How do I make my while loop fire once a minute?

Question

I have this while loop:

while (now() > timeToday(checkTime).time && now() < timeToday(arrivalTime).time){

I would like for this loop to run only when the real time clock's seconds hits 00 Basically allowing the loop to run once per minute. I am doing this because the IDE I am writing in only allows a 15 second pause maximum. Unfortunately sleep() is not an option at all in the SmartThings IDE

I was thinking something like this

while (now() > timeToday(checkTime).time && 
       now() < timeToday(arrivalTime).time && 
       Date.parse('ss', now() = 00).time){

But I'm fumbling with it.

If there is a better way to do this than the conditional please let me know.

Any reason `Thread.sleep` (or Groovy's default static `sleep`) won't work? — Dave Newton, Jul 18 '14 at 20:02
It's worth noting is running on the SmartThings platform not vanilla groovy. — Jeff Beck, Mar 29 '15 at 04:25

score 2 · Answer 1 · answered Jul 19 '14 at 06:46

For scenarios like "once a minute" , You may take a look at TimerTask which can be easily used in groovy way.

new Timer().schedule({
    // your logic here
} as TimerTask, startTime, 1000)

I would recommend reading the javadoc thoroughly to understand the scheduling contract (correctness of tick).

score 2 · Accepted Answer · answered Jul 21 '14 at 20:42

2

SmartThings finally gave an answer back and said to use their runIn(60, myHandler) logic.

Thanks for everyones input.

answered Jul 21 '14 at 20:42

Brian

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score 1 · Answer 3 · answered Jul 18 '14 at 20:00

1

You could try sleep 60*1000 to sleep for a minute in a loop before iterating over next cycle

while true
{
  sleep 60*1000
  //do your stuff here
  //make sure to include break logic to exit out of the loop
}

answered Jul 18 '14 at 20:00

suman j

6,710
11
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the IDE wont allow `sleep()` either :( – Brian Jul 18 '14 at 20:01
`java.lang.SecurityException: Invoking class script14057093772401260321749.sleep() is not allowed @ line 140` – Brian Jul 18 '14 at 20:04

How do I make my while loop fire once a minute?

3 Answers3