Task scheduler - Schedule
Tools module
Task scheduler / Select an existing task
Task scheduler menu / Edit schedule
Define the how often the task should be automatically executed.
Rules for automatic execution
Any number of rules with differing schedules can be created here.
Created rules can be selected and activated individually meaning
the task is executed with the corresponding schedule. Create a rule, modify
the settings (such as the time) in the dialog as needed and save the rule either
by switching to another rule or by closing the dialog with "OK".
Add rule
Adds a new rule.
Delete rule
Deletes the rule currently selected.
Time frame
From
Defines the start of the period. The task will be executed
for the first time at the beginning of the next hour after the value entered
in the "From" field.
To
Defines the end of the period.
Time zone
Defines the time zone.
Time
At
With this option, a specific time can be entered when the task should
be executed.
Repeat
With the settings "At the hour(s) / minute(s) / second(s)" you can enter an integer
for a single hour (or minute/second), a list (separated by a comma) or a
period (e.g. 8-10).
By clicking on the

arrow button
to the right of these settings, you can select the option "Every".
This allows you to define an interval in hours, minutes and seconds
relative to the last execution.
Date
During the month(s)
Here, you can enter an integer for a single month,
a list (separated by a comma) or a period (e.g. 8-10) to determine
in which month(s) the task should be executed. Click on "All" if you
want to execute the task throughout the year.
On specific days of the month
Corresponds to the setting "During the month(s)" but for the days.
Click on the

arrow button
to the right of this setting to select other options from the submenu.
Repeat every
Enter the desired number of days between executions.
On specifc days of the week
Define the desired days of the week.
Days before the end of the month
Enter the desired number of days before the end of the month.
Scheduler rule
The scheduler rule can be entered manually here.
Information about the construction of these rules can be found
here.
A detailed description of CronTrigger expressions can be found
here (CronTrigger class).