        #
        # @yield [result, err] Result & error if block supplied
        # @yieldparam result [Google::Apis::DatastoreV1::CommitResponse] parsed result object
        # @yieldparam err [StandardError] error object if request failed
        #
        # @return [Google::Apis::DatastoreV1::CommitResponse]
        #
        # @raise [Google::Apis::ServerError] An error occurred on the server and the request can be retried
        # @raise [Google::Apis::ClientError] The request is invalid and should not be retried without modification
        # @raise [Google::Apis::AuthorizationError] Authorization is required
        def commit_project(project_id, commit_request_object = nil, fields: nil, quota_user: nil, options: nil, &block)
          command = make_simple_command(:post, 'v1/projects/{projectId}:commit', options)
          command.request_representation = Google::Apis::DatastoreV1::CommitRequest::Representation
          command.request_object = commit_request_object
          command.response_representation = Google::Apis::DatastoreV1::CommitResponse::Representation
          command.response_class = Google::Apis::DatastoreV1::CommitResponse
          command.params['projectId'] = project_id unless project_id.nil?
          command.query['fields'] = fields unless fields.nil?
          command.query['quotaUser'] = quota_user unless quota_user.nil?
          execute_or_queue_command(command, &block)
        end
        
        # Exports a copy of all or a subset of entities from Google Cloud Datastore to
        # another storage system, such as Google Cloud Storage. Recent updates to
        # entities may not be reflected in the export. The export occurs in the
        # background and its progress can be monitored and managed via the Operation
        # resource that is created. The output of an export may only be used once the
        # associated operation is done. If an export operation is cancelled before
        # completion it may leave partial data behind in Google Cloud Storage.
        # @param [String] project_id
        #   Required. Project ID against which to make the request.
        # @param [Google::Apis::DatastoreV1::GoogleDatastoreAdminV1ExportEntitiesRequest] google_datastore_admin_v1_export_entities_request_object
        # @param [String] fields
        #   Selector specifying which fields to include in a partial response.
        # @param [String] quota_user
        #   Available to use for quota purposes for server-side applications. Can be any
        #   arbitrary string assigned to a user, but should not exceed 40 characters.
        # @param [Google::Apis::RequestOptions] options
        #   Request-specific options
        #
        # @yield [result, err] Result & error if block supplied
        # @yieldparam result [Google::Apis::DatastoreV1::GoogleLongrunningOperation] parsed result object
        # @yieldparam err [StandardError] error object if request failed
        #
        # @return [Google::Apis::DatastoreV1::GoogleLongrunningOperation]
        #
        # @raise [Google::Apis::ServerError] An error occurred on the server and the request can be retried
        # @raise [Google::Apis::ClientError] The request is invalid and should not be retried without modification
        # @raise [Google::Apis::AuthorizationError] Authorization is required
        def export_project(project_id, google_datastore_admin_v1_export_entities_request_object = nil, fields: nil, quota_user: nil, options: nil, &block)
          command = make_simple_command(:post, 'v1/projects/{projectId}:export', options)
          command.request_representation = Google::Apis::DatastoreV1::GoogleDatastoreAdminV1ExportEntitiesRequest::Representation
          command.request_object = google_datastore_admin_v1_export_entities_request_object
          command.response_representation = Google::Apis::DatastoreV1::GoogleLongrunningOperation::Representation
          command.response_class = Google::Apis::DatastoreV1::GoogleLongrunningOperation
          command.params['projectId'] = project_id unless project_id.nil?
          command.query['fields'] = fields unless fields.nil?
          command.query['quotaUser'] = quota_user unless quota_user.nil?
          execute_or_queue_command(command, &block)
        end
        
