def __init__(self, spec):
super(DataStreamStatelessFunctionOperation, self).__init__(spec)
self.runtime_context = create_runtime_context(
self.spec.serialized_fn.runtime_context, self.base_metric_group)
self.process_element_func, self.open_func, self.close_func = \
operation_utils.extract_data_stream_stateless_function(
self.spec.serialized_fn, self.runtime_context)
def __init__(self, spec, keyed_state_backend):
super(DataStreamKeyedStatefulOperation, self).__init__(spec)
self.runtime_context = create_runtime_context(
self.spec.serialized_fn.runtime_context, self.base_metric_group,
keyed_state_backend)
self.keyed_state_backend = keyed_state_backend
self.process_element_func, self.open_func, self.close_func = \
operation_utils.extract_keyed_stateful_function(
self.spec.serialized_fn,
keyed_state_backend,
self.runtime_context)
def __init__(self, spec):
super(ProcessFunctionOperation, self).__init__(spec)
self.runtime_context = create_runtime_context(
self.spec.serialized_fn.runtime_context, self.base_metric_group)
self.timer_service = ProcessFunctionOperation.InternalTimerService()
self.function_context = ProcessFunctionOperation.InternalProcessFunctionContext(
self.timer_service)
self.process_element_func, self.open_func, self.close_func = \
operation_utils.extract_process_function(
self.spec.serialized_fn,
self.function_context,
self.runtime_context)