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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1 +1 @@ | ||
| from pm4py.objects.ocel.exporter.jsonocel.variants import classic | ||
| from pm4py.objects.ocel.exporter.jsonocel.variants import classic, ocel20 |
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117 changes: 117 additions & 0 deletions
117
pm4py/objects/ocel/exporter/jsonocel/variants/ocel20.py
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,117 @@ | ||
| import json | ||
| from enum import Enum | ||
| from typing import Optional, Dict, Any | ||
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| import pandas as pd | ||
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| from pm4py.objects.ocel import constants | ||
| from pm4py.objects.ocel.obj import OCEL | ||
| from pm4py.util import exec_utils, constants as pm4_constants | ||
| from pm4py.objects.ocel.util import ocel_consistency | ||
| from pm4py.objects.ocel.exporter.jsonocel.variants import classic | ||
| from pm4py.objects.ocel.util import attributes_per_type | ||
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| class Parameters(Enum): | ||
| EVENT_ID = constants.PARAM_EVENT_ID | ||
| OBJECT_ID = constants.PARAM_OBJECT_ID | ||
| OBJECT_TYPE = constants.PARAM_OBJECT_TYPE | ||
| EVENT_ACTIVITY = constants.PARAM_EVENT_ACTIVITY | ||
| EVENT_TIMESTAMP = constants.PARAM_EVENT_TIMESTAMP | ||
| ENCODING = "encoding" | ||
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| def apply(ocel: OCEL, target_path: str, parameters: Optional[Dict[Any, Any]] = None): | ||
| """ | ||
| Exports an object-centric event log (OCEL 2.0) in a JSONOCEL 2.0 file, using the classic JSON dump | ||
| Parameters | ||
| ------------------ | ||
| ocel | ||
| Object-centric event log | ||
| target_path | ||
| Destination path | ||
| parameters | ||
| Parameters of the algorithm, including: | ||
| - Parameters.EVENT_ID => the event ID column | ||
| - Parameters.OBJECT_ID => the object ID column | ||
| - Parameters.OBJECT_TYPE => the object type column | ||
| """ | ||
| if parameters is None: | ||
| parameters = {} | ||
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| event_id = exec_utils.get_param_value(Parameters.EVENT_ID, parameters, ocel.event_id_column) | ||
| object_id = exec_utils.get_param_value(Parameters.OBJECT_ID, parameters, ocel.object_id_column) | ||
| object_type = exec_utils.get_param_value(Parameters.OBJECT_TYPE, parameters, ocel.object_type_column) | ||
| event_activity = exec_utils.get_param_value(Parameters.EVENT_ACTIVITY, parameters, ocel.event_activity) | ||
| event_timestamp = exec_utils.get_param_value(Parameters.EVENT_TIMESTAMP, parameters, ocel.event_timestamp) | ||
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| encoding = exec_utils.get_param_value(Parameters.ENCODING, parameters, pm4_constants.DEFAULT_ENCODING) | ||
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| ocel = ocel_consistency.apply(ocel, parameters=parameters) | ||
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| base_object = classic.get_base_json_object(ocel, parameters=parameters) | ||
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| ets, ots = attributes_per_type.get(ocel, parameters=parameters) | ||
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| base_object[constants.OCEL_EVTYPES_KEY] = {} | ||
| for et in ets: | ||
| base_object[constants.OCEL_EVTYPES_KEY][et] = {} | ||
| et_atts = ets[et] | ||
| for k, v in et_atts.items(): | ||
| this_type = "string" | ||
| if "date" in v or "time" in v: | ||
| this_type = "date" | ||
| elif "float" in v or "double" in v: | ||
| this_type = "float" | ||
| base_object[constants.OCEL_EVTYPES_KEY][et][k] = this_type | ||
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| base_object[constants.OCEL_OBJTYPES_KEY] = {} | ||
| for ot in ots: | ||
| base_object[constants.OCEL_OBJTYPES_KEY][ot] = {} | ||
| ot_atts = ots[ot] | ||
| for k, v in ot_atts.items(): | ||
| this_type = "string" | ||
| if "date" in v or "time" in v: | ||
| this_type = "date" | ||
| elif "float" in v or "double" in v: | ||
| this_type = "float" | ||
| base_object[constants.OCEL_OBJTYPES_KEY][ot][k] = this_type | ||
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| base_object[constants.OCEL_OBJCHANGES_KEY] = [] | ||
| if len(ocel.object_changes) > 0: | ||
| object_changes = ocel.object_changes.to_dict("records") | ||
| for i in range(len(object_changes)): | ||
| object_changes[i][event_timestamp] = object_changes[i][event_timestamp].isoformat() | ||
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| base_object[constants.OCEL_OBJCHANGES_KEY] = object_changes | ||
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| e2o_list = ocel.relations[[event_id, object_id, constants.DEFAULT_QUALIFIER]].to_dict("records") | ||
| eids = set() | ||
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| for elem in e2o_list: | ||
| eid = elem[event_id] | ||
| oid = elem[object_id] | ||
| qualifier = elem[constants.DEFAULT_QUALIFIER] | ||
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| if eid not in eids: | ||
| base_object[constants.OCEL_EVENTS_KEY][eid][constants.OCEL_TYPED_OMAP_KEY] = [] | ||
| eids.add(eid) | ||
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| base_object[constants.OCEL_EVENTS_KEY][eid][constants.OCEL_TYPED_OMAP_KEY].append({object_id: oid, constants.DEFAULT_QUALIFIER: qualifier}) | ||
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| o2o_list = ocel.o2o.to_dict("records") | ||
| oids = set() | ||
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| for elem in o2o_list: | ||
| oid = elem[object_id] | ||
| oid2 = elem[object_id+"_2"] | ||
| qualifier = elem[constants.DEFAULT_QUALIFIER] | ||
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| if oid not in oids: | ||
| base_object[constants.OCEL_OBJECTS_KEY][oid][constants.OCEL_O2O_KEY] = [] | ||
| oids.add(oid) | ||
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| base_object[constants.OCEL_OBJECTS_KEY][oid][constants.OCEL_O2O_KEY].append({object_id: oid2, constants.DEFAULT_QUALIFIER: qualifier}) | ||
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| json.dump(base_object, open(target_path, "w", encoding=encoding), indent=2) |
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