Source code for pm4py.algo.discovery.inductive.fall_through.tau_loop

from collections import Counter
from typing import Optional, Dict, Any

from pm4py.algo.discovery.inductive.fall_through.strict_tau_loop import (
    StrictTauLoopUVCL,
)
from pm4py.util.compression import util as comut
from pm4py.util.compression.dtypes import UVCL




[docs]
class TauLoopUVCL(StrictTauLoopUVCL):

    @classmethod
    def _get_projected_log(
        cls, log: UVCL, parameters: Optional[Dict[str, Any]] = None
    ) -> UVCL:
        start_activities = comut.get_start_activities(log)
        proj = Counter()
        for t in log:
            x = 0
            for i in range(1, len(t)):
                if t[i] in start_activities:
                    proj.update({t[x:i]: log[t]})
                    x = i
            proj.update({t[x: len(t)]: log[t]})
        return proj