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fix calculating critical path to consider:

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- parent tasks with sequence assignments #3772
- tasks that are constrained by a schedule start
This commit is contained in:
Sigma Dimensions (Yass)
2023-09-20 01:10:34 +01:00
parent a3802c25c0
commit ef11ae6540
1 changed files with 16 additions and 4 deletions
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src/ifcopenshell-python/ifcopenshell/api/sequence/recalculate_schedule.py
+16 -4
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@@ -148,7 +148,7 @@ class Usecase:
[
(
rel.RelatingProcess.id(),
rel.RelatedProcess.id(),
task.id(),
{
"lag_time": 0
if not rel.TimeLag
@@ -158,11 +158,12 @@ class Usecase:
"type": self.sequence_type_map[rel.SequenceType],
},
)
for rel in task.IsSuccessorFrom or []
for rel in ifcopenshell.util.sequence.get_sequence_assignment(task, sequence="predecessor")
]
)
predecessor_types = [rel.SequenceType for rel in task.IsSuccessorFrom]
successor_types = [rel.SequenceType for rel in task.IsPredecessorTo]
predecessor_types = [rel.SequenceType for rel in ifcopenshell.util.sequence.get_sequence_assignment(task, "predecessor")]
successor_types = [rel.SequenceType for rel in ifcopenshell.util.sequence.get_sequence_assignment(task, "successor")]
if not predecessor_types:
self.edges.append(("start", task.id(), {"lag_time": 0, "type": "FS"}))
@@ -170,6 +171,7 @@ class Usecase:
self.start_dates.append(
ifcopenshell.util.date.ifc2datetime(task.TaskTime.ScheduleStart)
)
self.g.nodes[task.id()]["early_start"] = ifcopenshell.util.date.ifc2datetime(task.TaskTime.ScheduleStart) # we assume this task is constrained to start on this date
if not successor_types:
self.edges.append((task.id(), "finish", {"lag_time": 0, "type": "FF"}))
@@ -223,6 +225,16 @@ class Usecase:
else:
finishes = []
starts = []
if data.get("early_start") is not None:
data["early_finish"] = ifcopenshell.util.sequence.get_start_or_finish_date(
data["early_start"],
datetime.timedelta(days=data["duration"]),
data["duration_type"],
data["calendar"],
date_type="FINISH",
)
return True # we're done! We assume this task is constrained and finish processing it
for predecessor in predecessors:
predecessor_data = self.g.nodes[predecessor]
edge = self.g[predecessor][node]