text: #
  # Copyright (c) 2020, Neptune Labs Sp. z o.o.
  #
  # 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.
  #
  import time
  from typing import List, TYPE_CHECKING, Optional
  
  from neptune.new.internal.background_job import BackgroundJob
  
  if TYPE_CHECKING:
      from neptune.new.run import Run
  
  
  class BackgroundJobList(BackgroundJob):
  
      def __init__(self, jobs: List[BackgroundJob]):
          self._jobs = jobs
  
      def start(self, run: 'Run'):
          for job in self._jobs:
              job.start(run)
  
      def stop(self):
          for job in self._jobs:
              job.stop()
  
      def join(self, seconds: Optional[float] = None):
          ts = time.time()
          for job in self._jobs:
              sec_left = None if seconds is None else seconds - (time.time() - ts)
              job.join(sec_left)
  