question: private static void popTransactionStartStamp ( Transaction t ) { Map < Transaction , Timestamp > map = suspendedTxStartStamps . get ( ) ; if ( map . size ( ) > 0 ) { Timestamp stamp = map . remove ( t ) ; if ( stamp != null ) { transactionStartStamp . set ( stamp ) ; } else { Debug . logError ( "Error in transaction handling - no saved start stamp found - using NOW." , module ) ; transactionStartStamp . set ( UtilDateTime . nowTimestamp ( ) ) ; } } }
target:  Remove the stamp of the specified transaction from stack (when resuming) and set it as current start stamp.