        # Imports entities into Google Cloud Datastore. Existing entities with the same
        # key are overwritten. The import occurs in the background and its progress can
        # be monitored and managed via the Operation resource that is created. If an
        # ImportEntities operation is cancelled, it is possible that a subset of the
        # data has already been imported to Cloud Datastore.
        # @param [String] project_id
        #   Required. Project ID against which to make the request.
        # @param [Google::Apis::DatastoreV1::GoogleDatastoreAdminV1ImportEntitiesRequest] google_datastore_admin_v1_import_entities_request_object
        # @param [String] fields
        #   Selector specifying which fields to include in a partial response.
        # @param [String] quota_user
        #   Available to use for quota purposes for server-side applications. Can be any
        #   arbitrary string assigned to a user, but should not exceed 40 characters.
        # @param [Google::Apis::RequestOptions] options
        #   Request-specific options
        #
        # @yield [result, err] Result & error if block supplied
        # @yieldparam result [Google::Apis::DatastoreV1::GoogleLongrunningOperation] parsed result object
        # @yieldparam err [StandardError] error object if request failed
        #
        # @return [Google::Apis::DatastoreV1::GoogleLongrunningOperation]
        #
        # @raise [Google::Apis::ServerError] An error occurred on the server and the request can be retried
        # @raise [Google::Apis::ClientError] The request is invalid and should not be retried without modification
        # @raise [Google::Apis::AuthorizationError] Authorization is required
        def import_project(project_id, google_datastore_admin_v1_import_entities_request_object = nil, fields: nil, quota_user: nil, options: nil, &block)
          command = make_simple_command(:post, 'v1/projects/{projectId}:import', options)
          command.request_representation = Google::Apis::DatastoreV1::GoogleDatastoreAdminV1ImportEntitiesRequest::Representation
          command.request_object = google_datastore_admin_v1_import_entities_request_object
          command.response_representation = Google::Apis::DatastoreV1::GoogleLongrunningOperation::Representation
          command.response_class = Google::Apis::DatastoreV1::GoogleLongrunningOperation
          command.params['projectId'] = project_id unless project_id.nil?
          command.query['fields'] = fields unless fields.nil?
          command.query['quotaUser'] = quota_user unless quota_user.nil?
          execute_or_queue_command(command, &block)
        end
        
        # Looks up entities by key.
        # @param [String] project_id
        #   Required. The ID of the project against which to make the request.
        # @param [Google::Apis::DatastoreV1::LookupRequest] lookup_request_object
        # @param [String] fields
        #   Selector specifying which fields to include in a partial response.
        # @param [String] quota_user
        #   Available to use for quota purposes for server-side applications. Can be any
        #   arbitrary string assigned to a user, but should not exceed 40 characters.
        # @param [Google::Apis::RequestOptions] options
        #   Request-specific options
        #
        # @yield [result, err] Result & error if block supplied
        # @yieldparam result [Google::Apis::DatastoreV1::LookupResponse] parsed result object
        # @yieldparam err [StandardError] error object if request failed
        #
        # @return [Google::Apis::DatastoreV1::LookupResponse]
        #
        # @raise [Google::Apis::ServerError] An error occurred on the server and the request can be retried
        # @raise [Google::Apis::ClientError] The request is invalid and should not be retried without modification
        # @raise [Google::Apis::AuthorizationError] Authorization is required
        def lookup_project(project_id, lookup_request_object = nil, fields: nil, quota_user: nil, options: nil, &block)
          command = make_simple_command(:post, 'v1/projects/{projectId}:lookup', options)
          command.request_representation = Google::Apis::DatastoreV1::LookupRequest::Representation
          command.request_object = lookup_request_object
          command.response_representation = Google::Apis::DatastoreV1::LookupResponse::Representation
          command.response_class = Google::Apis::DatastoreV1::LookupResponse
          command.params['projectId'] = project_id unless project_id.nil?
          command.query['fields'] = fields unless fields.nil?
          command.query['quotaUser'] = quota_user unless quota_user.nil?
          execute_or_queue_command(command, &block)
        end
        
