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
52
53
54
55
|
// Cleanup functions are passed a flag.
// The flag is set false if nodes have already been freed by CmdPeriod
// This caused a minor change to TempoClock:clear and TempoClock:cmdPeriod
EventStreamCleanup {
var <>functions; // cleanup functions from child streams and parent stream
*new { ^super.new.clear }
clear {
functions = IdentitySet.new;
}
addFunction { |event, function |
if(event.isKindOf(Dictionary)) {
functions.add(function);
event[\addToCleanup] = event[\addToCleanup].add(function);
};
}
addNodeCleanup { |event, function |
if(event.isKindOf(Dictionary)) {
functions.add(function);
event[\addToNodeCleanup] = event[\addToNodeCleanup].add(function);
};
}
update { | event |
if(event.isKindOf(Dictionary)) {
functions.addAll(event[\addToNodeCleanup]);
functions.addAll(event[\addToCleanup]);
functions.removeAll(event[\removeFromCleanup]);
};
^event
}
exit { | event, freeNodes = true |
if(event.isKindOf(Dictionary)) {
this.update(event);
if(functions.notEmpty) {
functions.do(_.value(freeNodes) );
event[\removeFromCleanup] = event[\removeFromCleanup].addAll(functions);
};
this.clear;
};
^event
}
terminate { | freeNodes = true |
functions.do(_.value(freeNodes));
this.clear
}
}
|
