From 28cacbbd3867234d4c11ece2e515e181f7e4515f Mon Sep 17 00:00:00 2001
From: Jorrit Schaap <schaap@astron.nl>
Date: Fri, 21 Aug 2020 12:35:50 +0200
Subject: [PATCH] TMSS-190: extended documentation. fixed typo.
---
SAS/TMSS/src/tmss/tmssapp/models/specification.py | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/SAS/TMSS/src/tmss/tmssapp/models/specification.py b/SAS/TMSS/src/tmss/tmssapp/models/specification.py
index 7d98fdc123c..6b21c1512c7 100644
--- a/SAS/TMSS/src/tmss/tmssapp/models/specification.py
+++ b/SAS/TMSS/src/tmss/tmssapp/models/specification.py
@@ -662,7 +662,9 @@ class TaskBlueprint(NamedCommon):
@property
def relative_start_time(self) -> datetime.timedelta:
- '''return the earliest relative start time of all subtasks of this task
+ '''The relative start time is relative to the start time of the 'start' of the parent scheduling unit.
+ It's based on the scheduling_relation's from the scheduling_unit's specification,
+ and hence it determines the order in which the tasks within the unit should be executed.
'''
scheduling_relations = list(self.first_scheduling_relation.all()) + list(self.second_scheduling_relation.all())
for scheduling_relation in scheduling_relations:
@@ -679,11 +681,12 @@ class TaskBlueprint(NamedCommon):
# todo: max of several relations
if previous_related_task_blueprint.relative_stop_time:
return previous_related_task_blueprint.relative_stop_time + datetime.timedelta(seconds=time_offset)
- return datetime.timedelta(seconds=666660)
+ return datetime.timedelta(seconds=0)
@property
def relative_stop_time(self) -> datetime.timedelta:
- '''return the latest relative stop time of all subtasks of this task
+ '''The relative_stop_time is the relative_start_time+duration.
+ See relative_start_time for an explanation of it's intended usage.
'''
# todo: when it was added, check if subtask.specifications_template.type.value == TaskType.Choices.OBSERVATION.value:
try:
--
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