Use of repeating request monitor

hi,
i am new to atg.
can any one tell the use of repeating request monitor?
can i know what all are expected to be know from a ATG develope(for a junior)? ( which topics of atg)

can any one tell the use of repeating request monitor?class is atg.commerce.util.RepeatingRequestMonitor
The class RepeatingRequestMonitor is designed for use as a session scoped component. It is used to track request threads that register themselves as executing by name and for a designated time period, to ensure that the same request handler is not executed by two request scoped components concurrently (as happens when a user clicks a submit button multiple times).
Form handlers should use this by calling the RepeatingRequestMonitor.isUniqueRequestEntry() method. The boolean return value indicates whether the handler is free to proceed execution, or whether another request scoped component has recently been executing the same method for this session. The handler may specify a timeout duration for this entry, or use the configurable default timeout. After the critical execution, the handler may remove the request entry or have these otherwise expire after the timeout.
can i know what all are expected to be know from a ATG develope(for a junior)? ( which topics of atg)We can do in ATG "Profile Management", "Browse and Search", Shopping Cart", Checkout and so on..
As a fresher you should know flow upto checkout and you should have deep knowledge in one task like Profile Management.
-RMishra
Edited by: RMishra on Feb 28, 2013 9:05 PM

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