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%  This file is part of Logtalk <https://logtalk.org/>
%  SPDX-FileCopyrightText: 1998-2026 Paulo Moura <pmoura@logtalk.org>
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:- object(logging,
	implements(monitoring)).

	% watch all "before" and "after" events for bank::transfer/3 messages
	:- initialization(define_events(_, bank, transfer(_,_,_), _, logging)).

	% print logging messages for all transfers

	before(bank, transfer(From, To, Amount), _) :-
		write('Attempting transfer:'), nl,
		write('  From:   '), write(From), nl,
		write('  To:     '), write(To), nl,
		write('  Amount: '), write(Amount), nl.

	after(bank, transfer(_, _, _), _) :-
		write('Transfer successful.'), nl.

:- end_object.