def process_request(self, req, body, project_id):
        try:
            validation.validate_params(self.schema, body)

            # parse request_items
            request_items = parser.Parser.parse_request_items(
                body[parser.Props.REQUEST_ITEMS])
        except Exception:
            raise exception.ValidationException()

        try:
            req.context.tenant = project_id

            request_list = collections.deque()
            for rq_item in request_items:
                request_list.append(rq_item)

            response = {'unprocessed_items': {}}

            if not storage.execute_write_batch(req.context, request_list):
                raise exception.AWSErrorResponseException(
                    'Batch write failed')

            return response
        except exception.AWSErrorResponseException as e:
            raise e
        except Exception:
            raise exception.AWSErrorResponseException()
def batch_write_item(req, project_id):
    """The BatchWriteItem operation puts or deletes
    multiple items in one or more tables.
    """

    with probe.Probe(__name__ + '.validation'):
        body = req.json_body
        validation.validate_object(body, "body")

        request_items_json = body.pop(parser.Props.REQUEST_ITEMS, None)
        validation.validate_object(request_items_json,
                                   parser.Props.REQUEST_ITEMS)

        validation.validate_unexpected_props(body, "body")

        # parse request_items
        request_map = parser.Parser.parse_batch_write_request_items(
            request_items_json
        )

    unprocessed_items = storage.execute_write_batch(project_id, request_map)

    return {
        'unprocessed_items': parser.Parser.format_request_items(
            unprocessed_items)}
    def process_request(self, req, body, project_id):
        with probe.Probe(__name__ + ".validation"):
            validation.validate_object(body, "body")

            request_items_json = body.pop(parser.Props.REQUEST_ITEMS, None)
            validation.validate_object(request_items_json, parser.Props.REQUEST_ITEMS)

            validation.validate_unexpected_props(body, "body")

            # parse request_items
            request_map = parser.Parser.parse_batch_write_request_items(request_items_json)

        unprocessed_items = storage.execute_write_batch(req.context, request_map)

        return {"unprocessed_items": parser.Parser.format_request_items(unprocessed_items)}
    def process_request(self, req, body, project_id):
        jsonschema.validate(body, self.schema)

        # parse request_items
        request_items = parser.Parser.parse_request_items(
            body[parser.Props.REQUEST_ITEMS])

        req.context.tenant = project_id

        request_list = collections.deque()
        for rq_item in request_items:
            request_list.append(rq_item)

        unprocessed_items = storage.execute_write_batch(
            req.context, request_list)

        return {
            'unprocessed_items': parser.Parser.format_request_items(
                unprocessed_items)}
    def process_request(self, req, body, project_id):
        utils.check_project_id(req.context, project_id)
        jsonschema.validate(body, self.schema)

        # parse request_items
        request_items = parser.Parser.parse_request_items(
            body[parser.Props.REQUEST_ITEMS])

        req.context.tenant = project_id

        request_list = collections.deque()
        for rq_item in request_items:
            request_list.append(rq_item)

        unprocessed_items = storage.execute_write_batch(
            req.context, request_list)

        return {
            'unprocessed_items': parser.Parser.format_request_items(
                unprocessed_items)}
    def process_request(self, req, body, project_id):
        with probe.Probe(__name__ + '.validation'):
            validation.validate_object(body, "body")

            request_items_json = body.pop(parser.Props.REQUEST_ITEMS, None)
            validation.validate_object(request_items_json,
                                       parser.Props.REQUEST_ITEMS)

            validation.validate_unexpected_props(body, "body")

            # parse request_items
            request_map = parser.Parser.parse_batch_write_request_items(
                request_items_json)

        unprocessed_items = storage.execute_write_batch(
            req.context, request_map)

        return {
            'unprocessed_items':
            parser.Parser.format_request_items(unprocessed_items)
        }