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Agent which runs every 1 minute... sort of.
|Andrei Kouvchinnikov||Post date: 2007-04-30 19:35|
An agent which I created last week. It simulates an agent scheduled with 1 minute interval by executing the function and sleeping the amount of seconds until the minute elapses and then triggering the function again. It does it 5 times and then exits. At that time, next instance of the same scheduled agent is about to start, which makes it possible to continiously invoke e.g. a monitoring function every 1 minute.
For more details and to see my mad MSPaint skillz read my blog post: http://dominounlimited.blogspot.com/2007/04/run-scheduled-agent-every-60-seconds.html
'Created by Andrei Kouvchinnikov
Print "******************* Agent started *******************"
Dim session As New NotesSession
Dim db As NotesDatabase
Dim expectedruntime As Integer 'time which take to run the function. required only for deciding about ending the loop.
Dim runinterval As Integer 'interval (sec) between runs
Dim runmaxtimes As Integer ' max number of times the function will run
Dim runcounter As Integer 'counter of number of times the function run
Dim runstart As Long, runend As Long, rundiff As Long
Dim notimeleft ' loop must be closed now, no time left to run another round
Dim agentstart As Long 'initial time when agent started. required only for deciding about ending the loop.
Dim agentschedule As Integer 'nr of minutes this agent is scheduled to run. required only for deciding about ending the loop.
Dim dynadjust 'instead of hardcoded runtime value, use last run period for calculation of next period
Dim uselongestperiod 'instead of the last run period, use the longest period the function took to run
expectedruntime=10 ' function is initially expected to take max 10 seconds
runinterval=60 ' function is called with interval of X seconds
runmaxtimes=100 'if function's run time variates, you can limit max number of times function runs
agentschedinterval=5 'agent is scheduled to run every X minutes. From the agent properties.
margininterval=5 'nr of seconds to add to the final round. used for situations when function's execution time is 0.
While runcounter<runmaxtimes And notimeleft=False
If dynadjust=True Then expectedruntime=Int(runend-runstart) 'dynamically adjust expected time to actual time it take to run the function
If uselongestperiod Then
If expectedruntime<Int(runend-runstart) Then expectedruntime=Int(runend-runstart)
If Int((agentschedinterval*60)-Int(Timer-agentstart))<timeleft+(expectedruntime+Int(expectedruntime/100*30)+margininterval) Then 'assumes that function can take 30% longer time to run than the last time
Print "Exit. Function will not manage to finish one more run. Computed time: "+Cstr(Now)+" + "+Cstr((expectedruntime+Int(expectedruntime/100*30)))
If timeleft>0 And notimeleft=False Then
Sleep timeleft 'finished before the expected time. sleep until next execution.
Sleep Int((agentschedinterval*60)-Int(Timer-agentstart))-margininterval 'sleep X seconds-margin
Print "******************* Agent finished *******************"
Print "Triggered "+Cstr(Now)
Here goes your code
Delete demo code below.
Sleep sleeprand 'Simulates time taken by the function's operations by sleeping X seconds
|Kenneth Haggman||Post date: 2007-05-23 15:21|
While I am sure this agent runs more or less as expected, there is the risk that it will 'suck up' system resources while waiting.
At least, I know it did back in R5 when I created a similar agent.
A much better solution is to create a Java add-in task.
It will be scheduled perfectly and (provided your Java code is recycling properly) will use up any memory.
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