'''
This file is part of PM4Py (More Info: https://pm4py.fit.fraunhofer.de).
PM4Py is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
PM4Py is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with PM4Py. If not, see <https://www.gnu.org/licenses/>.
'''
from pm4py.objects.conversion.log import converter as log_converter
from pm4py.objects.petri_net.utils import check_soundness
import time
from pm4py.util import exec_utils
from enum import Enum
from pm4py.util.constants import PARAMETER_CONSTANT_ACTIVITY_KEY, PARAMETER_CONSTANT_CASEID_KEY
from pm4py.algo.conformance.antialignments import variants
[docs]class Variants(Enum):
VERSION_DISCOUNTED_A_STAR = variants.discounted_a_star
[docs]class Parameters(Enum):
MARKING_LIMIT = "marking_limit"
EXPONENT = "exponent"
EPSILON = "epsilon"
CASE_ID_KEY = PARAMETER_CONSTANT_CASEID_KEY
ACTIVITY_KEY = PARAMETER_CONSTANT_ACTIVITY_KEY
DEFAULT_VARIANT = Variants.VERSION_DISCOUNTED_A_STAR
VERSION_DISCOUNTED_A_STAR = Variants.VERSION_DISCOUNTED_A_STAR
VERSIONS = {Variants.VERSION_DISCOUNTED_A_STAR}
[docs]def apply(log, petri_net, initial_marking, final_marking, parameters=None, variant=DEFAULT_VARIANT):
if parameters is None:
parameters = {}
return apply_log(log_converter.apply(log, parameters, log_converter.TO_EVENT_LOG), petri_net, initial_marking,
final_marking, parameters=parameters, variant=variant)
[docs]def apply_log(log, petri_net, initial_marking, final_marking, parameters=None, variant=DEFAULT_VARIANT):
"""
apply antialignments to a log
Parameters
-----------
log
object of the form :class:`pm4py.log.log.EventLog` event log
petri_net
:class:`pm4py.objects.petri.petrinet.PetriNet` the model to use for the alignment
initial_marking
:class:`pm4py.objects.petri.petrinet.Marking` initial marking of the net
final_marking
:class:`pm4py.objects.petri.petrinet.Marking` final marking of the net
variant
selected variant of the algorithm
parameters
:class:`dict` parameters of the algorithm,
Returns
-----------
"""
if parameters is None:
parameters = dict()
if not check_soundness.check_easy_soundness_net_in_fin_marking(petri_net, initial_marking, final_marking):
raise Exception("Trying to apply anti-alignments on a Petri net that is not an sound net.")
start_time = time.time()
antialignments = exec_utils.get_variant(variant).apply(log, petri_net, initial_marking, final_marking, parameters=None)
total_time = start_time - time.time()
return antialignments