@_WithLock
  def UpdateQueue_Rpc(self, request, response):
    assert request.queue_name() == self.queue_name



    self.bucket_refill_per_second = request.bucket_refill_per_second()
    self.bucket_capacity = request.bucket_capacity()
    if request.has_user_specified_rate():
      self.user_specified_rate = request.user_specified_rate()
    else:
      self.user_specified_rate = None
    if request.has_retry_parameters():
      self.retry_parameters = request.retry_parameters()
    else:
      self.retry_parameters = None
    if request.has_max_concurrent_requests():
      self.max_concurrent_requests = request.max_concurrent_requests()
    else:
      self.max_concurrent_requests = None
    self.queue_mode = request.mode()
    if request.has_acl():
      self.acl = request.acl()
    else:
      self.acl = None
Check if the database contains the specified username.
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/api/taskqueue/taskqueue_stub.py/_Queue.UpdateQueue_Rpc--crossover with--dataset/ETHPy150Open kuri65536/python-for-android/python3-alpha/python-libs/gdata/tlslite/BaseDB.py/BaseDB.__contains__