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#!/usr/bin/env python3

# Copyright (C) 2015-2016 Damon Lynch <damonlynch@gmail.com>

# This file is part of Rapid Photo Downloader.
#
# Rapid Photo Downloader is free software: you can redistribute it and/or
# modify it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Rapid Photo Downloader is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with Rapid Photo Downloader.  If not,
# see <http://www.gnu.org/licenses/>.

"""Starts load balancer used for thumbnail extraction and caching"""

__author__ = 'Damon Lynch'
__copyright__ = "Copyright 2015-2016, Damon Lynch"

from raphodo.interprocess import LoadBalancerWorkerManager, LoadBalancer


class ThumbnailLoadBalancerWorkerManager(LoadBalancerWorkerManager):
    """
    Manages thumbnail extractors
    """
    def __init__(self, no_workers: int,
                 backend_port: int,
                 sink_port: int,
                 logging_port: int) -> None:
        super().__init__(no_workers, backend_port, sink_port, logging_port)
        self._process_name = 'Thumbnail Load Balancer Manager'
        self._process_to_run = 'thumbnailextractor.py'


class ThumbnailLoadBalancer(LoadBalancer):
    """
    Managers the thumbnail load balancer
    """
    def __init__(self) -> None:
        super().__init__('Thumbnail', ThumbnailLoadBalancerWorkerManager)

if __name__ == "__main__":
    loadbalancer = ThumbnailLoadBalancer()