Source code for pm4py.algo.discovery.powl.inductive.base_case.empty_log

from abc import ABC
from typing import Generic, Optional, Dict, Any

from pm4py.algo.discovery.powl.inductive.base_case.abc import BaseCase, T
from pm4py.algo.discovery.inductive.dtypes.im_ds import IMDataStructureUVCL
from pm4py.objects.powl.obj import SilentTransition




[docs]
class EmptyLogBaseCase(BaseCase[T], ABC, Generic[T]):



[docs]
    @classmethod
    def leaf(
        cls, obj=T, parameters: Optional[Dict[str, Any]] = None
    ) -> SilentTransition:
        return SilentTransition()








[docs]
class EmptyLogBaseCaseUVCL(EmptyLogBaseCase[IMDataStructureUVCL]):



[docs]
    @classmethod
    def holds(
        cls,
        obj=IMDataStructureUVCL,
        parameters: Optional[Dict[str, Any]] = None,
    ) -> bool:
        return len(obj.data_structure) == 0