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Watcher: Simplify finding next date in cron schedule #33015

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merged 3 commits into from
Aug 28, 2018
Merged

Watcher: Simplify finding next date in cron schedule #33015

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Watcher: Simplify finding next date in cron schedule
spinscale Aug 21, 2018
5347883
Merge branch 'master' into 1808-simplify-finding-next-cron-value
spinscale Aug 27, 2018
9f87bd6
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spinscale Aug 27, 2018
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21 changes: 8 additions & 13 deletions ...her/src/main/java/org/elasticsearch/xpack/watcher/trigger/schedule/CronnableSchedule.java
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Original file line number Diff line number Diff line change
Expand Up @@ -30,19 +30,14 @@ private CronnableSchedule(Cron... crons) {
@Override
public long nextScheduledTimeAfter(long startTime, long time) {
assert time >= startTime;
long nextTime = Long.MAX_VALUE;
for (Cron cron : crons) {
long nextValidTimeAfter = cron.getNextValidTimeAfter(time);

boolean previousCronExpired = nextTime == -1;
boolean currentCronValid = nextValidTimeAfter > -1;
if (previousCronExpired && currentCronValid) {
nextTime = nextValidTimeAfter;
} else {
nextTime = Math.min(nextTime, nextValidTimeAfter);
}
}
return nextTime;
return Arrays.stream(crons)
.map(cron -> cron.getNextValidTimeAfter(time))
// filter out expired dates before sorting
.filter(nextValidTime -> nextValidTime > -1)
.sorted()
.findFirst()
// no date in the future found, return -1 to the caller
.orElse(-1L);
}

public Cron[] crons() {
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