# SPDX-License-Identifier: Apache-2.0
#
# The OpenSearch Contributors require contributions made to
# this file be licensed under the Apache-2.0 license or a
# compatible open source license.
#
# Modifications Copyright OpenSearch Contributors. See
# GitHub history for details.
from typing import Optional
from opensearchpy.metrics.metrics import Metrics
class MetricsNone(Metrics):
"""
Default metrics class. It sets the start time, end time, and service time to None.
"""
@property
def start_time(self) -> Optional[float]:
return self._start_time
@property
def end_time(self) -> Optional[float]:
return self._end_time
@property
def service_time(self) -> Optional[float]:
return self._service_time
def __init__(self) -> None:
self._start_time: Optional[float] = None
self._end_time: Optional[float] = None
self._service_time: Optional[float] = None
# request_start and request_end are placeholders,
# not implementing actual metrics collection in this subclass.
def request_start(self) -> None:
self._start_time = None
self._end_time = None
self._service_time = None
def request_end(self) -> None:
self._end_time = None
self._service_time = None