        # Prevents the supplied keys' IDs from being auto-allocated by Cloud Datastore.
        # @param [String] project_id
        #   Required. The ID of the project against which to make the request.
        # @param [Google::Apis::DatastoreV1::ReserveIdsRequest] reserve_ids_request_object
        # @param [String] fields
        #   Selector specifying which fields to include in a partial response.
        # @param [String] quota_user
        #   Available to use for quota purposes for server-side applications. Can be any
        #   arbitrary string assigned to a user, but should not exceed 40 characters.
        # @param [Google::Apis::RequestOptions] options
        #   Request-specific options
        #
        # @yield [result, err] Result & error if block supplied
        # @yieldparam result [Google::Apis::DatastoreV1::ReserveIdsResponse] parsed result object
        # @yieldparam err [StandardError] error object if request failed
        #
        # @return [Google::Apis::DatastoreV1::ReserveIdsResponse]
        #
        # @raise [Google::Apis::ServerError] An error occurred on the server and the request can be retried
        # @raise [Google::Apis::ClientError] The request is invalid and should not be retried without modification
        # @raise [Google::Apis::AuthorizationError] Authorization is required
        def reserve_project_ids(project_id, reserve_ids_request_object = nil, fields: nil, quota_user: nil, options: nil, &block)
          command = make_simple_command(:post, 'v1/projects/{projectId}:reserveIds', options)
          command.request_representation = Google::Apis::DatastoreV1::ReserveIdsRequest::Representation
          command.request_object = reserve_ids_request_object
          command.response_representation = Google::Apis::DatastoreV1::ReserveIdsResponse::Representation
          command.response_class = Google::Apis::DatastoreV1::ReserveIdsResponse
          command.params['projectId'] = project_id unless project_id.nil?
          command.query['fields'] = fields unless fields.nil?
          command.query['quotaUser'] = quota_user unless quota_user.nil?
          execute_or_queue_command(command, &block)
        end
        
        # Rolls back a transaction.
        # @param [String] project_id
        #   Required. The ID of the project against which to make the request.
        # @param [Google::Apis::DatastoreV1::RollbackRequest] rollback_request_object
        # @param [String] fields
        #   Selector specifying which fields to include in a partial response.
        # @param [String] quota_user
        #   Available to use for quota purposes for server-side applications. Can be any
        #   arbitrary string assigned to a user, but should not exceed 40 characters.
        # @param [Google::Apis::RequestOptions] options
        #   Request-specific options
        #
        # @yield [result, err] Result & error if block supplied
        # @yieldparam result [Google::Apis::DatastoreV1::RollbackResponse] parsed result object
        # @yieldparam err [StandardError] error object if request failed
        #
        # @return [Google::Apis::DatastoreV1::RollbackResponse]
        #
        # @raise [Google::Apis::ServerError] An error occurred on the server and the request can be retried
        # @raise [Google::Apis::ClientError] The request is invalid and should not be retried without modification
        # @raise [Google::Apis::AuthorizationError] Authorization is required
        def rollback_project(project_id, rollback_request_object = nil, fields: nil, quota_user: nil, options: nil, &block)
          command = make_simple_command(:post, 'v1/projects/{projectId}:rollback', options)
          command.request_representation = Google::Apis::DatastoreV1::RollbackRequest::Representation
          command.request_object = rollback_request_object
          command.response_representation = Google::Apis::DatastoreV1::RollbackResponse::Representation
          command.response_class = Google::Apis::DatastoreV1::RollbackResponse
          command.params['projectId'] = project_id unless project_id.nil?
          command.query['fields'] = fields unless fields.nil?
          command.query['quotaUser'] = quota_user unless quota_user.nil?
          execute_or_queue_command(command, &block)
        end
        
        # Queries for entities.
        # @param [String] project_id
        #   Required. The ID of the project against which to make the request.
        # @param [Google::Apis::DatastoreV1::RunQueryRequest] run_query_request_object
        # @param [String] fields
        #   Selector specifying which fields to include in a partial response.
        # @param [String] quota_user
        #   Available to use for quota purposes for server-side applications. Can be any
        #   arbitrary string assigned to a user, but should not exceed 40 characters.
        # @param [Google::Apis::RequestOptions] options
        #   Request-specific options
        #
        # @yield [result, err] Result & error if block supplied
        # @yieldparam result [Google::Apis::DatastoreV1::RunQueryResponse] parsed result object
        # @yieldparam err [StandardError] error object if request failed
        #
        # @return [Google::Apis::DatastoreV1::RunQueryResponse]
        #
        # @raise [Google::Apis::ServerError] An error occurred on the server and the request can be retried
        # @raise [Google::Apis::ClientError] The request is invalid and should not be retried without modification
        # @raise [Google::Apis::AuthorizationError] Authorization is required
        def run_project_query(project_id, run_query_request_object = nil, fields: nil, quota_user: nil, options: nil, &block)
          command = make_simple_command(:post, 'v1/projects/{projectId}:runQuery', options)
          command.request_representation = Google::Apis::DatastoreV1::RunQueryRequest::Representation
          command.request_object = run_query_request_object
          command.response_representation = Google::Apis::DatastoreV1::RunQueryResponse::Representation
          command.response_class = Google::Apis::DatastoreV1::RunQueryResponse
          command.params['projectId'] = project_id unless project_id.nil?
          command.query['fields'] = fields unless fields.nil?
          command.query['quotaUser'] = quota_user unless quota_user.nil?
          execute_or_queue_command(command, &block)
        end
        
