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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, Optional, Tuple, TypeVar, Dict, Any
from pm4py.algo.discovery.inductive.cuts.abc import Cut
from pm4py.algo.discovery.inductive.cuts.concurrency import ConcurrencyCutUVCL, ConcurrencyCutDFG
from pm4py.algo.discovery.inductive.cuts.loop import LoopCutUVCL, LoopCutDFG
from pm4py.algo.discovery.inductive.cuts.sequence import StrictSequenceCutUVCL, StrictSequenceCutDFG, SequenceCutUVCL, SequenceCutDFG
from pm4py.algo.discovery.inductive.cuts.xor import ExclusiveChoiceCutUVCL, ExclusiveChoiceCutDFG
from pm4py.algo.discovery.inductive.dtypes.im_ds import IMDataStructure, IMDataStructureUVCL, IMDataStructureDFG
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=Cut)
class Parameters(Enum):
DISABLE_STRICT_SEQUENCE_CUT = "disable_strict_sequence_cut"
class CutFactory:
@classmethod
def get_cuts(cls, obj: T, inst: IMInstance, parameters: Optional[Dict[str, Any]] = None) -> List[S]:
if parameters is None:
parameters = {}
disable_strict_sequence_cut = exec_utils.get_param_value(Parameters.DISABLE_STRICT_SEQUENCE_CUT, parameters, False)
if inst is IMInstance.IM or inst is IMInstance.IMf:
if type(obj) is IMDataStructureUVCL:
sequence_cut = StrictSequenceCutUVCL
if disable_strict_sequence_cut:
sequence_cut = SequenceCutUVCL
return [ExclusiveChoiceCutUVCL, sequence_cut, ConcurrencyCutUVCL, LoopCutUVCL]
if inst is IMInstance.IMd:
if type(obj) is IMDataStructureDFG:
sequence_cut = StrictSequenceCutDFG
if disable_strict_sequence_cut:
sequence_cut = SequenceCutDFG
return [ExclusiveChoiceCutDFG, sequence_cut, ConcurrencyCutDFG, LoopCutDFG]
return list()
@classmethod
def find_cut(cls, obj: IMDataStructure, inst: IMInstance, parameters: Optional[Dict[str, Any]] = None) -> Optional[Tuple[ProcessTree, List[T]]]:
for c in CutFactory.get_cuts(obj, inst, parameters):
r = c.apply(obj, parameters)
if r is not None:
return r
return None
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