VarWithNotify [1034091]

< > BotCompany Repo | #1034091 // VarWithNotify

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

sclass VarWithNotify<A> extends Var<A> is IVarWithNotify<A> {
  event fireChange;
  
  *() {}
  *(A a) { super(a); }
  
  // clever way (I hope) to do eq() outside of synchronization block
  public void set(A a) {
    A v = get();
    if (eq(v, a)) {
      print ifdef VarWithNotify_debug("VarWithNotify.set no change " + a);
      ret;
    }
    
    print ifdef VarWithNotify_debug("VarWithNotify.set change " + a);
    synchronized {
      this.v = a;
      notifyAll();
    }
    fireChange();
  }
}

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Snippet ID:

#1034091

Snippet name:

VarWithNotify

Eternal ID of this version:

#1034091/12

Text MD5:

046988ea1a2e2c74040126ff9f7256c3

Transpilation MD5:

c210b900b873e3f8050719020cd74b16

Author:

stefan

Category:

javax / gui

Type:

JavaX fragment (include)

Public (visible to everyone):

Yes

Archived (hidden from active list):

Created/modified:

2022-03-08 09:21:00

Source code size:

524 bytes / 22 lines

Pitched / IR pitched:

No / No

Views / Downloads:

495 / 712

Version history:

11 change(s)

Referenced in:

[show references]

1	sclass VarWithNotify<A> extends Var<A> is IVarWithNotify<A> {
2	event fireChange;
3
4	*() {}
5	*(A a) { super(a); }
6
7	// clever way (I hope) to do eq() outside of synchronization block
8	public void set(A a) {
9	A v = get();
10	if (eq(v, a)) {
11	print ifdef VarWithNotify_debug("VarWithNotify.set no change " + a);
12	ret;
13	}
14
15	print ifdef VarWithNotify_debug("VarWithNotify.set change " + a);
16	synchronized {
17	this.v = a;
18	notifyAll();
19	}
20	fireChange();
21	}
22	}