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The condition can be signalled by an event. For example, event t2:b
might indicate that task t2 did not manage to produce expected result, so
we do not need to run task t4.
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Text
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# Definition of the suite test.
suite test
edit ECF_INCLUDE "$HOME/course" # replace '$HOME' with the path to your home directory
edit ECF_HOME "$HOME/course"
family f1
edit SLEEP 20
task t1
task t2
trigger t1 eq complete
event a
event b
task t3
trigger t2:a
task t4
trigger t2 eq complete
complete t2:b
endfamily
endsuite |
Python
#!/usr/bin/env python2.7
import os
import ecflow
def create_family_f1():
f1 = ecflow.Family("f1")
f1.add_variable("SLEEP", 20)
f1.add_task("t1")
t2 = f1.add_task("t2")
t2.add_trigger("t1 eq complete")
t2.add_event("a")
t2.add_event("b")
f1.add_task("t3").add_trigger("t2:a")
t4 = f1.add_task("t4")
t4.add_trigger("t2 eq complete")
t4.add_complete("t2:b")
return f1
print "Creating suite definition"
defs = ecflow.Defs()
suite = defs.add_suite("test")
suite.add_variable("ECF_INCLUDE", os.getenv("HOME") + "/course")
suite.add_variable("ECF_HOME", os.getenv("HOME") + "/course")
suite.add_family( create_family_f1() )
print defs
print "Checking job creation: .ecf -> .job0"
print defs.check_job_creation()
print "Checking trigger expressions"
print defs.check()
print "Saving definition to file 'test.def'"
defs.save_as_defs("test.def")
What to do
- Update test.def or test.py to add a complete expression to task t4
- Replace the suite
- Observe the tasks in ecflowview
- See the triggers by selecting t4 and clicking on the
icon - See the trigger relation by clicking on the arrow
- See the triggers in the tree, using the Show menu
- Note the icon indicating that the task has not run
- You can modify task t2 to check that task t4 will run when the event is not set
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