Beispiel #1
0
def build_sync_net(trace, petri_net, initial_marking, final_marking, parameters=None):
    """
    Build the sync product net between the Petri net and the trace prefix

    Parameters
    ---------------
    trace
        Trace prefix
    petri_net
        Petri net
    initial_marking
        Initial marking
    final_marking
        Final marking
    parameters
        Possible parameters of the algorithm
    """
    if parameters is None:
        parameters = {}

    activity_key = exec_utils.get_param_value(Parameters.ACTIVITY_KEY, parameters, xes_constants.DEFAULT_NAME_KEY)

    trace_net, trace_im, trace_fm = construct_trace_net(trace, activity_key=activity_key)

    sync_prod, sync_initial_marking, sync_final_marking = construct(trace_net, trace_im,
                                                                                              trace_fm, petri_net,
                                                                                              initial_marking,
                                                                                              final_marking,
                                                                                              utils.SKIP)

    return sync_prod, sync_initial_marking, sync_final_marking
Beispiel #2
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def construct_synchronous_product_net(trace: Trace, petri_net: PetriNet, initial_marking: Marking,
                                      final_marking: Marking) -> Tuple[PetriNet, Marking, Marking]:
    """
    constructs the synchronous product net between a trace and a Petri net process model.

    Parameters
    ----------------
    trace
        Trace of an event log
    petri_net
        Petri net
    initial_marking
        Initial marking
    final_marking
        Final marking

    Returns
    ----------------
    sync_net
        Synchronous product net
    sync_im
        Initial marking of the sync net
    sync_fm
        Final marking of the sync net
    """
    from pm4py.objects.petri.utils import construct_trace_net
    from pm4py.objects.petri.synchronous_product import construct
    from pm4py.objects.petri.align_utils import SKIP
    trace_net, trace_im, trace_fm = construct_trace_net(trace)
    sync_net, sync_im, sync_fm = construct(trace_net, trace_im, trace_fm, petri_net, initial_marking, final_marking,
                                           SKIP)
    return sync_net, sync_im, sync_fm