@classmethod
  def from_json(cls, json):
    return cls(db_iters.RangeIteratorFactory.from_json(json["iter"]),
               json["instance_id"])
Called when data is available for reading.
dataset/ETHPy150Open GoogleCloudPlatform/appengine-mapreduce/python/test/mapreduce/handlers_test.py/InputReader.from_json--crossover with--dataset/ETHPy150Open nlloyd/SubliminalCollaborator/libs/twisted/internet/abstract.py/FileDescriptor.doRead