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'''
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 typing import List, TypeVar, Tuple, Optional, Dict, Any
from pm4py.algo.discovery.inductive.dtypes.im_ds import IMDataStructure, IMDataStructureUVCL
from pm4py.algo.discovery.inductive.fall_through.abc import FallThrough
from pm4py.algo.discovery.inductive.fall_through.activity_concurrent import ActivityConcurrentUVCL
from pm4py.algo.discovery.inductive.fall_through.activity_once_per_trace import ActivityOncePerTraceUVCL
from pm4py.algo.discovery.inductive.fall_through.empty_traces import EmptyTracesUVCL, EmptyTracesDFG
from pm4py.algo.discovery.inductive.fall_through.flower import FlowerModelUVCL, FlowerModelDFG
from pm4py.algo.discovery.inductive.fall_through.strict_tau_loop import StrictTauLoopUVCL
from pm4py.algo.discovery.inductive.fall_through.tau_loop import TauLoopUVCL
from pm4py.algo.discovery.inductive.variants.instances import IMInstance
from pm4py.objects.process_tree.obj import ProcessTree
from pm4py.util import exec_utils
from enum import Enum
T = TypeVar('T', bound=IMDataStructure)
S = TypeVar('S', bound=FallThrough)
class Parameters(Enum):
DISABLE_FALLTHROUGHS = "disable_fallthroughs"
class FallThroughFactory:
@classmethod
def get_fall_throughs(cls, obj: T, inst: IMInstance, parameters: Optional[Dict[str, Any]] = None) -> List[S]:
if parameters is None:
parameters = {}
disable_fallthroughs = exec_utils.get_param_value(Parameters.DISABLE_FALLTHROUGHS, parameters, False)
if inst is IMInstance.IM or inst is IMInstance.IMf:
if type(obj) is IMDataStructureUVCL:
if disable_fallthroughs:
return [EmptyTracesUVCL, FlowerModelUVCL]
else:
return [EmptyTracesUVCL, ActivityOncePerTraceUVCL, ActivityConcurrentUVCL, StrictTauLoopUVCL,
TauLoopUVCL, FlowerModelUVCL]
if inst is IMInstance.IMd:
if disable_fallthroughs:
return [EmptyTracesDFG, FlowerModelDFG]
else:
return [EmptyTracesDFG, FlowerModelDFG]
return list()
@classmethod
def fall_through(cls, obj: T, inst: IMInstance, pool, manager, parameters: Optional[Dict[str, Any]] = None) -> Tuple[ProcessTree, List[T]]:
for f in FallThroughFactory.get_fall_throughs(obj, inst, parameters):
r = f.apply(obj, pool, manager, parameters)
if r is not None:
return r
return None
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