        # Creates the specified index. A newly created index's initial state is `
        # CREATING`. On completion of the returned google.longrunning.Operation, the
        # state will be `READY`. If the index already exists, the call will return an `
        # ALREADY_EXISTS` status. During index creation, the process could result in an
        # error, in which case the index will move to the `ERROR` state. The process can
        # be recovered by fixing the data that caused the error, removing the index with
        # delete, then re-creating the index with create. Indexes with a single property
        # cannot be created.
        # @param [String] project_id
        #   Project ID against which to make the request.
        # @param [Google::Apis::DatastoreV1::GoogleDatastoreAdminV1Index] google_datastore_admin_v1_index_object
        # @param [String] fields
        #   Selector specifying which fields to include in a partial response.
        # @param [String] quota_user
        #   Available to use for quota purposes for server-side applications. Can be any
        #   arbitrary string assigned to a user, but should not exceed 40 characters.
        # @param [Google::Apis::RequestOptions] options
        #   Request-specific options
        #
        # @yield [result, err] Result & error if block supplied
        # @yieldparam result [Google::Apis::DatastoreV1::GoogleLongrunningOperation] parsed result object
        # @yieldparam err [StandardError] error object if request failed
        #
        # @return [Google::Apis::DatastoreV1::GoogleLongrunningOperation]
        #
        # @raise [Google::Apis::ServerError] An error occurred on the server and the request can be retried
        # @raise [Google::Apis::ClientError] The request is invalid and should not be retried without modification
        # @raise [Google::Apis::AuthorizationError] Authorization is required
        def create_project_index(project_id, google_datastore_admin_v1_index_object = nil, fields: nil, quota_user: nil, options: nil, &block)
          command = make_simple_command(:post, 'v1/projects/{projectId}/indexes', options)
          command.request_representation = Google::Apis::DatastoreV1::GoogleDatastoreAdminV1Index::Representation
          command.request_object = google_datastore_admin_v1_index_object
          command.response_representation = Google::Apis::DatastoreV1::GoogleLongrunningOperation::Representation
          command.response_class = Google::Apis::DatastoreV1::GoogleLongrunningOperation
          command.params['projectId'] = project_id unless project_id.nil?
          command.query['fields'] = fields unless fields.nil?
          command.query['quotaUser'] = quota_user unless quota_user.nil?
          execute_or_queue_command(command, &block)
        end
        
        # Deletes an existing index. An index can only be deleted if it is in a `READY`
        # or `ERROR` state. On successful execution of the request, the index will be in
        # a `DELETING` state. And on completion of the returned google.longrunning.
        # Operation, the index will be removed. During index deletion, the process could
        # result in an error, in which case the index will move to the `ERROR` state.
        # The process can be recovered by fixing the data that caused the error,
        # followed by calling delete again.
        # @param [String] project_id
        #   Project ID against which to make the request.
        # @param [String] index_id
        #   The resource ID of the index to delete.
        # @param [String] fields
        #   Selector specifying which fields to include in a partial response.
        # @param [String] quota_user
        #   Available to use for quota purposes for server-side applications. Can be any
        #   arbitrary string assigned to a user, but should not exceed 40 characters.
        # @param [Google::Apis::RequestOptions] options
        #   Request-specific options
        #
        # @yield [result, err] Result & error if block supplied
        # @yieldparam result [Google::Apis::DatastoreV1::GoogleLongrunningOperation] parsed result object
        # @yieldparam err [StandardError] error object if request failed
        #
        # @return [Google::Apis::DatastoreV1::GoogleLongrunningOperation]
        #
        # @raise [Google::Apis::ServerError] An error occurred on the server and the request can be retried
        # @raise [Google::Apis::ClientError] The request is invalid and should not be retried without modification
        # @raise [Google::Apis::AuthorizationError] Authorization is required
        def delete_project_index(project_id, index_id, fields: nil, quota_user: nil, options: nil, &block)
          command = make_simple_command(:delete, 'v1/projects/{projectId}/indexes/{indexId}', options)
          command.response_representation = Google::Apis::DatastoreV1::GoogleLongrunningOperation::Representation
          command.response_class = Google::Apis::DatastoreV1::GoogleLongrunningOperation
          command.params['projectId'] = project_id unless project_id.nil?
          command.params['indexId'] = index_id unless index_id.nil?
          command.query['fields'] = fields unless fields.nil?
          command.query['quotaUser'] = quota_user unless quota_user.nil?
          execute_or_queue_command(command, &block)
        end
        
