add AuxiliaryExperimentCheck transition criterion

ax/modelbridge/transition_criterion.py

@@ -9,9 +9,11 @@
 from logging import Logger
 from typing import Optional
 
+from ax.core.auxiliary import AuxiliaryExperimentPurpose
+
 from ax.core.base_trial import TrialStatus
 from ax.core.experiment import Experiment
-from ax.exceptions.core import DataRequiredError
+from ax.exceptions.core import DataRequiredError, UserInputError
 from ax.exceptions.generation_strategy import MaxParallelismReachedException
 
 from ax.utils.common.base import SortableBase
@@ -615,6 +617,98 @@ def block_continued_generation_error(
  pass
 
 
+class AuxiliaryExperimentCheck(TransitionCriterion):
+ """A class to transition from one GenerationNode to another by checking if certain
+ type of Auxiliary Expeirment exists.
+
+ Args:
+ transition_to: The name of the GenerationNode the GenerationStrategy should
+ transition to next.
+ auxiliary_experiment_purpose_to_include: auxiliary experiment purpose we
+ expect to have. Condition is met when both inclusion exclusion check pass.
+ auxiliary_experiment_purpose_to_exclude: auxiliary experiment purpose we
+ expect to not have. Condition is met when both inclusion exclusion check
+ pass.
+ block_transition_if_unmet: A flag to prevent the node from completing and
+ being able to transition to another node. Ex: This criterion defaults to
+ setting this to True to ensure we validate a GeneratorRun is generated by
+ the current GenerationNode.
+ complete_trial_generation: A flag to indicate that all generation for a given
+ trial is completed. This is necessary because in ``BatchTrial`` there
+ are multiple arms per trial, and we enable generation of arms within a
+ batch from different ``GenerationNodes``. This flag should be set to
+ True for the last node in a set of ``GenerationNodes`` expected to
+ create a given ``BatchTrial``.
+ """
+
+ def __init__(
+ self,
+ transition_to: str,
+ auxiliary_experiment_purpose_to_include: Optional[
+ AuxiliaryExperimentPurpose
+ ] = None,
+ auxiliary_experiment_purpose_to_exclude: Optional[
+ AuxiliaryExperimentPurpose
+ ] = None,
+ block_transition_if_unmet: Optional[bool] = True,
+ continue_trial_generation: Optional[bool] = True,
+ ) -> None:
+ super().__init__(
+ transition_to=transition_to,
+ block_transition_if_unmet=block_transition_if_unmet,
+ continue_trial_generation=continue_trial_generation,
+ )
+
+ if (
+ auxiliary_experiment_purpose_to_include is None
+ and auxiliary_experiment_purpose_to_exclude is None
+ ):
+ raise UserInputError(
+ f"{self.__class__} cannot have both "
+ "`auxiliary_experiment_purpose_to_include` and "
+ "`auxiliary_experiment_purpose_to_exclude` be `None`."
+ )
+ self.auxiliary_experiment_purpose_to_include = (
+ auxiliary_experiment_purpose_to_include
+ )
+ self.auxiliary_experiment_purpose_to_exclude = (
+ auxiliary_experiment_purpose_to_exclude
+ )
+
+ def is_met(
+ self,
+ experiment: Experiment,
+ trials_from_node: Optional[set[int]] = None,
+ node_that_generated_last_gr: Optional[str] = None,
+ curr_node_name: Optional[str] = None,
+ ) -> bool:
+ """Check if the experiment has auxiliary experiments for certain purpose."""
+ check_pass = True
+
+ aux_exp_purposes = set(experiment.auxiliary_experiments_by_purpose.keys())
+ if self.auxiliary_experiment_purpose_to_include is not None:
+ check_pass = check_pass and (
+ self.auxiliary_experiment_purpose_to_include in aux_exp_purposes
+ )
+
+ if self.auxiliary_experiment_purpose_to_exclude is not None:
+ check_pass = check_pass and (
+ self.auxiliary_experiment_purpose_to_exclude not in aux_exp_purposes
+ )
+
+ return check_pass
+
+ def block_continued_generation_error(
+ self,
+ node_name: Optional[str],
+ model_name: Optional[str],
+ experiment: Optional[Experiment],
+ trials_from_node: Optional[set[int]] = None,
+ ) -> None:
+ """Error to be raised if the `block_gen_if_met` flag is set to True."""
+ pass
+
+
 # TODO: Deprecate once legacy usecase is updated
 class MinimumTrialsInStatus(TransitionCriterion):
  """

