def __init__(self, pattern_structure: PatternStructure, pattern_matching_condition: Condition,
time_window: timedelta, consumption_policy: ConsumptionPolicy = None, pattern_id: int = None):
self.id = pattern_id
self.full_structure = pattern_structure
self.positive_structure = pattern_structure.duplicate()
self.negative_structure = self.__extract_negative_structure()
self.condition = pattern_matching_condition
if isinstance(self.condition, TrueCondition):
self.condition = AndCondition()
elif not isinstance(self.condition, CompositeCondition):
self.condition = AndCondition(self.condition)
self.window = time_window
self.statistics_type = StatisticsTypes.NO_STATISTICS
self.statistics = None
self.consumption_policy = consumption_policy
if consumption_policy is not None:
if consumption_policy.single_event_strategy is not None and consumption_policy.single_types is None:
# must be initialized to contain all event types in the pattern
consumption_policy.single_types = self.get_all_event_types()
if consumption_policy.contiguous_names is not None:
self.__init_strict_conditions(pattern_structure)
def __init__(self,
pattern_structure: PatternStructure,
pattern_matching_condition: Condition,
time_window: timedelta,
consumption_policy: ConsumptionPolicy = None,
pattern_id: int = None,
confidence: float = None,
statistics: Dict = None):
if confidence is not None and (confidence < 0.0 or confidence > 1.0):
raise Exception("Invalid value for pattern confidence:%s" %
(confidence, ))
self.id = pattern_id
self.full_structure = pattern_structure
self.positive_structure = pattern_structure.duplicate()
self.negative_structure = self.__extract_negative_structure()
self.condition = pattern_matching_condition
if isinstance(self.condition, TrueCondition):
self.condition = AndCondition()
elif not isinstance(self.condition, CompositeCondition):
self.condition = AndCondition(self.condition)
self.window = time_window
self.statistics = statistics
self.consumption_policy = consumption_policy
if consumption_policy is not None:
if consumption_policy.single_event_strategy is not None and consumption_policy.single_types is None:
# must be initialized to contain all event types in the pattern
consumption_policy.single_types = self.get_all_event_types()
if consumption_policy.contiguous_names is not None:
self.__init_strict_conditions(pattern_structure)
self.confidence = confidence