def start_bundle(self): transform = self._applied_ptransform.transform self._tagged_receivers = _TaggedReceivers(self._evaluation_context) for output_tag in self._applied_ptransform.outputs: output_pcollection = pvalue.PCollection(None, tag=output_tag) output_pcollection.producer = self._applied_ptransform self._tagged_receivers[output_tag] = ( self._evaluation_context.create_bundle(output_pcollection)) self._tagged_receivers[output_tag].tag = output_tag self._counter_factory = counters.CounterFactory() # TODO(aaltay): Consider storing the serialized form as an optimization. dofn = ( pickler.loads(pickler.dumps(transform.dofn)) if self._perform_dofn_pickle_test else transform.dofn) args = transform.args if hasattr(transform, 'args') else [] kwargs = transform.kwargs if hasattr(transform, 'kwargs') else {} self.user_state_context = None self.user_timer_map = {} if is_stateful_dofn(dofn): kv_type_hint = self._applied_ptransform.inputs[0].element_type if kv_type_hint and kv_type_hint != Any: coder = coders.registry.get_coder(kv_type_hint) self.key_coder = coder.key_coder() else: self.key_coder = coders.registry.get_coder(Any) self.user_state_context = DirectUserStateContext( self._step_context, dofn, self.key_coder) _, all_timer_specs = get_dofn_specs(dofn) for timer_spec in all_timer_specs: self.user_timer_map['user/%s' % timer_spec.name] = timer_spec self.runner = DoFnRunner( dofn, args, kwargs, self._side_inputs, self._applied_ptransform.inputs[0].windowing, tagged_receivers=self._tagged_receivers, step_name=self._applied_ptransform.full_label, state=DoFnState(self._counter_factory), user_state_context=self.user_state_context) self.runner.setup() self.runner.start()
def start_bundle(self): transform = self._applied_ptransform.transform self._tagged_receivers = _TaggedReceivers(self._evaluation_context) for output_tag in self._applied_ptransform.outputs: output_pcollection = pvalue.PCollection(None, tag=output_tag) output_pcollection.producer = self._applied_ptransform self._tagged_receivers[output_tag] = ( self._evaluation_context.create_bundle(output_pcollection)) self._tagged_receivers[output_tag].tag = output_tag self._counter_factory = counters.CounterFactory() # TODO(aaltay): Consider storing the serialized form as an optimization. dofn = (pickler.loads(pickler.dumps(transform.dofn)) if self._perform_dofn_pickle_test else transform.dofn) args = transform.args if hasattr(transform, 'args') else [] kwargs = transform.kwargs if hasattr(transform, 'kwargs') else {} self.user_state_context = None self.user_timer_map = {} if is_stateful_dofn(dofn): kv_type_hint = self._applied_ptransform.inputs[0].element_type if kv_type_hint and kv_type_hint != typehints.Any: coder = coders.registry.get_coder(kv_type_hint) self.key_coder = coder.key_coder() else: self.key_coder = coders.registry.get_coder(typehints.Any) self.user_state_context = DirectUserStateContext( self._step_context, dofn, self.key_coder) _, all_timer_specs = get_dofn_specs(dofn) for timer_spec in all_timer_specs: self.user_timer_map['user/%s' % timer_spec.name] = timer_spec self.runner = DoFnRunner( dofn, args, kwargs, self._side_inputs, self._applied_ptransform.inputs[0].windowing, tagged_receivers=self._tagged_receivers, step_name=self._applied_ptransform.full_label, state=DoFnState(self._counter_factory), user_state_context=self.user_state_context) self.runner.start()
class _ParDoEvaluator(_TransformEvaluator): """TransformEvaluator for ParDo transform.""" def __init__( self, evaluation_context, # type: EvaluationContext applied_ptransform, # type: AppliedPTransform input_committed_bundle, side_inputs, perform_dofn_pickle_test=True): super(_ParDoEvaluator, self).__init__(evaluation_context, applied_ptransform, input_committed_bundle, side_inputs) # This is a workaround for SDF implementation. SDF implementation adds state # to the SDF that is not picklable. self._perform_dofn_pickle_test = perform_dofn_pickle_test def start_bundle(self): transform = self._applied_ptransform.transform self._tagged_receivers = _TaggedReceivers(self._evaluation_context) for output_tag in self._applied_ptransform.outputs: output_pcollection = pvalue.PCollection(None, tag=output_tag) output_pcollection.producer = self._applied_ptransform self._tagged_receivers[output_tag] = ( self._evaluation_context.create_bundle(output_pcollection)) self._tagged_receivers[output_tag].tag = output_tag self._counter_factory = counters.CounterFactory() # TODO(aaltay): Consider storing the serialized form as an optimization. dofn = (pickler.loads(pickler.dumps(transform.dofn)) if