File: event_registry.lgt

package info (click to toggle)
yap 5.1.1-3
  • links: PTS
  • area: main
  • in suites: lenny
  • size: 16,124 kB
  • ctags: 14,650
  • sloc: ansic: 122,796; perl: 22,545; sh: 3,768; java: 1,277; makefile: 1,191; xml: 739; tcl: 624; lisp: 142; awk: 9
file content (51 lines) | stat: -rw-r--r-- 1,161 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51

:- object(event_registry,
	implements(event_registryp)).


	:- info([
		version is 1.0,
		author is 'Paulo Moura',
		date is 2000/7/24,
		comment is 'Before and after events registry predicates.']).


	monitors(Monitors) :-
		findall(
			Monitor,
			(current_event(before, _, _, _, Monitor),
			 current_event(after, _, _, _, Monitor)),
			List),
		{sort(List, Monitors)}.


	monitored(Objects) :-
		findall(
			Object,
			(current_event(before, Object, _, _, _),
			 current_event(after, Object, _, _, _)),
			List),
		{sort(List, Objects)}.


	monitor(Object, Message, Sender, Monitor) :-
		current_event(before, Object, Message, Sender, Monitor),
		current_event(after, Object, Message, Sender, Monitor).


	set_monitor(Object, Message, Sender, Monitor) :-
		define_events(before, Object, Message, Sender, Monitor),
		define_events(after, Object, Message, Sender, Monitor).


	del_monitors(Object, Message, Sender, Monitor) :-
		abolish_events(before, Object, Message, Sender, Monitor),
		abolish_events(after, Object, Message, Sender, Monitor).


	del_monitors :-
		abolish_events(before, _, _, _, _),
		abolish_events(after, _, _, _, _).


:- end_object.