        # Gets an index.
        # @param [String] project_id
        #   Project ID against which to make the request.
        # @param [String] index_id
        #   The resource ID of the index to get.
        # @param [String] fields
        #   Selector specifying which fields to include in a partial response.
        # @param [String] quota_user
        #   Available to use for quota purposes for server-side applications. Can be any
        #   arbitrary string assigned to a user, but should not exceed 40 characters.
        # @param [Google::Apis::RequestOptions] options
        #   Request-specific options
        #
        # @yield [result, err] Result & error if block supplied
        # @yieldparam result [Google::Apis::DatastoreV1::GoogleDatastoreAdminV1Index] parsed result object
        # @yieldparam err [StandardError] error object if request failed
        #
        # @return [Google::Apis::DatastoreV1::GoogleDatastoreAdminV1Index]
        #
        # @raise [Google::Apis::ServerError] An error occurred on the server and the request can be retried
        # @raise [Google::Apis::ClientError] The request is invalid and should not be retried without modification
        # @raise [Google::Apis::AuthorizationError] Authorization is required
        def get_project_index(project_id, index_id, fields: nil, quota_user: nil, options: nil, &block)
          command = make_simple_command(:get, 'v1/projects/{projectId}/indexes/{indexId}', options)
          command.response_representation = Google::Apis::DatastoreV1::GoogleDatastoreAdminV1Index::Representation
          command.response_class = Google::Apis::DatastoreV1::GoogleDatastoreAdminV1Index
          command.params['projectId'] = project_id unless project_id.nil?
          command.params['indexId'] = index_id unless index_id.nil?
          command.query['fields'] = fields unless fields.nil?
          command.query['quotaUser'] = quota_user unless quota_user.nil?
          execute_or_queue_command(command, &block)
        end
        
        # Lists the indexes that match the specified filters. Datastore uses an
        # eventually consistent query to fetch the list of indexes and may occasionally
        # return stale results.
        # @param [String] project_id
        #   Project ID against which to make the request.
        # @param [String] filter
        # @param [Fixnum] page_size
        #   The maximum number of items to return. If zero, then all results will be
        #   returned.
        # @param [String] page_token
        #   The next_page_token value returned from a previous List request, if any.
        # @param [String] fields
        #   Selector specifying which fields to include in a partial response.
        # @param [String] quota_user
        #   Available to use for quota purposes for server-side applications. Can be any
        #   arbitrary string assigned to a user, but should not exceed 40 characters.
        # @param [Google::Apis::RequestOptions] options
        #   Request-specific options
        #
        # @yield [result, err] Result & error if block supplied
        # @yieldparam result [Google::Apis::DatastoreV1::GoogleDatastoreAdminV1ListIndexesResponse] parsed result object
        # @yieldparam err [StandardError] error object if request failed
        #
        # @return [Google::Apis::DatastoreV1::GoogleDatastoreAdminV1ListIndexesResponse]
        #
        # @raise [Google::Apis::ServerError] An error occurred on the server and the request can be retried
        # @raise [Google::Apis::ClientError] The request is invalid and should not be retried without modification
        # @raise [Google::Apis::AuthorizationError] Authorization is required
        def list_project_indexes(project_id, filter: nil, page_size: nil, page_token: nil, fields: nil, quota_user: nil, options: nil, &block)
          command = make_simple_command(:get, 'v1/projects/{projectId}/indexes', options)
          command.response_representation = Google::Apis::DatastoreV1::GoogleDatastoreAdminV1ListIndexesResponse::Representation
          command.response_class = Google::Apis::DatastoreV1::GoogleDatastoreAdminV1ListIndexesResponse
          command.params['projectId'] = project_id unless project_id.nil?
          command.query['filter'] = filter unless filter.nil?
          command.query['pageSize'] = page_size unless page_size.nil?
          command.query['pageToken'] = page_token unless page_token.nil?
          command.query['fields'] = fields unless fields.nil?
          command.query['quotaUser'] = quota_user unless quota_user.nil?
          execute_or_queue_command(command, &block)
        end
        
