In update task option with class methods ??

Hi,
In my case, I have written a BADI and in it's method I will be updating a custom table. In the earlier approach I was updating the custom table in a function module which was invoked in update task as
CALL FUNCTION 'Z_XXX'
IN UPDATE TASK
EXPORTING
Do we have a similar update task concept w.r.t class methods ? So that whatever i have written in the FM I will copy into the method but that code must execute in update task !!
thks

Thanks Krishna, I too thought of the same initially but this looks like too many layers involved...
BTW, I came across a document in SAP help,
http://help.sap.com/saphelp_nw04/helpdata/EN/fa/f23c15330411d5992100508b6b8b11/content.htm
Any idea on this ? Will this be of any help ?
thks

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In update task option with class methods ??

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