self._perform_dofn_pickle_test else transform.dofn) args = transform.args if hasattr(transform, 'args') else [] kwargs = transform.kwargs if hasattr(transform, 'kwargs') else {} self.user_state_context = None self.user_timer_map = {} if is_stateful_dofn(dofn): kv_type_hint = self._applied_ptransform.inputs[0].element_type if kv_type_hint and kv_type_hint != Any: coder = coders.registry.get_coder(kv_type_hint) self.key_coder = coder.key_coder() else: self.key_coder = coders.registry.get_coder(Any) self.user_state_context = DirectUserStateContext( self._step_context, dofn, self.key_coder) _, all_timer_specs = get_dofn_specs(dofn) for timer_spec in all_timer_specs: self.user_timer_map['user/%s' % timer_spec.name] = timer_spec self.runner = DoFnRunner(dofn, args, kwargs, self._side_inputs, self._applied_ptransform.inputs[0].windowing, tagged_receivers=self._tagged_receivers, step_name=self._applied_ptransform.full_label, state=DoFnState(self._counter_factory), user_state_context=self.user_state_context) self.runner.start() def process_timer(self, timer_firing): if timer_firing.name not in self.user_timer_map: _LOGGER.warning('Unknown timer fired: %s', timer_firing) timer_spec = self.user_timer_map[timer_firing.name] self.runner.process_user_timer( timer_spec, self.key_coder.decode(timer_firing.encoded_key), timer_firing.window, timer_firing.timestamp) def process_element(self, element): self.runner.process(element) def finish_bundle(self): self.runner.finish() bundles = list(self._tagged_receivers.values()) result_counters = self._counter_factory.get_counters() if self.user_state_context: self.user_state_context.commit() return TransformResult(self, bundles, [], result_counters, None)
class _ParDoEvaluator(_TransformEvaluator): """TransformEvaluator for ParDo transform.""" def __init__(self, evaluation_context, applied_ptransform, input_committed_bundle, side_inputs, perform_dofn_pickle_test=True): super(_ParDoEvaluator, self).__init__( evaluation_context, applied_ptransform, input_committed_bundle, side_inputs) # This is a workaround for SDF implementation. SDF implementation adds state # to the SDF that is not picklable. self._perform_dofn_pickle_test = perform_dofn_pickle_test def start_bundle(self): transform = self._applied_ptransform.transform self._tagged_receivers = _TaggedReceivers(self._evaluation_context) for output_tag in self._applied_ptransform.outputs: output_pcollection = pvalue.PCollection(None, tag=output_tag) output_pcollection.producer = self._applied_ptransform self._tagged_receivers[output_tag] = ( self._evaluation_context.create_bundle(output_pcollection)) self._tagged_receivers[output_tag].tag = output_tag self._counter_factory = counters.CounterFactory() # TODO(aaltay): Consider storing the serialized form as an optimization. dofn = (pickler.loads(pickler.dumps(transform.dofn)) if self._perform_dofn_pickle_test else transform.dofn) args = transform.args if hasattr(transform, 'args') else [] kwargs = transform.kwargs if hasattr(transform, 'kwargs') else {} self.user_state_context = None self.user_timer_map = {} if is_stateful_dofn(dofn): kv_type_hint = self._applied_ptransform.inputs[0].element_type if kv_type_hint and kv_type_hint != typehints.Any: coder = coders.registry.get_coder(kv_type_hint) self.key_coder = coder.key_coder() else: self.key_coder = coders.registry.get_coder(typehints.Any) self.user_state_context = DirectUserStateContext( self._step_context, dofn, self.key_coder) _, all_timer_specs = get_dofn_specs(dofn) for timer_spec in all_timer_specs: self.user_timer_map['user/%s' % timer_spec.name] = timer_spec self.runner = DoFnRunner( dofn, args, kwargs, self._side_inputs, self._applied_ptransform.inputs[0].windowing, tagged_receivers=self._tagged_receivers, step_name=self._applied_ptransform.full_label, state=DoFnState(self._counter_factory), user_state_context=self.user_state_context) self.runner.start() def process_timer(self, timer_firing): if timer_firing.name not in self.user_timer_map: logging.warning('Unknown timer fired: %s', timer_firing) timer_spec = self.user_timer_map[timer_firing.name] self.runner.process_user_timer( timer_spec, self.key_coder.decode(timer_firing.encoded_key), timer_firing.window, timer_firing.timestamp) def process_element(self, element): self.runner.process(element) def finish_bundle(self): self.runner.finish() bundles = list(self._tagged_receivers.values()) result_counters = self._counter_factory.get_counters() if self.user_state_context: self.user_state_context.commit() return TransformResult( self, bundles, [], result_counters, None)