        # Starts asynchronous cancellation on a long-running operation. The server makes
        # a best effort to cancel the operation, but success is not guaranteed. If the
        # server doesn't support this method, it returns `google.rpc.Code.UNIMPLEMENTED`.
        # Clients can use Operations.GetOperation or other methods to check whether the
        # cancellation succeeded or whether the operation completed despite cancellation.
        # On successful cancellation, the operation is not deleted; instead, it becomes
        # an operation with an Operation.error value with a google.rpc.Status.code of 1,
        # corresponding to `Code.CANCELLED`.
        # @param [String] name
        #   The name of the operation resource to be cancelled.
        # @param [String] fields
        #   Selector specifying which fields to include in a partial response.
        # @param [String] quota_user
        #   Available to use for quota purposes for server-side applications. Can be any
        #   arbitrary string assigned to a user, but should not exceed 40 characters.
        # @param [Google::Apis::RequestOptions] options
        #   Request-specific options
        #
        # @yield [result, err] Result & error if block supplied
        # @yieldparam result [Google::Apis::DatastoreV1::Empty] parsed result object
        # @yieldparam err [StandardError] error object if request failed
        #
        # @return [Google::Apis::DatastoreV1::Empty]
        #
        # @raise [Google::Apis::ServerError] An error occurred on the server and the request can be retried
        # @raise [Google::Apis::ClientError] The request is invalid and should not be retried without modification
        # @raise [Google::Apis::AuthorizationError] Authorization is required
        def cancel_project_operation(name, fields: nil, quota_user: nil, options: nil, &block)
          command = make_simple_command(:post, 'v1/{+name}:cancel', options)
          command.response_representation = Google::Apis::DatastoreV1::Empty::Representation
          command.response_class = Google::Apis::DatastoreV1::Empty
          command.params['name'] = name unless name.nil?
          command.query['fields'] = fields unless fields.nil?
          command.query['quotaUser'] = quota_user unless quota_user.nil?
          execute_or_queue_command(command, &block)
        end
        
        # Deletes a long-running operation. This method indicates that the client is no
        # longer interested in the operation result. It does not cancel the operation.
        # If the server doesn't support this method, it returns `google.rpc.Code.
        # UNIMPLEMENTED`.
        # @param [String] name
        #   The name of the operation resource to be deleted.
        # @param [String] fields
        #   Selector specifying which fields to include in a partial response.
        # @param [String] quota_user
        #   Available to use for quota purposes for server-side applications. Can be any
        #   arbitrary string assigned to a user, but should not exceed 40 characters.
        # @param [Google::Apis::RequestOptions] options
        #   Request-specific options
        #
        # @yield [result, err] Result & error if block supplied
        # @yieldparam result [Google::Apis::DatastoreV1::Empty] parsed result object
        # @yieldparam err [StandardError] error object if request failed
        #
        # @return [Google::Apis::DatastoreV1::Empty]
        #
        # @raise [Google::Apis::ServerError] An error occurred on the server and the request can be retried
        # @raise [Google::Apis::ClientError] The request is invalid and should not be retried without modification
        # @raise [Google::Apis::AuthorizationError] Authorization is required
        def delete_project_operation(name, fields: nil, quota_user: nil, options: nil, &block)
          command = make_simple_command(:delete, 'v1/{+name}', options)
          command.response_representation = Google::Apis::DatastoreV1::Empty::Representation
          command.response_class = Google::Apis::DatastoreV1::Empty
          command.params['name'] = name unless name.nil?
          command.query['fields'] = fields unless fields.nil?
          command.query['quotaUser'] = quota_user unless quota_user.nil?
          execute_or_queue_command(command, &block)
        end
        