ax/storage/json_store/decoder.py

@@ -38,7 +38,11 @@
 )
 from ax.modelbridge.model_spec import ModelSpec
 from ax.modelbridge.registry import _decode_callables_from_references
-from ax.modelbridge.transition_criterion import TransitionCriterion, TrialBasedCriterion
+from ax.modelbridge.transition_criterion import (
+ AuxiliaryExperimentCheck,
+ TransitionCriterion,
+ TrialBasedCriterion,
+)
 from ax.models.torch.botorch_modular.model import SurrogateSpec
 from ax.models.torch.botorch_modular.surrogate import Surrogate
 from ax.storage.json_store.decoders import (
@@ -164,7 +168,6 @@ def object_from_json(
  # pyre-fixme[9, 24]: Generic type `type` expects 1 type parameter, use
  # `typing.Type[<base type>]` to avoid runtime subscripting errors.
  _class: type = decoder_registry[_type]
-
  if isclass(_class) and issubclass(_class, Enum):
  # to access enum members by name, use item access
  return _class[object_json["name"]]
@@ -251,10 +254,14 @@ def object_from_json(
  object_json["outcome_transform_options"] = (
  outcome_transform_options_json
  )
- elif isclass(_class) and issubclass(_class, TrialBasedCriterion):
- # TrialBasedCriterion contain a list of `TrialStatus` for args.
- # This list needs to be unpacked by hand to properly retain the types.
- return trial_transition_criteria_from_json(
+ elif isclass(_class) and (
+ issubclass(_class, TrialBasedCriterion)
+ or issubclass(_class, AuxiliaryExperimentCheck)
+ ):
+ # TrialBasedCriterion contains a list of `TrialStatus` for args.
+ # AuxiliaryExperimentCheck contains AuxiliaryExperimentPurpose objects
+ # They need to be unpacked by hand to properly retain the types.
+ return unpack_transition_criteria_from_json(
  class_=_class,
  transition_criteria_json=object_json,
  decoder_registry=decoder_registry,
@@ -349,7 +356,7 @@ def generator_run_from_json(
  return generator_run
 
 
-def trial_transition_criteria_from_json(
+def unpack_transition_criteria_from_json(
  # pyre-fixme[24]: Generic type `type` expects 1 type parameter, use `typing.Type` to
  # avoid runtime subscripting errors.
  class_: type,

ax/storage/json_store/registry.py

@@ -88,6 +88,7 @@
 from ax.modelbridge.transforms.base import Transform
 from ax.modelbridge.transition_criterion import (
  AutoTransitionAfterGen,
+ AuxiliaryExperimentCheck,
  MaxGenerationParallelism,
  MaxTrials,
  MinimumPreferenceOccurances,
@@ -210,6 +211,7 @@
  MinTrials: transition_criterion_to_dict,
  MinimumTrialsInStatus: transition_criterion_to_dict,
  MinimumPreferenceOccurances: transition_criterion_to_dict,
+ AuxiliaryExperimentCheck: transition_criterion_to_dict,
  ModelSpec: model_spec_to_dict,
  MultiObjective: multi_objective_to_dict,
  MultiObjectiveOptimizationConfig: multi_objective_optimization_config_to_dict,
@@ -326,6 +328,7 @@
  "MinTrials": MinTrials,
  "MinimumTrialsInStatus": MinimumTrialsInStatus,
  "MinimumPreferenceOccurances": MinimumPreferenceOccurances,
+ "AuxiliaryExperimentCheck": AuxiliaryExperimentCheck,
  "Models": Models,
  "ModelRegistryBase": ModelRegistryBase,
  "ModelSpec": ModelSpec,