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This graphic is explained in the accompanying text Example: CronEntry  Locate the document in its SAP Library structure

 

The purpose of this example is to demonstrate the various combinations of operators that you can use in the CronEntry fields.

The values of the fields in the following CronEntry have the meaning outlined in the table below:

CronEntry ce = new CronEntry ("2007,2008:*/3:*:6,7:8-10,12-14:*/15,32")

Note

By using this constructor, the CronEntry is executed in the current time zone of the local machine. In this example, the time zone is set to GMT.

Field Values Meaning

Field

Value

Meaning

Year

2007,2008

Run in years 2007 and 2008

Month

*/3

Run every third month of the year, counting from 0, which is months 0, 3, 6, 9, or January, April, July, and October.

Day of Month

*

The value of Day of Week is taken into consideration, because Day of Month is * while Day of Week is specified.

Day of Week

6,7

Run every Friday and Saturday

Hour

8-10,12-14

Run between 8 AM and 10 AM and then between 12 PM and 2 PM

Minute

*/15,32

Run every quarter of an hour and every 32 minutes past the hour within the ranges specified in the Hour field.

 

The snippet below shows the exact execution times of the CronEntry for the first Friday and par of Saturday in 2007.

Iteration     Execution Time

 

1                Fri Jan 05 08:00:00 GMT 2007

2                Fri Jan 05 08:15:00 GMT 2007

3                Fri Jan 05 08:30:00 GMT 2007

4                Fri Jan 05 08:32:00 GMT 2007

5                Fri Jan 05 08:45:00 GMT 2007

6                Fri Jan 05 09:00:00 GMT 2007

7                Fri Jan 05 09:15:00 GMT 2007

8                Fri Jan 05 09:30:00 GMT 2007

9                Fri Jan 05 09:32:00 GMT 2007

10               Fri Jan 05 09:45:00 GMT 2007

11               Fri Jan 05 10:00:00 GMT 2007

12               Fri Jan 05 10:15:00 GMT 2007

13               Fri Jan 05 10:30:00 GMT 2007

14               Fri Jan 05 10:32:00 GMT 2007

15               Fri Jan 05 10:45:00 GMT 2007

16               Fri Jan 05 12:00:00 GMT 2007

17               Fri Jan 05 12:15:00 GMT 2007

18               Fri Jan 05 12:30:00 GMT 2007

19               Fri Jan 05 12:32:00 GMT 2007

20               Fri Jan 05 12:45:00 GMT 2007

21               Fri Jan 05 13:00:00 GMT 2007

22               Fri Jan 05 13:15:00 GMT 2007

23               Fri Jan 05 13:30:00 GMT 2007

24               Fri Jan 05 13:32:00 GMT 2007

25               Fri Jan 05 13:45:00 GMT 2007

26               Fri Jan 05 14:00:00 GMT 2007

27               Fri Jan 05 14:15:00 GMT 2007

28               Fri Jan 05 14:30:00 GMT 2007

29               Fri Jan 05 14:32:00 GMT 2007

30               Fri Jan 05 14:45:00 GMT 2007

31               Sat Jan 06 08:00:00 GMT 2007

32               Sat Jan 06 08:15:00 GMT 2007

33               Sat Jan 06 08:30:00 GMT 2007

34               Sat Jan 06 08:32:00 GMT 2007

…                … 

 

 

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