Trigger - synchronized boolean flag with trigger(), check() and listeners on triggering [1022762]

< > BotCompany Repo | #1022762 // Trigger - synchronized boolean flag with trigger(), check() and listeners on triggering

JavaX fragment (include) [tags: use-pretranspiled]

sclass Trigger implements Runnable {
  bool triggered;
  L<Runnable> onTrigger;
  
  *() {}
  *(Runnable onTrigger) { this.onTrigger = ll(onTrigger); }
  
  // for "user"
  synchronized void trigger() {
    synchronized(this) {
      if (triggered) ret;
      triggered = true;
    }
    pcallFAll(onTrigger);
  }
  
  public void run() { trigger(); }
  
  // for "implementer" - check if triggered and clear flag
  synchronized bool check() {
    if (!triggered) false;
    ret true with triggered = false;
  }
}

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Snippet ID:

#1022762

Snippet name:

Trigger - synchronized boolean flag with trigger(), check() and listeners on triggering

Eternal ID of this version:

#1022762/12

Text MD5:

9b247338cc8b3631f1d3f9e0ffe3bb71

Transpilation MD5:

42fcd10b1caf0fd789db351892021946

Author:

stefan

Category:

javax

Type:

JavaX fragment (include)

Public (visible to everyone):

Yes

Archived (hidden from active list):

Created/modified:

2019-04-06 16:22:57

Source code size:

536 bytes / 24 lines

Pitched / IR pitched:

No / No

Views / Downloads:

548 / 1090

Version history:

11 change(s)

Referenced in:

[show references]

1	sclass Trigger implements Runnable {
2	bool triggered;
3	L<Runnable> onTrigger;
4
5	*() {}
6	*(Runnable onTrigger) { this.onTrigger = ll(onTrigger); }
7
8	// for "user"
9	synchronized void trigger() {
10	synchronized(this) {
11	if (triggered) ret;
12	triggered = true;
13	}
14	pcallFAll(onTrigger);
15	}
16
17	public void run() { trigger(); }
18
19	// for "implementer" - check if triggered and clear flag
20	synchronized bool check() {
21	if (!triggered) false;
22	ret true with triggered = false;
23	}
24	}