        # Gets the latest state of a long-running operation. Clients can use this method
        # to poll the operation result at intervals as recommended by the API service.
        # @param [String] name
        #   The name of the operation resource.
        # @param [String] fields
        #   Selector specifying which fields to include in a partial response.
        # @param [String] quota_user
        #   Available to use for quota purposes for server-side applications. Can be any
        #   arbitrary string assigned to a user, but should not exceed 40 characters.
        # @param [Google::Apis::RequestOptions] options
        #   Request-specific options
        #
        # @yield [result, err] Result & error if block supplied
        # @yieldparam result [Google::Apis::DatastoreV1::GoogleLongrunningOperation] parsed result object
        # @yieldparam err [StandardError] error object if request failed
        #
        # @return [Google::Apis::DatastoreV1::GoogleLongrunningOperation]
        #
        # @raise [Google::Apis::ServerError] An error occurred on the server and the request can be retried
        # @raise [Google::Apis::ClientError] The request is invalid and should not be retried without modification
        # @raise [Google::Apis::AuthorizationError] Authorization is required
        def get_project_operation(name, fields: nil, quota_user: nil, options: nil, &block)
          command = make_simple_command(:get, 'v1/{+name}', options)
          command.response_representation = Google::Apis::DatastoreV1::GoogleLongrunningOperation::Representation
          command.response_class = Google::Apis::DatastoreV1::GoogleLongrunningOperation
          command.params['name'] = name unless name.nil?
          command.query['fields'] = fields unless fields.nil?
          command.query['quotaUser'] = quota_user unless quota_user.nil?
          execute_or_queue_command(command, &block)
        end
        
        # Lists operations that match the specified filter in the request. If the server
        # doesn't support this method, it returns `UNIMPLEMENTED`. NOTE: the `name`
        # binding allows API services to override the binding to use different resource
        # name schemes, such as `users/*/operations`. To override the binding, API
        # services can add a binding such as `"/v1/`name=users/*`/operations"` to their
        # service configuration. For backwards compatibility, the default name includes
        # the operations collection id, however overriding users must ensure the name
        # binding is the parent resource, without the operations collection id.
        # @param [String] name
        #   The name of the operation's parent resource.
        # @param [String] filter
        #   The standard list filter.
        # @param [Fixnum] page_size
        #   The standard list page size.
        # @param [String] page_token
        #   The standard list page token.
        # @param [String] fields
        #   Selector specifying which fields to include in a partial response.
        # @param [String] quota_user
        #   Available to use for quota purposes for server-side applications. Can be any
        #   arbitrary string assigned to a user, but should not exceed 40 characters.
        # @param [Google::Apis::RequestOptions] options
        #   Request-specific options
        #
        # @yield [result, err] Result & error if block supplied
        # @yieldparam result [Google::Apis::DatastoreV1::GoogleLongrunningListOperationsResponse] parsed result object
        # @yieldparam err [StandardError] error object if request failed
        #
        # @return [Google::Apis::DatastoreV1::GoogleLongrunningListOperationsResponse]
        #
        # @raise [Google::Apis::ServerError] An error occurred on the server and the request can be retried
        # @raise [Google::Apis::ClientError] The request is invalid and should not be retried without modification
        # @raise [Google::Apis::AuthorizationError] Authorization is required
        def list_project_operations(name, filter: nil, page_size: nil, page_token: nil, fields: nil, quota_user: nil, options: nil, &block)
          command = make_simple_command(:get, 'v1/{+name}/operations', options)
          command.response_representation = Google::Apis::DatastoreV1::GoogleLongrunningListOperationsResponse::Representation
          command.response_class = Google::Apis::DatastoreV1::GoogleLongrunningListOperationsResponse
          command.params['name'] = name unless name.nil?
          command.query['filter'] = filter unless filter.nil?
          command.query['pageSize'] = page_size unless page_size.nil?
          command.query['pageToken'] = page_token unless page_token.nil?
          command.query['fields'] = fields unless fields.nil?
          command.query['quotaUser'] = quota_user unless quota_user.nil?
          execute_or_queue_command(command, &block)
        end

        protected

        def apply_command_defaults(command)
          command.query['key'] = key unless key.nil?
          command.query['quotaUser'] = quota_user unless quota_user.nil?
        end
      end
    end
  end
end