Source code for pm4py.algo.transformation.ocel.features.objects.object_lifecycle_duration

'''
    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.ocel.obj import OCEL
from typing import Optional, Dict, Any


[docs]def apply(ocel: OCEL, parameters: Optional[Dict[Any, Any]] = None): """ Adds for each object as features: - the duration of its lifecycle - the start timestamp - the end timestamp Parameters ----------------- ocel OCEL parameters Parameters of the algorithm Returns ----------------- data Values of the added features feature_names Names of the added features """ if parameters is None: parameters = {} ordered_objects = list(ocel.objects[ocel.object_id_column]) first_object_timestamp = ocel.relations.groupby(ocel.object_id_column).first()[ocel.event_timestamp].to_dict() last_object_timestamp = ocel.relations.groupby(ocel.object_id_column).last()[ocel.event_timestamp].to_dict() data = [] feature_names = ["@@object_lifecycle_duration", "@@object_lifecycle_start_timestamp", "@@object_lifecycle_end_timestamp"] for obj in ordered_objects: se = first_object_timestamp[obj].timestamp() ee = last_object_timestamp[obj].timestamp() data.append([ee - se, se, ee]) return data, feature_names