How-To: Create a Trigger that Executes Every Day
If you want a trigger that always fires at a certain time of day, use CronTrigger or CalendarIntervalTrigger, because these triggers will preserve the firing time across daylight savings time changes.
Using CronTrigger
Create a CronTrigger. that executes every day at 3:00 PM:
trigger = newTrigger()
.withIdentity("trigger3", "group1")
.startNow()
.withSchedule(dailyAtHourAndMinute(15, 0))
// fire every day at 15:00
.build();
Using SimpleTrigger
Create a SimpleTrigger that executes 3:00 PM tomorrow, and then every 24 hours after that.
Note: | Be aware that this type of trigger might not always fire at 3:00 PM, because adding 24 hours on days when daylight savings time shifts can result in an execution time of 2:00 PM or 4:00 PM, depending upon whether the 3:00 PM time was started during DST or standard time. |
trigger = newTrigger()
.withIdentity("trigger3", "group1")
.startAt(tomorrowAt(15, 0, 0) // first fire time 15:00:00 tomorrow
.withSchedule(simpleSchedule()
.withIntervalInHours(24)
// interval is actually set at 24 hours' worth of milliseconds
.repeatForever())
.build();
Using CalendarIntervalTrigger
trigger = newTrigger()
.withIdentity("trigger3", "group1")
.startAt(tomorrowAt(15, 0, 0) // 15:00:00 tomorrow
.withSchedule(calendarIntervalSchedule()
.withIntervalInDays(1))
// interval is set in calendar days
.build();
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